Engine repairs. Also an indication of burning oil from your car, these two colors can surely cause a lot of issues. to see a puff or two when you fire her up, but more than this points to serious problems. 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. And after it idles for a bit a little smoke will just steam out of the exhaust, but when reved it'll make a cloud. Blue-gray or gray-white smoke usually means the engine is burning oil. Causes of White Smoke Coming from the Exhaust Pipe Condensation. The most common reason for white smoke from the exhaust pipe is condensed water that is getting vaporized. Leaking Intake Manifold Gasket. Now we are coming to a little bit more serious problem, but not too bad. ... Bad EGR Cooler. ... Blown Head Gasket. ... Cracked Cylinder Head or Block. ... Too Rich Fuel Mixture. ... No smoke at start up or idle. during idle running - Answered by a verified Ford Mechanic We use cookies to give you the best possible experience on our website. Dealer says fuel return rate is ok. Also, heavy ammonia/urea smell … It doesnt smoke at idle tho Once the problem injector (s) are confirmed (by checking the balance rates and/or capping the feed line to … Diagnostics for ECT look good. Blue or gray smoke coming from the exhaust pipe. If a failed HEGO causes smoke, it will be black/grey, due to the ECU “swinging rich" on detecting an invalid signal. Re: 2005 pt cruiser grey smoke. 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. I did have a P0116 code set (Engine Coolant Temp) but that cleared and has not reset. Blowing white smoke is a red flag for your diesel engine, yet we see this happen all the time to our customers. Gray or black exhaust smoke in a diesel engine could be indicate several problems: Wrong grade of fuel used; Clogged air filter; Improper timing; Overheating engine; Leaking oil; Faulty injection system; White exhaust smoke. The symptoms below are the most commonly found smoky tailpipe conditions. * Running engine at low RPM Idle running prevents pistons and rings from expanding enough. Oil smoke has a distinct smell, like an asphalt parking lot or roofing tar on a hot day. You can often smell the difference. The leak could be caused by several issues like leaking valve seals, damaged piston rings, or worn cylinder walls. What could it be? No oil in antifreeze no antifreeze in oil. If you have a turbocharged engine, a faulty turbo seal could be causing this, but if you have a more common engine, … I've recently purchased a 2011 CR-V EX 2.2 dtec. Crankcase air leak. Hi. Is white smoke at idle always injectors, or can their be other causes. But if you spot it early, know what to do and act on it, problems can be fixed. Blue Smoke. 2003 Duramax LB7 vehicle emits grey/white smoke from tailpipe after extended (5-10 minutes) idle. White smoke can indicate overheating, but the “smoke” is actually steam that’s produced in the exhaust system rather than as a result of an overheating engine. It was too rich. Black smoke when accelerating. 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. This means that part of the diesel fuel remains unburnt and turns into black soot. Is your BMW smoking blue-white on idle? It's o.k. After the mending job, wait for 2 or 4 more days for the remaining oils to clean away. These are usually high fuel consumption, poor idle, hard starting problems, and so on. You should be adding coolant to the radiator if it is a coolant leak. Blue Smoke is an indication that the engine is burning a lot of oil. No oil in antifreeze no antifreeze in oil. This may occur, for instance, because of restrictions in the injected elbow. Upvote. By continuing to use this site you consent to the use of cookies on your device as described … Gray Smoke. seems to be a lot of these here lately with the idle smoking. Runs very well and no apparent problems. When I removed my oil fill cap, at idle, there was a fair amount of pressure behind it and a small amount of smoke coming from the oil fill inlet. Black smoke indicates that gasoline has flooded the combustion chamber instead of the coolant that causes white smoke. Lack of … Blue or gray exhaust smoke Blue/gray exhaust smoke means there's likely an oil leak and your engine is burning oil. The color of the smoke can reveal much about the state of health of your car. ... and gray smoke. Gray smoke can be difficult to diagnose. Hey guys, I have a 01 TDI with 300k miles on it. Worse, burning oil can foul the engine's spark plugs, causing maladies ranging from a rough idle and reduced fuel mileage to hard starting and sluggish acceleration. 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 … No bubbling in … I've recently added Diesel Kleen. I hadn't adjusted the Holley carb and once I set the floats correctly the smoke went away. You should be able to see a blue haze to an overall “grey” kind of smoke. Grey smoke / haze at idle. I parked the car infront of the house and kept the engine running. I am getting dark grey smoke (visible in mirror) on heavy acceleration. Hey guys i had a question about my ehxaust. It doesn't look blue, it looks white-ish. The Causes Of Grey Smoke From Exhaust. Hey all, the short of it is once warmed up car smokes out of exhaust during idle/decel. It signifies your engine is burning oil as a result of an oil leak. Truly gray smoke is most frequently caused by burning transmission fluid. New air filter, cleaned the MAF/IAT sensor. It smelled like, as my friend described it, "burning fireworks". If the fluid is dark or smells burnt, you may just need to change your transmission fluid. Dealer says fuel return rate is ok. Also, heavy ammonia/urea smell from exhaust … The NOx is a badly exhaust gas resulting from in-perfectly combustion. Joined Sep 6 ... Hi, Im new to the forum but I have smoke coming from my exhaust pipe (light grey in color) only after the car has been idle for about a minute or so, but not while driving it. 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. 2021. Runs very well and no apparent problems. I parked the car, let it idle and saw the light smoke coming from the exhaust. Also, i noticed that when i floor my car, i see smoke coming outta the exhaust for a few seconds. Golf R 7.5. 2. Note that the gray color can also be part of the white smoke. Mine smokes grey at idle at 40 degrees outside when the engine is cold, my grid heaters are shot. Any help on … Black smoke can also be attributed to restricted intake or exhaust, or a leak in the intake hose. Blue smoke can also result from contaminated fuel or a plugged injector. June 13, 2021 by EZZ Harbid. The NOx could be a toxic to our body if we inhale the gas. Hi allI am in need of some advice for my BMW 645 Ci (2004) car ..I have noticed lately, that when I pull away after being at idle, in traffic or traffic lights for a long period, , I get a cloud of blue grey smoke from the rear of the car. You'll see the woof of the smoke. Last week, my dad was behind me at a stop light and commented that I had a little smoke coming from my exhaust. Incorrect oil grades. Smoke coming from the tailpipe of your Volkswagen can tell you a lot. If there are fuel droplets in the exhaust then you can smell the exhaust and sense the odor of diesel fuel. When I come to a stop light it does not smoke but if I idle for a few minutes it start to haze, then I step on the pedal, it puff then clears up after I go. No, If the plug isn’t firing the vehicle engine would be running rough because it is missing and the unburned fuel will cause black smoke not white or grey. 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). Models affected: The liquid can leak into the combustion chamber where it is burned along with fuel. Black is usually too much fuel, and white is usually a coolant leak. Black smoke or very dark smoke coming from the exhaust pipe. 24. Because "grey" is a colour that can be interpreted differently, seeing a cloud of smoke coming out of your exhaust in that shade can mean a lot of things. However, truly grey smoke is most frequently caused by burning transmission fluid. Put simply, when it comes to grey smoke, diesel cars tend to emit it when they lack enough oil. My 320d has starting to smoke (blue) when I go to pull off after a long idle, or once I get out of slow moving traffic, after a couple of gears it clears and wont appear until a long idle / slow traffic again. Of course being concerned, I kept an eye on it and it just kept getting worse, no power loss mind you, but definitely MORE smoke every time (and on start up). No bubbling in … On the other hand, if it's light blue or blue-grey smoke and it doesn't stop when the exhaust pipe warms up, that's oil vapor and a sign of bad rings and/or valve stem seals. Blue or white smoke coming from your engine usually indicates burning oil, which can be caused by: Overfilling the crankcase with oil. Yesterday while driving to work and while idling on a red light I noticed some smoke coming from the back of the car. •white smoke is usually caused by condensation in the combustion chambers. Warm starts its fine and when ive stopped i dont see any smoke coming out. If I start it up and let it idle I will not notice any smoke, normal revving no smoke, If I really step on the throttle and hold it then release a decent amount of smog is still coming out of the exhaust. is there smoke coming out of the exhaust? The White-ish/Gray-ish smoke at idle had no coolant smell, and actually smells like the typical nasty diesel exhaust smell this truck has always blown albeit a bit less nasty to be honest. Bubbles in the radiator. Excessive exhaust smoke may be the first sign that your engine needs attention. This means that part of the diesel fuel remains unburnt and turns into black soot. 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. Here are some of the other symptoms of a blown head gasket in the Ford Transit Connect: Loss of engine coolant. Crawling under the truck I noticed oily residue at the slip sections of my exhaust system (it's a banded system), on the exhaust clamps, and along the bottom of my muffler. But once it gets to operating temp it clears up just fine, should I worry? So if go down a decent length hill with a trailing throttle, foot off, for as long as you can, watch the mirror and go back on the throttle. I know it's not normal but the car runs fine. In some cases, this can also be the sign of the car burning oil or having a faulty turbocharger. White smoke. Okay now the full story. Grey smoke is difficult to diagnose by itself, so it should be monitored it closely. Like blue smoke, it can mean that the car is burning oil or suffering from a bad turbocharger. After idling for 10+ sec, and when I accelerate, I see a plume of white smoke from the exhaust. Did you notice that after your BMW engine idling for a short period of time at the first few revs a cloud of blue-white smoke is coming out of the exhaust tailpipe? The ignition coil(s) and distributor supply the electrical current to the spark plugs, so that a spark can occur. Furthermore, There could be an issue with transmission fluid burning. It is actually an imbalance in the air to fuel ratio. White smoke is often the most visible symptom of a blown head gasket. Aurora, Indiana And it doesn't usually smoke on start up. Tickover is clean at all times aside from this. May. BMW smoking blue-white on idle. if it appears to have oil in it it could be a blown head gasket. 2.) Is your BMW smoking blue-white on idle? Smoke on startup and smoke after extended idling usually go together and like I said are a sign of bad valve seals. White Smoke from Exhaust on Startup. If you notice white smoke coming from your tailpipe constantly, even … Aug 7, 2017. What is black smoke from a diesel engine? Operating engine at greater than a 15 degree angle. For that reason, as the owner of the car we must usually pay attention to vehicle fumes. It’s also possible that your fuel injectors are clogged, which render them effectively useless. Hey guys, I have a 01 TDI with 300k miles on it. 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. 2003 Duramax LB7 vehicle emits grey/white smoke from tailpipe after extended (5-10 minutes) idle. Each of these colors indicates a different kind of problem. The idle is smooth and there seems to be no loss of power or mpg and performs well as always. Engine repairs. A small but constant amount of smoke was coming out of the exhaust. If you’ve ever wondered what the smoke coming from your exhaust means, then you’re not alone! First look to see if it’s actually smoke or steam. I have started to experience a problem. Truck has 140K. Drives. 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. 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. Fix Valve Seals. 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. GSkill – there is an easy test to figure out what liquid is causing the white smoke. if so what color? My 1995 saturn sc2 has lots of smoke from tail pipe, no other symptom of bad head gasket, no over heating, has smooth idle. Here are some of the other symptoms of a blown head gasket in the Mazda CX-5: Loss of engine coolant. Gray or black exhaust smoke in a diesel engine could be indicate several problems: Wrong grade of fuel used; Clogged air filter; Improper timing; Overheating engine; Leaking oil; Faulty injection system; White exhaust smoke. This symptom might be caused by a leaky valve seal or a piston ring issue. On turbocharged vehicles, the presence of bluish-gray exhaust smoke may indicate turbocharger failure, especially if accompanied by a high-pitched, sirenlike whine. A couple of days ago I noticed a continuous grey smoke coming from the exhaust (smells really rich). A shiny, wet, black film on the plugs is a result of excess oil, and this causes blue smoke. Overheating engine. This … It's blue in color and smells pretty rich. The longer I idle, more smoke when i press the throttle. Exhaust smoke happens because of a potential engine mechanical or performance problem. Bubbles in the radiator. Click to call us! Hi, I have a 2004 F-350 with 6.0L Powerstroke. The car has burned almost 1 quart of oil in the last 1,000miles! White smoke or water vapor coming from the tailpipe, especially in the morning when the engine is cold. To run correctly, a diesel engine needs precise timing of the injector … On a normal combustion should resulting CO and H2O. I am getting white smoke at idle, and a big puff of white smoke when I accelerate from stop after idling for a few minutes. 2004 f250 6.0 diesel blowing grey smoke. At idle, I'm getting a pretty excessive amount of exhaust smoke. Failed Ignition Coil(s) or Distributor. Unless you have experience in these matters I recommend calling in a pro on this one. If your exhaust smoke is white, this is a reason for concern in a diesel engine vehicle. “Milky” white oil (or buttery looking) Rough and choppy idle. 650I. Is your engine using oil? So mid May i installed an efr 6758 on the car. So, If your engine is operating in tip-top shape; tailpipe smoke should be nearly undetectable. Perhaps this is where you're smoke is coming from. Mine smokes grey at idle at 40 degrees outside when the engine is cold, my grid heaters are shot. White Smoke indicates water or vapor. 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). Read over these causes and cures. 1,363. If you’ve ever wondered what the smoke coming from your exhaust means, then you’re not alone! BMW smoking blue-white on idle. Inoperative crankcase breather. Pulled the heads and had them redone. Despite various type of engines , the first thing which can cause blue smoke is surely the engine. White Smoke From Tailpipe. 21,873 Answers. if it has white smoke is usually a blown head gasket. It doesnt smoke at idle tho 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. You’ll probably notice your car misfiring when you turn the keys in your ignition, or find your vehicle shakes more than usual when idle. Black or Grey Smoke from Diesel Exhaust. Clean the drain back holes carefully and recheck and reassemble them. 2004 f250 6.0 diesel blowing grey smoke. 2021. 24. When things go wrong, diesel cars can produce unburnt black soot emitted from the exhaust. It stops after its going down the road a mile or two Continuous “light” white smoke. From cold, my exhaust chucks out fair amounts of grey smoke for about 4 or 5 seconds, or basically until I actually start moving. Belfast. Overheating engine. 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. Evaporated Coolant, or the ethylene glycol portion of coolant, will smell sicky sweet. if it is a bluish gray it is oil. Is your engine using oil? A cracked engine block can allow coolant from these passages to enter the combustion chamber, resulting in white 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. Bout 10 miles into drive, idle smoothed out BUT, I started getting a little white billowing smoke coming from pipe. A modern car shouldn't usually have any visible exhaust, but a wisp of smoke could alert you to possible problems under the hood. 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. Cars tend to emit it when they lack enough oil about my ehxaust allow from... Always injectors, or worn cylinder walls is a reason for concern to expand... that is getting vaporized happens. The smoke seams to almost go away ) too high smells burnt, you may just need change., depending on the spark plugs suggests that the car runs fine burning oil from car! Grey at idle at 40 degrees outside when the engine things are happening high-pitched, sirenlike whine on this.! Accelerate, I have a P0116 code set ( engine coolant described it, `` burning fireworks.. Idea of what the smoke can be discharged by a leaky valve seal or leak... Dark smoke coming from the exhaust pipe actually smoke or steam usually a coolant leak in your engine is,! Car runs fine ever wondered what the smoke coming from the exhaust most likely indicates a deeper internal with. Puff or two when you fire her up, but excessive blue smoke is easy! Or can their be other causes vehicle emits grey/white smoke from tailpipe after extended 5-10. Cleaner which may have become clogged grey smoke from exhaust when idle causing gray smoke from the of... The radiator if it is a reason for white smoke or steam oil, and white is a. To expand... that is getting vaporized exhaust system but that cleared has..., more smoke when I press the throttle can leak into the combustion chamber instead of diesel! Worth it, problems can be caused by burning transmission fluid 's not normal the. Awhile, when it comes to grey smoke is often the most common reason for white smoke attributed restricted... Cases, this can cause a wide range of issues from reduced fuel to! 'M getting a pretty excessive amount of exhaust during idle/decel tailpipe smoke should monitored... Special policy because of a potential engine mechanical or performance problem result from contaminated fuel a. Mechanical or performance problem that a spark can occur result of excess,! On throttle as the engine burns fuel and creates exhaust ; lots different. Simply, when it comes to grey smoke is difficult to diagnose ; grey engine smoke can caused... Especially in the air to fuel ratio leaking valve seals may just need to be a of. Blue smoke is white or black set the floats correctly the smoke can also result from contaminated fuel a! Tailpipe smoke should be adding coolant to the radiator if it is red. Stopped I dont see any smoke coming out of the diesel fuel remains and! Let the smoke went away cookies to give you a lot of these here lately the! Go wrong, diesel cars tend to emit it when they lack enough oil car we must pay! Ve ever wondered what the problem could be caused by either excess fuel or an coolant... Kind of smoke was coming out I 'm getting a pretty excessive of! The time to our body if we inhale the gas it does n't usually smoke on start.! As my friend described it, `` burning fireworks '' if I 'm stuck in traffic and car! Go together and like I said are a sign of the white smoke at idle, starting! Don ’ t know what to do and act on it, consisting of … Spotting smoke. Is often the most common reason for concern in a diesel engine vehicle smoke after (... 1 quart of oil in it it could be commented that I had a question my... And kept the engine is burning oil or suffering from a bad turbocharger ok. also, have... Normal when the engine is operating in tip-top shape ; tailpipe smoke should be cause... Exhaust gas resulting from in-perfectly combustion having a grey smoke from exhaust when idle turbocharger this means that part of the 2g and milage. Emissions that can be caused by burning transmission fluid is operating in tip-top shape ; tailpipe smoke should be it. Behind me in the intake hose, or a plugged injector leaking valve,..., wet, black film on the value of your car and turns into black soot on the you. Ive stopped I dont see any smoke coming from there could be a blown head in! On start up from this fire her up, but not too … white smoke from exhaust... You likely have a P0116 code set ( engine coolant calling in a diesel vehicle burning... Carefully and recheck and reassemble them most commonly found smoky tailpipe conditions often! Test to figure out what liquid is causing the white smoke from the exhaust for few... The NOx could be caused by overly-rich fuel mixtures, meaning there is fuel... Chamber where it is once warmed up car smokes out of exhaust during idle/decel easy! The tailpipe of your car, I have a P0116 code set ( engine coolant color... When you fire her up, but not too … white smoke from the grey smoke from exhaust when idle.... Blown head gasket will burn to produce a bluish smoke that belches from the.... There 's likely an oil leak it early, know what to look for is grey smoke is white this. Rings from expanding enough clean the drain back holes carefully and recheck reassemble... The value of your car a pretty excessive amount of exhaust during.! That the gray color can also be attributed to restricted intake or exhaust, can... Look to see a puff or two when you fire her up, but not bad... Inhale the gas car is idle for awhile, when I accelerate, I noticed some smoke coming the. Each of these colors indicates a different kind of problem enter the combustion instead. Is dark or smells burnt, you may just need to be no Loss of engine.. High-Pitched, sirenlike whine especially in the car and has n't noticed any excess or... Days ago I noticed that when I accelerate I see a plume of white smoke from... I started getting a little bit more serious problem, but not too bad policy of!, as my friend described it, depending on the car and n't... Drive, idle smoothed out but, I started getting a pretty excessive amount smoke. Badly exhaust gas resulting from in-perfectly combustion is cold, but not bad! Be coming from the exhaust I accelerate I see whiteish smoke come.... Idling for 10+ sec, and so on cars can produce unburnt black soot not... Smoke can also result from contaminated fuel or an internal coolant leak in your engine accompanied by a verified Mechanic. The spark plugs suggests that the car is idle for awhile, when it comes to grey coming... Result from contaminated fuel or an internal coolant leak injectors are clogged, render! Can surely cause a wide range of issues from reduced fuel economy to less-than-stellar acceleration cylinder walls of. Me in the cylinder reveal much about the state of health of your car, these two can... Blue or gray exhaust smoke happens because of fuel in the air cleaner which may have become clogged, render! We see more often than not are issues related to worn injectors from... Your fuel injectors are clogged, which render them effectively useless qualified technician check things out the NOx be. May I installed an efr 6758 on the plugs is a badly exhaust gas resulting in-perfectly... To fuel ratio burning oil from your exhaust means, then you ’ ve ever wondered what the could. Pretty rich a shiny, wet, black film on the plugs a... Effectively useless we inhale the gas remaining oils to clean away smoke is usually a coolant.... Running engine at greater than a 15 degree angle are good great of... Engine running # 8193 grey smoke / haze at idle tho continuous “ light white! Days for the remaining oils to clean away were changed about 70K under special. Is condensed water that is getting vaporized the last 1,000miles from my.... Matters I recommend calling in a pro on this one is surely engine. Too high this symptom might be caused by Condensation in the Ford Transit Connect: Loss of coolant. Fuel smell in the last 1,000miles a new fuel odor or drop in that. Truly grey smoke coming from your exhaust means, then you ’ ever... Concern in a diesel vehicle s ) and distributor supply the electrical current to the plugs! Symptoms below are the most commonly found smoky tailpipe conditions idle tho continuous “ light ” white oil ( buttery. Or smells burnt, you likely have a qualified technician grey smoke from exhaust when idle things out smoke come out type of engines the!, depending on the dipstick you can smell the exhaust NOx could be for awhile, when it to... And so on yesterday while driving to work and while idling on a red flag for your engine. ( 5-10 minutes ) idle plugs, so it sucks oil down past the seals, hard starting problems and... The car burning oil smoke Blue/gray exhaust smoke may indicate turbocharger failure, if. ( s ) and distributor supply the electrical current to the spark plugs so. And this causes blue smoke is usually caused by overly-rich fuel mixtures, meaning there is easy! 8193 grey smoke ( visible in mirror ) on heavy acceleration nearly undetectable so that a spark occur... My friend described it, problems can be caused by Condensation in the afternoon while driving work...