Pajero Black Smoke When Accelerating

1988 B250 poor acceleration/Black smoke. Get The Engine Rings Checked And Replaced If Damaged. You may have to register before you can post: click the register link above to proceed. I don't see smoke from the exhaust below 2000 rpm or if i accelerate gently. Hi Mate I had the same problem with mine ,around two thousand revs, i would accelerate and there would be a cloud of black smoke ,I booked it into a volvo specialist and they said it was the intercooler i have just got it back today and it has cured the problem there is no smoke all,. I love the bike but I've noticed from the start that it blows black smoke under acceleration. If there is more than a touch of oil in the pipe your looking at a 1500 quid bill. 6 smoke on acceleration/high load & oil dip. 2) Black smoke on acceleration and reversing not a cloud but enough to notice. Pajero GLS models feature Mitsubishi’s Dusk Sensing Headlamps automatically illuminate in fading light or when travelling through a tunnel, allowing you to keep your hands on the wheel and your focus on the road ahead. Black smoke is fuel that isn't fully burnt. When driving i have put my foot down for acceleration and the smoke is so bad that cars behind me slow down or change lanes to try and get away from the black smoke. This smoke is usually clearly visible on a light background and is the soot particles - products of incomplete combustion. 0 motor in my car that had been sitting out of a car for a while, it runs good and has good power but when I floor it I get black smoke from the exhaust. But diesels are also known for their idle clatter, black smoke and cold-weather starting woes. Is the management light on? If so get it read. If I accelerate gently there is no smoke. I have an 8 year old D Max that has only done 110,000 klms, but when I have to occasionally give it the gun I see a big cloud of black smoke in my rear vision mirror. So a big puff of black smoke on a high rpm 1-2 shift or just a bit of a cloud out the back when pushing hard is normal. maybe have some one rev your truck and see if you can smell extra fuel, oil, ect. It takes some time for the engine system to develop enough revolutions (RPM) and power to burn the fuel. it say 5w20 but i added 10w30 (this was last night) I got in my car today and it struggled to start. Why should I clean the engine?. I get the black smoke on both soft and hard acceleration. Turbo is ok no noose or play in shaft has any one got any ideas. When i accelerate hard in any gear i get a hell of alot of smoke out of the exhaust and its that bad it blinds the driver who's behind me (its not just a small amount it continually plumes out until i stop accelerating) Its been happening for quite a while now and i wonder if something is wrong, as i know diesel cars do emit black smoke but. Why would my diesel 2003 Dodge Ram 2500 start blowing black smoke 3 Answers. Black smoke can be seen coming out of my exhaust when I accelerate. Black smoke is an indication that your air-fuel mixture is running rich. Diesels shouldn't throw out loads of black smoke. The black smoke may show there is a return fuel line which is obstructed. This type of inconsistent fuel supply to the motor may cause a hesitation, loss of power, a jerking reaction, potentially a bit of black exhaust smoke and typically a strong smell of fuel when this sensor is malfunctioning. A common misconception is that the presence of gray or black smoke indicates a powerful engine. Car in garage when not in use. The smoke is so bad I cannot tell what kind of car is beside me. Only under load. I uninstalled Acceleration, and the black textures went away, so I was left with white squares, which was a significantly better, but still really annoying. we specialize in lower mileage inventory at fair pricing and have numerous financing options available. I have a pajero 2. still getting smoke. I would recommend to check your spark plug for color. I have a Pajero Io which smoke when i m trying to accelerate. The Vehicle Is Up For Sale But I Don't Want To Buy A Lemon. Or is this a air leakage or combustion poblem. However, when I rev it when stationary there is no smoke at all. You may have a clogged air filter. Black or White Smoke from Diesel Engine. This type of inconsistent fuel supply to the motor may cause a hesitation, loss of power, a jerking reaction, potentially a bit of black exhaust smoke and typically a strong smell of fuel when this sensor is malfunctioning. It's a daily driver new rebuilt engine installed by myself. I have found some similar thread to my problem but I think mine may be slightly different or I didnt quite find my answer in the other threads. 8 1999 another one, lol, BUT this one has an acceleration issue. There can be many causes for this as mentioned, fuel quality, contaminants, computer irregularities and the injectors themselves. I think i might try Teraclean first and see how it reacts to it. Most of the time Diesel engines produce black smoke because of pollution. Audi A3 Sportback - Black smoke on acceleration. I may well be corrected later but as far as I understand it you get black smoke when the engine is overfuelled - which it is very briefly as you floor the throttle. Hi guys, Im worried about the black smoke coming out the exhaust and my real mpg is 38mpg but reader says 47/48. I can rev it high and it's fine, but as soon as I lift the boom or perform any function with the controls it pours black smoke. Hi everyone , i was hoping that someone could give me some ideas for possible repairs. I have removed and blanked the egr valve and I have used an injector treatment, this has made no difference. Re: Freelander 2: black smoke when accelerating Fixed this issue on two occasions, first was an air hose which wasn't attached by the mechanic and "blew off", second was the same mechanic forgetting to plug the fuel temperature sensor back in after a service. 03 dodge ram 5. pajero turbo diesel,2. 05 S40 blowing out black smoke under acceleration. 5 did has no diesel particulate filter on the exhaust. I have fitted new fuel and air filter put wynns in the tank and removed and cleaned EGR valve. The Cause of Black Smoke in Diesel Vehicles Even if you don’t own a diesel truck or car, we’ve all seen the black smoke pouring out of someone’s exhaust pipe. The level of white smoke will taper off as the engine smoothes out and all 8 cylinders begin firing normally. It only comes out now when the RPM hits 3,500 (minimal black smoke). The vehicle has always felt fairly spritely, though other people say it is normal !. 8 Mitsubishi Pajero Diesel blowing out black smoke. Also probably a new PCV valve if it's blocked. 0 second explosion and black smoke on stock footage at 29. If the turbo stops, you will have tons of black smoke, and your car will limp or stop functioning. Black or White Smoke from Diesel Engine. My mini has BBR 220 and 7200 rev limit. Blue Smoke vs. If pressure builds up in the Oil Pan, the PCV Valve allows this pressure to release. What Goes Wrong? A correct fuel and air ratio must be maintained for optimum performance, economy and emission requirements. This video shows you hot to fit a blanking plate over the EGR valve to stop black smoke blowing out the exhaust when you accelerate. Mostly it's just a build-up of soot in the catalyst. It's been fine for 6 months or so, but now im getting quite a bit of black smoke from the back when accelerating hard through the gears. 9tid smoke with remap, vectra 19 tdi black smoke in heavy acceleration , z19dt smokes under acceleration then clears , vevtra cdti smokey. I have removed and blanked the egr valve and I have used an injector treatment, this has made no difference. Hi everyone I have a 2006 Honda CRV 2. Works great, but recently the Jeep has been sending out excessive black smoke on acceleration. Black smoke is unburned Diesel fuel. 7L TBI 1/2 ton RWD Okay to keep it short and sweet, when I accelerate from a dead stop my truck will give off a puff of blue smoke, sometimes hardly noticeable and other times almost choking out the car behind me. 9 cdti smoky under heavy acceleration, saab 1. Engine specs in my sig, I have no leaks. o liter tdi with around 170,000 miles. I have checked timing manually and with V-C, warm engine i got: start of injection ~(0) and synchro. wonder if anyone can help. 5ltr,4d56 engine,knocking sound pajero turbo diesel,2. 0 TDI SE BRD engine code. g mafs, intake, exhaust, etc. If I apply more than (say) 75 % throttle, there is black smoke. pajero diesel,2. It could be just putting in too much gas, when you accelerate. Common when accelerating as extra fuel is injected. 2) Black smoke on acceleration and reversing not a cloud but enough to notice. No matter what color smoke you see, there’s bad news. as i rev it TONS of black smoke comes out and my exhaust smells like gas. If the throttle is held steady, this smoke gradually diminishes as the vehicle speed / revs rise. My current MPG average is 15. Recently, i noticed when i push on the gas, black smoke comes out of my exhaust pipe, it doesnt come out while driving, just when i push on the gas. Excessive Black Smoke on Acceleration Discussion in '6. My car isn't running bad at all, it chugs often while idling and when I accelerate sometimes puffs of black smoke come from the exhaust ? could the black smoke be due to the faulty MAF sensor?. Blue smoke is oil and could mean worn rings, or leaking past valve guides. I just bought a 1998 Pajero 2. Just a whiff at first but more when changing down or accelerating hard. When you accelerate slowly it's feels ok. The first 23-25K miles I averaged 17. Looks very nice and sporty and has done 74k miles. Yesterday i checked the oil and there wasnt any in there! is has been burning oil like crazy for a while now. I bought my '05 f350 last Oct and it didn't smoke at all. For the first time I followed my car while it was being driven by the Misses. Popping noise under the hood and when it does that there is a puff of black smoke out the tail pipe. Havr had my transit for just over a month now, ever since ive had it ive had black smoke when accelerating, its not a huge ammount, but defernatly noticable when looking in mirror, it also not a tiny ammount. pajero diesel,2. The content of white smoke is finely atomized raw fuel and water vapor. Diesel Smoke tells YOU a Story. The level of white smoke will taper off as the engine smoothes out and all 8 cylinders begin firing normally. Is the management light on? If so get it read. its blowing black smoke that stains asphalt and when i try to accelerate its spits and sputters (like the intercooler hose blew off) it is an intermittant problem and a real bugger to track down. 9tdi BKC 2005my mileage 88K Me again, seem to be having one problem after another. First of all i have a 03 mazda 6 with 115,000 miles on it. The Scout Bobber is all stripped down styling and in-your-face power. I have a 2001 Alpine Coach, ISC 350 8. It started again after about a 30 minute wait. i chance oil from 15 40 to 20 50 to reduce consumption but the problem remain. You may have too much oil in your cylinders because either your valve seals are leaking, your head gasket is blown and letting oil into the engine, or your piston rings are shot. The guys that I ride with told me that when we were riding on the slab that accelerating hard at around 75 and 80 mph my bike would puff out some black smoke for a few seconds. I really noticed it last night when the car behind me's headlights illuminated the smoke cloud. If I gently accelerate there is a small amount of smoke and if I accelerate hard there's quite abitnot a big thick cloud of smoke but enough that I can see it in my mirrors. Black or White Smoke from Diesel Engine. Could also cause a misfire effect as would alter air fuel set up. Black smoke on hard acceleration/revs XC70 D5 Diesel I bought this car back in Nov 2011, and have remapped it with superchips and added a powerflow exhaust system. the master cylinder serves as the main valve that pushes brake fluid through the brake line so that the brake. The dealer told him that there was a problem with the EGR valve and the manifolds would need to be replaced. How to repair engine hesitate & black smoke on acceleration Engine hesitate and black smoke on. The car now drives perfectly. i chance oil from 15 40 to 20 50 to reduce consumption but the problem remain. It uses around town 13 litres per 100km and 9-10km per 100 litres on the freeway. any suggestions?. I think i might try Teraclean first and see how it reacts to it. White, blue, black smoke? Overheating? Head, Head gasket, radiator leaks? Rack n Pinion problems? Power Steering leak? For Automatic Transmission: Reverse, Delay, Hard shifting, Sliding, Shudder problems, Transmission gear indicator that is blinking is also a selonoid problem?. 9 gasser blows black smoke under heavy acceleration? Discussion in ' Engine & Performance ' started by mcCraw , May 16, 2011. Hi all new to the forum here and looking for info on an A25C. I have found some similar thread to my problem but I think mine may be slightly different or I didnt quite find my answer in the other threads. 2) Black smoke on acceleration and reversing not a cloud but enough to notice. and it's still smoking. Hi all, I have a 2008 vectra 1. Black smoke out of exhaust on acceleration I have a '13 2. The Vehicle Is Up For Sale But I Don't Want To Buy A Lemon. White smoke is the issue when your car releases white smoke from exhaust pipe. If not buring a lot of oil, not much to worry about. While white and black smoke are related to fuel problems, blue exhaust is a sure sign that your engine is burning excessive oil. Blue smoke is oil and could mean worn rings, or leaking past valve guides. black smoke is running rich and an emission issue typically related to an o2 sensor or a cat puffs of black soot on WOT are generally just carbon being expelled. Also, my car just pass the TX emission test last Saturday if that matters. Surely Mitsubishi cannot accept this type of smoking. If there is more than a touch of oil in the pipe your looking at a 1500 quid bill. I have fitted new fuel and air filter put wynns in the tank and removed and cleaned EGR valve. The car is 1. If your fleet has three or more trucks, you are eligible for a special fleet discount. My Caprice and my C1500 both did it. Hi guys, my 2001 e320 cdi has done 150k miles and has now started smoking badly under acceleration. Just have just bought this car. and as i was driving it drove rough and a big loss in power. You might be able to do a valve seal job with rope or air but a thicker oil should slow down the consumption a bit. > This thing will be bit difficult to understand ,if u know the working of diesel engine partly:- * Diesel engine do not have throttle valves ,and operates always at Lean mixture (More air ,than required to completely combust the fuel ) Black smo. So, I uninstalled everything, and re-installed FS9, which has never caused me any problems. Smoking Hdi When When Accelerating - posted in Technical Section For MK1 & MK2: Hi I bought an 02 HDI with about 70k on the clock. Black smoke is high in carbon or soot, which is an undesirable product of diesel combustion. Hi new to this forum hello everyone , i searched the topic didn't find a real answer so here we go 2002 6. it produces a fairly large cloud of black smoke. 0T with 500 miles on it and my friend noticed black smoke coming out the back of my car when i accelerated switching lanes. This only happens with hard accelerating. I currently have an oil leak that's getting fixed this coming weekend, and I'm having the timing belt replaced then as well, but I thought I'd try and get a handle on what this new problem was. Blue smoke is oil, which would show poor engine condition, or leaking turbo seals. Turbo spins up using air flow - if your put your foot down, more fuel is injected, but turbo isn't at speed so can't push in enough air to burn all the fuel - so black smoke out the back. The engine runs okay with no engine check light on. But for those who don't intend to smoke out everyone behind them, there's quite a few things to check. Common rail engine so fuel metering is via ECU. But if the engine continues to produce black smoke, the engine is getting too much fuel. A common symptom of failing SCV is stalling on occasion when stopping at lights or pronounced engine rattle when coming back to idle. So the fuel tank was drained and the filter at the bottom of the tank was replaced. 2018 indian motorcycle scout bobber abs thunder black smoke, sin city indian motorcycle has an amazing selection of pre-owned motorcycles that go through a rigorous certification process to get ready for their new homes. Black smoke If it's just a burst of smoke that then clears, then there shouldn't be a serious problem - but it's probably worth mentioning it to your service advisor at your next service. By this time I was also experiencing occasional loss of power and increasing black exhaust smoke. Not sure if mx5 have a cold start switch but will have a cold mode till it reaches temps which will be the running rich part. It doesn't take much oil burning to make smoke. It smokes black when i shift gears and get back on the throttle and any time it has to pull a little. It has 130000 miles. Starts perfect, and then after a minute when accelerating i get hesitation on the throttle and black smoke, then it would slowly pick up speed. Since approx, 2 months ago I noticed Black smoke from tail pipe. Took the unit back to Ford today. Re: Pajero 3. While white and black smoke are related to fuel problems, blue exhaust is a sure sign that your engine is burning excessive oil. 9tdi 142hp made on over 250hp, bora 150hp, my friends have transit 2. Now (lol) when you accelerate the hooter goes off, when you brake the hooter goes off and sometime when you just stick in the key the hooter goes off. So Whenever I accelerate whilst moving off or kick down i see a trail of thick black smog behind me with the ML seemingly lacking power and slow to accelerate at times. Hello everyone! My 2006 d4d hilux dual cab is blowing black smoke mostly under acceleration ,I have been to 2 seperate diesel techs and both have put the scan tool on and checked the injector values no1 0. Now I notice a lot of black smoke coming out of my exhaust when I let off the gas pedal (I did not blow black smoke before the rebuild). Over fueling wil justl lead to premature engine failure. You should see mine with no catalytic converters and a 4" exhaust. Works great, but recently the Jeep has been sending out excessive black smoke on acceleration. Cape, Lesotho, etc & am reasonably happy with it. Common when accelerating as extra fuel is injected. Black smoke If it's just a burst of smoke that then clears, then there shouldn't be a serious problem - but it's probably worth mentioning it to your service advisor at your next service. Seems to lack po. 2018 Indian Motorcycle® Scout® Bobber ABS Thunder Black Smoke Strip it down. Blue smoke, means oil is burning, and oil is getting into the combustion chamber. Recently, i noticed when i push on the gas, black smoke comes out of my exhaust pipe, it doesnt come out while driving, just when i push on the gas. its blowing black smoke that stains asphalt and when i try to accelerate its spits and sputters (like the intercooler hose blew off) it is an intermittant problem and a real bugger to track down. :D Black smoke comes out of the exhaust. It did stop some of the smoke but I still have hesitation when accelerating and then all of the sudden the hesitation is gone with a puff of black smoke. black smoke on acceleration As above clouds of black smoke when turbo kicks in, I had reconned turbo fitted not long ago because the other one was whistling very loud, since I have had it back (about six weeks now ) I have noticed the smoke, there is bags of power but I find myself allways looking in the mirror and driving like a nun, hope. Most diesel cars (if not all) emit a small amount of black exhaust smoke while accelerating. Our Td6 has recently started to leave quite a cloud of black/dark grey smoke when accelerating hard, particularly when going up hills, or towing. Blue Smoke on Acceleration was created by Anonymous User101 1994 GMC Sierra 5. I'm new to the forum and I've been looking for some information on black smoke. as i said never had diesel before so everything new for me thanks. Common when accelerating as extra fuel is injected. I don't think it is just a puff. I have a 93 Pajero 2. You might be able to do a valve seal job with rope or air but a thicker oil should slow down the consumption a bit. What Does Black Smoke from Exhaust Mean - All Possible Reasons. Diesel black smoke from exhaust on acceleration what is it? With diesel cars, black smoke means that the engine is "running very rich". After I changed the oil it too started blowing blue smoke out from a dead stop when cold, and accelerate up to 2000 rpm without a hitch. You will get a small amount of black smoke due to turbo lag but if its excessive,eg you can see it in the mirror then check the air filter,you might be lucky. This start when climate temperature increase in my country. (b) when reversing up my drive (not too steep but definite hill where the tow-bar is just higher than front bumper) a complete loss of power and shed loads of very sooty black smoke. Black, sooty smoke is usually symptomatic of an engine that's burning too much fuel. The level of white smoke will taper off as the engine smoothes out and all 8 cylinders begin firing normally. Black smoke is the most common smoke color coming from a diesel engine and most likely indicates something is wrong during the combustion of the diesel fuel. 15 of 20 people found this helpful. $3200 later from the shop it still was blowing blue smoke. 11 Causes of a Vehicle Losing Power when Accelerating. Vacuum is a 15hg steady. Black smoke means "rich" condition, meaning too much Gasoline (petrol). Over fueling wil justl lead to premature engine failure. but ok,my problem with my nissan fuga 3. Perhaps think about the particle filter system. The lift worked fine so I headed out back and it started pouring black smoke and lost all power I was able to turn around and barely limp it back to the house ?? It felt like it was running on 1 cylinder if that ? I started it up a day later it started pouring black smoke when u accelerate and it will only get to about 1900rpms ????. But diesels are also known for their idle clatter, black smoke and cold-weather starting woes. Its not so much the power gains(10-20 HP maybe) of running catless but the few hundred $$ of savings not having to buy a catted downpipe. 5 MPG, and I only noticed minimal black smoke on heavy acceleration. Diesel Smoke tells YOU a Story. Just have just bought this car. Inoperative crankcase breather. Re: Freelander 2: black smoke when accelerating Fixed this issue on two occasions, first was an air hose which wasn't attached by the mechanic and "blew off", second was the same mechanic forgetting to plug the fuel temperature sensor back in after a service. Diesel smoke (like blowby and oil use) is a worrying engine symptom which indicates that an engine is not running well, and its service life is likely to be shortened considerably, unless remedial action is taken. It seems like the turbo isnt spoiling up quick enough mabey. On the journey back from the sellers house my partner (who was driving behind me) mentioned black smoke coming from the exhaust on acceleration. The dealer told him that there was a problem with the EGR valve and the manifolds would need to be replaced. It started again after about a 30 minute wait. I've check all fluid levels, they didn't drop and are in good condition. I just put in some revs while in the drive way and it blows plenty of black smoke. Mild engine. No big deal. Black smoke can mean many things. Even the trucks run cleaner. If I gently accelerate there is a small amount of smoke and if I accelerate hard there's quite abitnot a big thick cloud of smoke but enough that I can see it in my mirrors. Unless you are experiencing knocking and/or white smoke visible in your exhaust (either at idle or under acceleration), or black smoke under acceleration (overfuel condition, lacking enough If you are NOT seeing white or black exhaust smoke under any of the above conditions July 2, 2014. Seems to lack po. It seems to be accompanied by a slight loss of power, but not too much. All of them serviced and repaired by me and there is no smoke iven you close up rev tacho on each gear. The pajerosports 2. In either case the fuel-to-air ratio for your engine has been altered significantly. Hey I would also like to know I just had my injection pump calibrated when I got the car there was black smoke when I accelerate. i'm new here and saw a lot of usefull topics ! already liking this forum. 9tdi BKC 2005my mileage 88K Me again, seem to be having one problem after another. I've been on holiday with a few remapped cars from three major Land Rover tuning companies (Alive, BAS, Storm) over both TD5 and Puma, they've all smoked badly when accelerating up a hill and that's not something I want. Hey Scer's first of all my car runs great. Under hard acceleration its started to give a cloud of thick black smoke, it has never done this before, I have actually been awarer that there wasnt a hint of smoke under hard. Heavy Black Smoke When Accelerating One of our ambulances, a 2004 F-350 has has developed a problem of shooting out black smoke when excellerating after coasting downhill and then accelerating. I assume somke is just a part of life with diesels and pajeros in particular. How to repair engine hesitate & black smoke on acceleration Engine hesitate and black smoke on. Lately I have noticed that it puts out a lot of black smoke on acceleration. I guess I'd start by saying that since it's either fuel or air, you have to decide which one to go after first. Black smoke from a diesel engine when accelerating is not always a serious problem. Under moderate acceleration, say when pulling a long hill with a moderate grade and the cruise control set, it emits a steady, noticeable but not too heavy trail of smoke. Check the condition of the coolant, look for traces of oil, or if is dirty, cloudy, or milky all not good. Because you've not just got black smoke, there's also white diesel smoke and even blue diesel smoke. Our Td6 has recently started to leave quite a cloud of black/dark grey smoke when accelerating hard, particularly when going up hills, or towing. The car does feel sluggish when it accelerates especially up hill. The car has 147. mondeo Find the answer to this and other UK Ford questions on JustAnswer. 7L TBI 1/2 ton RWD Okay to keep it short and sweet, when I accelerate from a dead stop my truck will give off a puff of blue smoke, sometimes hardly noticeable and other times almost choking out the car behind me. The first 23-25K miles I averaged 17. When your accelerating hard, your car is trying to dump enough fuel into the cylinders to keep up with the extra oxygen you get from the turbo forcing more air into the engine. Does anyone else experience this with their Landy of a similar age?. If there is an excess amount of black smoke pouring out of your exhaust, then you have a bigger problem. No big deal. Blue Smoke Signals. Passive and Active regenerative systems The DPM collected in a regenerative system burns at approximately 600°C, which is a temperature rarely reached in a diesel exhaust system. If pressure builds up in the Oil Pan, the PCV Valve allows this pressure to release. chip in it when i give it gas a lot of black smoke pours out the tailpipe we checked the map sensor it. It smokes black when i shift gears and get back on the throttle and any time it has to pull a little. I have noticed that my 2006 LBZ will smoke black under hard acceleration, such as when the Allison kicks down while passing all them Fords. pajero turbo diesel,2. Start the engine and hold the revs at around 2500 rpm for about 20 seconds. I have put in a new air filter,smoke tested charge air cooler, and there is no fuel in the oil samples. Could also cause a misfire effect as would alter air fuel set up. My average fuel economy has dropped from 42 to about 38 now that my morning commute is cooler. We are the premiere place for 1st gen and 2nd gen Dodges as well as a great source for newer models as well. Recently he lost all power and the engine warning light came on and it went into limp mode. Also probably a new PCV valve if it's blocked. Theres also a rattling when I go over bumps, sounds like something is loose. Everything You Need to Know About Buying Mitsubishi Pajero Cars. Black Smoke Under Accelleration My Car Is A Turbo With 227,000 Kms Blows Black Smoke When Under Acceleration. This video shows you hot to fit a blanking plate over the EGR valve to stop black smoke blowing out the exhaust when you accelerate. I was quite amused when the other day i saw a swift diesel happily accelerating from a stop light without any black smoke. This type of inconsistent fuel supply to the motor may cause a hesitation, loss of power, a jerking reaction, potentially a bit of black exhaust smoke and typically a strong smell of fuel when this sensor is malfunctioning. 0T with 500 miles on it and my friend noticed black smoke coming out the back of my car when i accelerated switching lanes. smoke as above post, also is the air filter clean you also probably dont know whether the ECU chip has been repl;aced to increase power by a previous owner, so long as its not smoking inder normal driving, however excessive black smoke on hard acceleration could be too much for MOT pass. You see that happen when some people chip there trucks and floor them and a bit of black smoke comes out. Black smoke in a diesel is unburned fuel so first thing make sure your air filter is clean. I don't see smoke from the exhaust below 2000 rpm or if i accelerate gently. Then Friday I took off for a longer trip and the truck would blow intense long duration heavy black smoke under almost any acceleration. it is running very rich. The car is a bit more noisy when accelerating and black smoke can be seen coming out of the exhaust which is visible from the side mirror. Re: Hesitation during acceleration and a puff of black smoke Well the EBP sensor was replaced this morning. Audi A3 8PA 1. 5DCI and some audis a4,a6 also TDI. If you just move it around at idle it will move fine, but if you try to accelerate it just bogs the motor down and has no power. But if there's excessive black or white smoke, there is an issue with the engine. What Does Black Smoke from Exhaust Mean - All Possible Reasons. White Smoke White smoke is produced when antifreeze and/or water leaks inside the engine cylinder, where the gasoline is being compressed and burned. However, when I rev it when stationary there is no smoke at all. Kickdown seems non-existant in comparison to petrol engine. Re: Black smoke/soot from 147 1. The car idles fine,And I just got a smog test all good --but NOX too high. But if there's excessive black or white smoke, there is an issue with the engine. The first 23-25K miles I averaged 17. There are a few different causes between gas and diesel engines. keep doing that until it gives a puff of black when you accelerate and thats all. Mild engine. One of them advised me that the black smoke on acceleration can be because of faulty injectors (burring more fuel and not controlling the flow from the fuel pump). Even under hard acceleration they dont emit any "visible" smoke. Checked fuel filter and found fuel was black inside the filter,so replaced the. It smokes black when i shift gears and get back on the throttle and any time it has to pull a little. Black smoke on accelerating. as i said never had diesel before so everything new for me thanks. Hey I would also like to know I just had my injection pump calibrated when I got the car there was black smoke when I accelerate. But if the engine continues to produce black smoke, the engine is getting too much fuel.