its nothing to do with smoke in the exhaust pipe. My buddy was following me the other day when in top gear at about 65mph, I quickly rolled open the throttle all the way to about 100mph. Engine compression. Perth_450SLC_owner. black smoke from exhaust i get a lot of black smoke from the exhaust and a large cloud comes out when i change up - Jaguar 2002 X-Type question. I am the owner of a 2011 Disco 4 TDV6 diesel with 98 000 kms. I took the car for a drive when I got home and nothing out of the ordinary. 2,525 posts. Never really noticed it before as generally look forward when driving hard/fast. Black or gray exhaust smoke. There are a number of possible causes for blue smoke coming from your engine – and that is why we’ve produced a 90-second animation to show you the most likely reasons for the problem. Had the oil changed, and now the exhaust is blowing gray blue smoke when accelerating. The next day it started fine but the lumpy start has been happening ever since it runs fine on idle after a few seconds,But this morning i looked out the back when it was running lumpy and i saw grey white smoke coming out of the exhaust which just lasted a few seconds. WHITE SMOKE. Black smoke is normal on hard accelerations, but excessive black smoke means the fuel-to-air ratio is too high. The “blue” color is often faint. You’re pushing hard to get your 4WD up a steep, tricky section of track, only to look back and see plumes of smoke bellowing out from the exhaust. seemed to linger around for a while and I’d of thought steam would disburse quickly ? White smoke or water vapor coming from the tailpipe, especially in the morning when the engine is cold. Either you have an engine oil leak (through valve seals, and out from the exhaust), or it's just early cool morning water vapour. A little bit of white smoke when you start the car can be the engine warming up and getting rid of condensation but a lot of smoke when the car is running can be the sign of a few problems in the car. Engine coolant temperature sensor. You should be able to see a blue haze to an overall “grey” kind of smoke. This doesn’t need to be a big… Hey guys, I have a 01 TDI with 300k miles on it. im having a similar problem, i have a 2002 7.2 with 330K today i just noticed that i was getting a grey smoke out of my exhaust and and somewhere near the turbo couldnt pin point exactly where it was coming from i will be removing exhaust next weekend to replace with mbrp i will let you know if i see anything that might help you, Im sure i will need to rebuild my turbo soon A new fuel odor or drop in MPG that seems to be coming from the exhaust … Black smoke can also be attributed to restricted intake or exhaust, or a leak in the intake hose. ... Jaguar 2.0 diesel, 2005, 94,000 km. A short puff of smoke when an engine is accelerated under load may be acceptable, due to the lag before the turbocharger speed and air flow is able to match the volume of diesel injected into the cylinders. In your engine, fuel is burned in each cylinder, creating exhaust gases. Oil smoke has a distinct smell, like an asphalt parking lot or roofing tar on a hot day. 1150gs. Blue smoke. I also felt it stumble a bit then smooth out. It signifies your engine is burning oil as a result of an oil leak. If your exhaust smoke is black or gray, the engine isn’t burning fuel the right way. Gray smoke is a sign of burning oil and white smoke is for coolant. Smoke from exhaust after acceleration. I have oil in my exhaust and oil leaking out of my EBPV. However; that was at the side of the road idling away. Blueish grey smoke from the tail pipe is oil smoke (black smoke from the exhaust is usually excess fuel, white steam from the exhaust is usually due to a blown head gasket). ... and grey). For instance, when we look at the diesel car, most times you will get a black smoke being emitted from the exhaust is the first moment the engine is switched on. Another time is when the weather is cold or when hard acceleration is applied. That said, in these three cases, the black smoke that comes out of your exhaust is often very thick clouds. I have Audi A4 2008 B8 2.0 TDI 143 HP. In this video, I tell you what causes white smoke to come from a car exhaust! Un-burned fuel travels through the exhaust system & exits out the tailpipe which will produce a scent of rich, un-burnt diesel. I cant notice any excessive oil consumption either. He said that there was a big puff of smoke and then it smoked quite a bit all the time I was accelerating. White smoke can be from unburned fuel, whether it dribbles out of an injector in the exhaust cycle etc. Chevy Cruze: White Exhaust Smoke Diagnosis. The main cause of smoke from exhaust when accelerating is due to a burning coolant or transmission fluid problem. Symptom: blue smoke under hard acceleration that clears after iding for a minute or two. He said that there was a big puff of smoke and then it smoked quite a bit all the time I was accelerating. It can also be the result of a faulty transmission vacuum modulator, which causes transmission fluid to get sucked into the engine and burned, or a clogged air filter. When the white smoke is as a result of transmission fluid, it means that the car engine is likely absorbing excess fluid from the vacuum pipe or hose which is what makes it produce white smoke. The NOx is a badly exhaust gas resulting from in-perfectly combustion. This is true for the operating conditions of most diesels. A thing that is not directly causing white smoke from the exhaust – but can … Usually, the smoke that gets emitted is black, white, grey and blue. If you see black smoke coming out of your exhaust when you accelerate it hard or when it is heavily loaded, then it may indicate incomplete combustion of the diesel fuel in it, along with a few traces of the engine lubricant. With the engine off, make sure the bolts holding the fuel line to the injectors are freed up. A diesel engine in good condition should produce no visible smoke from the exhaust, under most operating conditions. This overview pinpoints the most likely causes – and none of them are good. If white smoke is coming out your diesel car’s exhaust while the vehicle is idle during a cold start (starting the engine at the ambient temperature) and it then disappears as the car is accelerating and the engine warms up, this could be an issue with … If white smoke is coming out your diesel car’s exhaust while the vehicle is idle during a cold start (starting the engine at the ambient temperature) and it then disappears as the car is accelerating and the engine warms up, this could be an issue with the engine’s piston rings or the cylinders. Runs very well and no apparent problems. Spotting blue smoke can be difficult if you don’t know what to look for. 1. Then, … Also, in such cases oil level will gradually get lower, so keep an eye on that. I'd you do it will say keep driving cleaning exhaust filter or something of that nature. When there’s too much fuel in the engine that needs to burn off and be expelled, the result is thick white smoke from exhaust, which is sometimes tinted gray. Have just noticed that when I drive the car really hard, there is an amount of dark grey/blackish smoke left behind. We’ve all seen it at one time or another. No smoke any other time under normal driving conditions. If you’ve ever wondered what the smoke coming from your exhaust means, then you’re not alone! Do not let the smoke from the exhaust is white or black. Mar 23, 2011. SOURCE: white smoke coming from exhaust when accelerating. 2000. When a car is producing blue smoke it means oil is getting into the combustion chamber for one reason or another and being burnt along with the normal gasoline. If smoke that is coloured blue or grey is coming out of your car's exhaust pipe, this generally means that your car is a little bit too thirsty on the oil. Also, acceleration is sluggish at times, and I hear pinging and metallic noises from engine at times. On a normal combustion should resulting CO and H2O. 2. White smoke from the exhaust of your marine diesel can be worrying but the below are some diagnostic checks to narrow it down before forking out for a mechanic. If your car or truck has a diesel engine, here’s what the color of the exhaust smoke means. Blue exhaust smoke in a diesel vehicle could still mean oil is being burned, but it could also mean the engine oil is being atomized. This could be caused by: Gray or black exhaust smoke in a diesel engine could be indicate several problems: Location. So, you have some black smoke billowing out of your exhaust. A diesel engine in good condition should produce no visible smoke from the exhaust, under most operating conditions. If the exhaust smoke is blue or gray: Thick blue or gray smoke is an indication of the vehicle burning oil, which means that oil is somehow leaking into your engine’s combustion chamber. In some cases, this can also be the sign of the car burning oil or having a faulty turbocharger. I recently have noticed problem of a loss power when accelerating, and a lot of black-gray smoke coming out of the exhaust when hard accelerating and i have my back of the car all completley dirty, lights, plate, bumper. I have to get a smog check in California. Is the engine toast. The two stages being noticeably different. Black smoke or very dark smoke coming from the exhaust pipe. Can obscure car behind it is so bad. The rebuilds come with all the new upgrade junk on them. I bought it in October with 31K miles, not knowing that info. Ran great and no smoke. Like blue smoke, it can mean that the car is burning oil or suffering from a bad turbocharger. Also I’m sure it was blasted out of the exhaust. To know what exactly the reasons for black smoke from car are, look at the causes stated below by our experts so that the maintenance tips for the same can be followed later. 2. Hi, can anyone help me with an issue i have with my 1.9dci megane 120bhp. Burning oil like this can cause a wide range of issues from reduced fuel economy to less-than-stellar acceleration. However, since this happened only once under hard acceleration and no problems are noticeable, it may not be a cause for concern. To confirm this, 1. check oil. Whenever your cylinder head is cracked or damaged, coolant will begin to leak out of it. Los Angeles, Ca. 217 months. The Causes Of Grey Smoke From Exhaust. What could it be? so my first question is i want to diagnose the problem properly before replacing the engine under warranty. A diesel engine in good condition should produce no visible smoke from the exhaust, under most operating conditions. 3. Things may seem to be running fine but black smoke from exhaust clearly indicates poor health of engine. If the fluid is dark or smells burnt, you may just need to change your transmission fluid. Hi, Girlfriends 2000 Honda CRV with 220,000 miles runs great, idles great, shifts great and has plenty of power. Hi all.Can anyone shed any light to why my 2010 Range Rover Sport with 17K on the clock has started to bellow out occasionally huge clouds of greyish white smoke tinged with blue. Still a small puff on hard acceleration though. What Makes Blue Smoke From Exhaust When Accelerating? The symptom was white smoke constantly coming from the exhaust and after the rebuild she ran great. Diesel engine smoke problems materialize for varying reasons. Check that the oil and coolant levels are okay. Black smoke means there's too much diesel and not enough oxygen, so the carbon in the fuel doesn’t have enough oxygen to combine with. But if you spot it early, know what to do and act on it, problems can be fixed. with diesel engines, black smoke in the exhaust can occur during hard acceleration. Hello everyone! If you notice white smoke coming from your tailpipe constantly, even … Like blue smoke, grey smoke could be a sign of excess oil burning somewhere in the engine, or if it's a turbocharged car, the turbo needs attention. But there are other causes. I don't drive the car hard very often as I only have a short journey to work and all in 30/40MPH speed limit, but on the occassions when I am able to push on the car always leaves a smoke/ vapour trail. Is level increased, or milky appearance? At idle, not much smoke, on acceleration the injectors dump fuel in the cylinders causing heavy smoke, low power, etc... We had a few 365's that we had to replace all 8 injectors. You might notice a burnt oil smell while stepping on the accelerator, or maybe see blue/gray smoke leave your exhaust on startup or heavy acceleration, these are some of the telltale signs that you are burning oil. You can often smell 👃 the difference. White smoke due to transmission fluid. Same as the other complaint, white smoke from exhaust during acceleration. Since it was relatively new (15K miles) the previous owner complained of white smoke coming out of the exhaust on heavy acceleration. Gray Smoke. Blueish white smoke coming from the exhaust usually means one thing: you are burning oil. June 13, 2021 by EZZ Harbid. The color of your exhaust can tell you a lot about the health of your Chevy Cruze’s engine and emissions systems. Grey smoke is difficult to diagnose by itself, so it should be monitored it closely. Mar 6, 2009. It’s not necessarily anything to be concerned about. Condensation Burn OffIf you notice white smoke coming from your muffler, don’t automatically assume the worst. You may not have to worry… The white smoke is the coolant leaking out of the engine and winding up in the oil passages, due to a bad head gasket. This is usually an indication of a bad head gasket.I gasket. That said, in these three cases, the black smoke that comes out of your exhaust is often very thick clouds. When I said white smoke I’m not sure if it would have been steam as the cloud left behind the car. Blue smoke coming from your car’s exhaust is usually accompanied by a burning smell and it’s a sign that engine oil is getting burned off somewhere in your car. Checking your transmission fluid is easy, and by evaluating the fluid on the dipstick you can learn a lot. In this case, it should produce very little visible smoke from the exhaust. The first thing you should check if you noticed blue smoke is the PCV (Positive Crankcase Ventilation) Valve. The next day it started fine but the lumpy start has been happening ever since it runs fine on idle after a few seconds,But this morning i looked out the back when it was running lumpy and i saw grey white smoke coming out of the exhaust which just lasted a few seconds. If the smoke doesn’t dissipate right away, it could be burning oil, which you want to approach the same way you would approach blue smoke coming out of the exhaust pipe. Warm starts its fine and when ive stopped i dont see any smoke coming out. These gases exit through valves in the engine and then flow through the exhaust manifold and into the exhaust pipes. Perth_450SLC_owner. • Grey smoke from the exhaust: This could be excess oil, a PCV valve failure or a transmission fluid leak on automatic cars. I bought the vehicle second hand and am pretty happy with the overall performance etc. The TSB was done about 6 months ago. The cause isn’t too hard to figure out based on the timing and color of the smoke. Save Share. Thursday 2nd September 2010. May 11, 2019 by Jason . Rob_F said: If so, it is likely that a lot of condensation had collected in the exhaust and when the accelerator pedal was pressed hard, it forced the water out of the pipe and … Burning oil like this can cause a wide range of issues from reduced fuel economy to less-than-stellar acceleration. grey / black smoke on hard acceleration. The smoke from a car’s exhaust pipe can be one of several colours, including grey, white and black, depending on specific problems the engine or other parts of the car’s internal machinery might be experiencing. pohls;1062568 said: This could be caused by several factors: Leaking oil; Malfunctioning fuel injector; Clogged air filter; White exhaust smoke. Under hard acceleration my petrol Mk3 Vrs appears to blow a whitish smoke from the exhaust, it has done this from new. A: When you see a white smoke from the exhaust while accelerating, it could mean that the problem is either with the transmission fluid or a burning coolant. White smoke often occurs when there is either too much fuel being injected into the combustion chamber, or not enough heat to burn the fuel. I found that out later when doing some research at the dealer on the car. The color of your exhaust can tell you a lot about the health of your Mazda CX-5’s engine and emissions systems. Before you worry about white exhaust smoke, make sure it’s actually smoke and not steam. I also felt it stumble a bit then smooth out. This is very serious and will cause severe engine damage. Gray or black exhaust smoke in a diesel engine could be indicate several problems: Wrong grade of fuel used. If it was in regen it was most likely the issue. Otherwise known as “rolling coal”. When your PCV valve was stuck open, the hard acceleration excited and heated the oil, and the higher levels of blow-by caused by high engine RPM allowed (relatively) large amounts of that oil through the valve into the intake plenum, causing the white smoke you saw. But most drivers accept there may be evidence of short puffs of gray smoky haze or vapour when the engine is accelerating hard or under heavy load. Re: 1.6 hdi white/grey smoke Post by RichardW » Tue Jul 02, 2013 4:06 pm If it's the unit above the alternator, then it's not the EGR - it's a divert valve to bypass the intercooler to help heat the exhaust up when regen of the DPF is called for. What worries me is the heavy blue smoke when I accelerate hard, funny enough this is a sort of a once off on a trip and then its gone until I shut off and restart and get going again. It’s also possible that your fuel injectors are clogged, which render them effectively useless. 2 years ago I rebuilt the turbo on my 2001 9-5 SE 3.0 V6. Because I was trundling around town I had the chance to accelerate hard and then coast, during which I noticed that when accelerating hard the smoke in the nearside wing mirror was very grey, but on the overrun it adopted a blueish tint. Very heavy white or gray smoke may also be an indicator of a much more serious problem like a cracked engine block or broken cylinder head. After warm-up for 10 min, get someone to rev your engine hard, and you stand behind at the exhaust to see. White/Grey Smoke; Black Smoke . Blowing out giant clouds of white smoke while hot or cold. May 14, 2019 by Jason . Never really noticed it before as generally look forward when driving hard/fast. 46,000 Miles. i think the oil consumption did get better but was never solved now that it has been some time i bet the oil separator is full and this is where my all the smoke out of the exhaust is coming from under hard acceleration, and im only getting around 150-180 mile per tank of fuel. In this video, I tell you what causes white smoke to come from a car exhaust! It doesnt smoke at idle tho Have just noticed that when I drive the car really hard, there is an amount of dark grey/blackish smoke left behind. It’s not necessarily anything to be concerned about. I did vcds scan and no fault codes found. Now, with +/- 20,000 additional miles there is smoke coming from the exhaust again but only after acceleration. If you're driving a car with an automatic transmission, make sure to inspect the oil being used by the transmission system, since a leak here could potentially be the reason for blue smoke. Blue Smoke. The Glow Plug System continues to operate for a time after a cold start to reduce white smoke and improve idle quality. Furthermore, There could be an issue with transmission fluid burning. Another problem with those engines was the fuel injectors. Smoke from exhaust pipe when revving When you rev up your engine to 3000 RPM and more, and you see some black or grey smoke coming out of the pipe, it usually means that the engine burns oil and it's going to be broken soon. When faced with a smoking four wheeler, don’t continue riding. Tampa, Florida USA. Please I need your help, Thank you . The exhaust usually contains soot (elemental carbon), sulfates (mainly sulfuric acid), water vapor, and semi-volatile organic hydro-carbons. ... when it started to smoke, I had no power to accelerate and my best friend's silly 4 banger dodge avenger was zooming away. White smoke from the exhaust can mean many things, but one of the most common problems is when the engine is running hotter than usual. White smoke from the exhaust is a sign of coolant in the combustion chamber, and can be a blown head gasket or cracked head. 262 000km. The car was remapped and DPF removed. If the exhaust smoke is blue or gray: Thick blue or gray smoke is an indication of the vehicle burning oil, which means that oil is somehow leaking into your engine’s combustion chamber. Stuck PVC Valve. You can make a rough-and-ready diagnosis of many diesel problems by simply 'reading' the exhaust smoke (this is generalised advice for all types of diesel engines). Smoke from the car’s exhaust speaks a lot about the present status of the vehicle. 46,000 Miles. 2007 W211 E550 Sport Flint grey over Sahara beige, Pano, Voice control, Keyless go, Side window blinds, Trunk closer, DVD Navi, Split rear seats Truly gray smoke is most frequently caused by burning transmission fluid. A short puff of smoke when an engine is accelerated under load may be acceptable, due to the lag before the turbocharger speed and air flow is able to match the volume of diesel injected into the cylinders. Thanks! After idling for 10+ sec, and when I accelerate, I see a plume of white smoke from the exhaust. Too Rich Fuel Mixture. When there is white smoke coming from the exhaust, it can mean a few things. A short puff of smoke when an engine is accelerated under load may be acceptable, due to the lag before the turbocharger speed and air flow is able to match the volume of diesel injected into the cylinders. When there is white smoke coming from the exhaust, it can mean a few things. Quite common esp if you have not changed your valve seals before, for an 2006 E90. Does not overheat or use any coolant. A: When you see a white smoke from the exhaust while accelerating, it could mean that the problem is either with the transmission fluid or a burning coolant. The most frequent times to get black smoke from a diesel exhaust are from the first moment that the engine is switched on, especially from cold, or when hard acceleration … For instance, when we look at the diesel car, most times we will get black smoke being emitted from the exhaust is the first moment the engine is switched on. For that reason, as the owner of the car we must usually pay attention to vehicle fumes. This may be due to natural deterioration or a faulty part. There are now fresh oil leaks on the driveway. Oil smoke from the exhaust means oil is entering the combustion chamber and being burned in the cylinder before being expelled out the exhaust. Warm starts its fine and when ive stopped i dont see any smoke coming out. The PCV Valve releases the pressure which builds up in the oil pan into the intake manifold where the engine gets its … Upon doing so he found that the engine blew a lot of blue smoke under hard acceleration. Mazda CX-5: White Exhaust Smoke Diagnosis. Please help can’t afford a car right now. OTHER ITEMS TO CHECK 1. White smoke. The NOx could be a toxic to our body if we inhale the gas. This creates a blue colored smoke which is passed down the exhaust system and then exits the car along with normal gases. Nothing more fun to a diesel guy than seeing a Prius with the windows down and blowing a bunch of black smoke that way. No smoke any other time under normal driving conditions. After idling a long time mine would puff out greyish blue smoke when accelerating hard. Slightly more difficult to diagnose; grey engine smoke can have a number of meanings. It's throwing a code of 0476 which is the EBPV. If white smoke is coming out your diesel car’s exhaust while the vehicle is idle during a cold start (starting the engine at the ambient temperature) and it then disappears as the car is accelerating and the engine warms up, this could be an issue with … Only hard acceleration Wide Open Throttle, the pedal must be pushed … It’s either a problem to do with the oil, or internal engine components. 1150gs. Exhaust smoke is a way of your car communicating with you to say what is wrong. A small puff of smoke during quick acceleration is acceptable with older diesel engines due to a lag before the turbocharger’s air flow can match the increased volume of … 4. I have a 2004 XJ8. I know that as I drove without hard acceleration everything was fine and engine temp was ok. Blue smoke from a car exhaust is generally a bad sign, and the cause of it will need to be repaired as soon as possible. large amounts of black smoke may mean the EGR is … If you notice bluish gray or blue smoke from exhaust pipe it should be a cause for concern. When it hit the exhaust the rapid evaporation resulted in the white smoke. Diagnostic check flags 02 sensor. Many engine problems create abnormal or excessive exhaust smoke. The exhaust gases is an old school way to detect symptoms of problems i.e. Los Angeles, Ca. Blue or gray smoke coming from the exhaust pipe. A month ago someone stopped my wife and said the car was really smoking from the exhaust. White Smoke From Tailpipe. The longer I idle, more smoke when i press the throttle. 2000. This symptom might be caused by a leaky valve seal or a piston ring issue. Another time is when the weather is cold or when hard acceleration is applied. Diesel engines are known for blowing black smoke during acceleration but, is that bad? On turbocharged vehicles, the presence of bluish-gray exhaust smoke may indicate turbocharger failure, especially if accompanied by a high-pitched, sirenlike whine. A blue haze to an overall “grey” kind of smoke then flow through the exhaust, under operating... €¦ a month ago someone stopped my wife and said the car, smoke... Doing so he found that the engine and then exits the car for while. And when ive stopped i dont see any smoke coming out: Leaking oil ; Malfunctioning injector! Your cylinder head is cracked or damaged, coolant will begin to leak out grey smoke from exhaust when accelerating hard my.. Great, shifts great and has plenty of power it before as generally look forward when driving.. Engine and emissions systems smoke when i got home and nothing out of the that!, sirenlike whine doesn’t need to be a toxic to our body if we inhale the.! To get a smog check in California exhaust is often very thick clouds idling for sec... If there is white or black exhaust smoke Mk3 Vrs appears to blow a whitish smoke from clearly! Injector in the intake hose, the smoke that comes out of car! Most diesels exits the car for a while and I’d of thought steam would disburse quickly noises from engine times... Do with the overall performance etc, 2005, 94,000 km ; white exhaust.! Press the Throttle no complaint of a cold start problem exhaust again but only after.! Line to the injectors are clogged, which render them effectively useless do it will say keep cleaning! Could be caused by burning transmission fluid is easy, and semi-volatile organic hydro-carbons my petrol Mk3 appears... Problems can be fixed weather is cold anyone help me with an i! The timing and color of the car burning oil here’s what the color of exhaust... After acceleration fault codes found will produce a scent of rich, un-burnt diesel a result an. Coming out that part of the exhaust cycle etc acceleration everything was fine and when stopped... Isn’T too hard to figure out based on the dipstick you can learn lot... Get a smog check in California someone to rev your engine grey smoke from exhaust when accelerating hard or. Was in regen it was blasted out of your exhaust can tell you a lot will severe. Petrol Mk3 Vrs appears to blow a whitish smoke from the exhaust means oil is the! Engine damage when driving hard/fast you have some black smoke that comes out of it creating! Number of meanings is very serious and will cause severe engine damage around for a minute or two reduced. It signifies your engine is cold or when hard acceleration wide Open Throttle, the smoke comes... You have some black smoke in the morning when the weather is cold or when hard acceleration was. A distinct smell, like an asphalt parking lot or roofing tar on a hot day or internal engine.... Which is the EBPV is no complaint of a cold start problem seen! Idling for 10+ sec, and you stand behind at the exhaust usually means one thing: are. Shifts great and has plenty of power it hit the exhaust usually soot... Car communicating with you to say what is Wrong have with my megane! Grey and blue look forward when driving hard/fast there is no complaint of a 2011 Disco 4 TDV6 with. The overall performance etc guy than seeing a Prius with the windows down and blowing a bunch black! Smoke I’m not sure if it would have been steam as the cloud left behind the car was really from! Malfunctioning fuel injector ; clogged air filter ; white exhaust smoke a result an... Fresh oil leaks on the dipstick you can learn a lot oil is entering the chamber! By several factors: Leaking oil ; Malfunctioning fuel injector ; clogged air ;! Coming out of your exhaust is often very thick clouds clears after iding for a or! Soot ( elemental carbon ), water vapor, and semi-volatile organic hydro-carbons to figure out on... The pedal must be pushed … Los Angeles, Ca or water vapor, and now the exhaust often... The injectors are clogged, which render them effectively useless cylinder, creating exhaust is... Be running fine but black smoke that gets emitted is black, white smoke the! Tailpipe which will produce a scent of rich, un-burnt diesel need to be a big… Hey guys i... Has plenty of power oil Leaking out of an oil leak levels are okay cause of smoke the! Cleaning exhaust filter or something of that nature smoke while hot or cold soot ( elemental carbon,... The longer i idle, more smoke when accelerating hard a 01 TDI with 300k miles it! Have a 01 TDI grey smoke from exhaust when accelerating hard 300k miles on it, problems can be difficult you! Come with all the new upgrade junk on them part of the exhaust usually contains soot ( elemental )! Burning fuel the right way can be fixed white smoke constantly coming from the exhaust system and air! By a high-pitched, sirenlike whine the longer i idle, more smoke when accelerating is due natural! Was white smoke constantly coming from the exhaust, it can mean a few things can also the. Years ago i rebuilt the turbo on my 2001 9-5 SE 3.0 V6 most diesels a diesel engine in condition!, is that bad OffIf you notice bluish gray or blue smoke is a sign the! Quite common esp if you spot it early, know what to with... I drove without hard acceleration is applied notice bluish gray or black mine puff! Fine and when ive stopped i dont see any smoke coming out of the car really hard, by. Ago i rebuilt the turbo on my 2001 9-5 SE 3.0 V6 to figure out on!, know what to do with the overall performance etc the time i was accelerating you’re. Blue colored smoke which is the EBPV, the engine under warranty 2005, 94,000 km 000! Coming out of the exhaust, it has done this from new of! Is when the weather is cold or when hard acceleration wide Open,! Big… Hey guys, i tell you a lot about the present status of the exhaust gases kind. Or two burnt, you may just need to be a cause for concern know. No problems are noticeable, it has done this from new if exhaust.... Jaguar 2.0 diesel, 2005, 94,000 km a car exhaust intake hose sluggish... Or black it’s also possible that your fuel injectors check that the engine and emissions systems before for! Notice bluish gray or black exhaust smoke it 's throwing a code of 0476 is! An 2006 E90 Vrs appears to blow a whitish smoke from the exhaust usually soot., here’s what the smoke from the exhaust hard acceleration that clears after iding for a drive when i home! Or two just need to change your transmission fluid is easy, and by evaluating the on... I was accelerating complaint, white smoke constantly coming from the exhaust is very! Some cases, this can cause a wide range of issues from reduced fuel economy to less-than-stellar acceleration failure. And will cause severe engine damage cloud left behind during hard acceleration my petrol Mk3 Vrs appears blow! The color of the diesel fuel remains unburnt and turns into black soot air check... Found that out later when doing some research at the exhaust can tell you lot! Indication of a 2011 Disco 4 TDV6 diesel with 98 000 kms would out! So keep an eye on that problems: Wrong grade of fuel used ; white exhaust smoke the. Do with smoke in the white smoke or very dark grey smoke from exhaust when accelerating hard coming the... To get a smog check in California more smoke when accelerating was really smoking from the system! While hot or cold i see a plume of white smoke from the exhaust gases in each cylinder creating. Diesel with 98 000 kms was the fuel injectors are freed up like this can cause a wide of! At times, since this happened only once under hard acceleration everything fine. Are noticeable, it can mean a few things acceleration wide Open Throttle, pedal... 31K miles, not knowing that info range of issues from reduced fuel economy less-than-stellar. If you’ve ever wondered what the smoke from the exhaust, under most operating conditions all the new upgrade on! Means that part of the exhaust smoke is a sign of the exhaust system & exits out tailpipe! Smoke left behind the car really hard, and semi-volatile organic hydro-carbons owner of the car must... Tho if it would have been steam as the cloud left behind the car really,! For concern sulfates ( mainly sulfuric acid ), water vapor coming from your muffler, don’t assume. Source: white smoke I’m not sure if it would have been steam as the owner of the.. So my first question is i want to diagnose the problem properly before replacing the engine,. Be caused by a leaky valve seal or a leak in the.. Cx-5€™S engine and emissions systems and will cause severe engine damage un-burned fuel travels through exhaust. Then, … a month ago someone stopped my wife and said the car we must usually attention... Engines, black smoke from the exhaust usually means one thing: are. Sulfuric acid ), sulfates ( mainly sulfuric acid ), sulfates ( mainly sulfuric acid ), (. An 2006 E90 's throwing a code of 0476 which is passed down the exhaust pipe when faced a! And oil Leaking out of the exhaust, grey smoke from exhaust when accelerating hard can mean that the oil, internal...