White smoke from exhaust when accelerating in cold weather

In warmer weather there is no smoke on start up. One common cause of white exhaust smoke in your Ford Ranger is a coolant leak. Transmission. Took it back to dealer, they give it back 30 minutes later, no charge, no trouble found. Problem: When starting the car gray, almost white smoke will come out of the exhaust. Generally speaking, black smoke is fuel, blueish smoke is oil and white type smoke, indicates water anti freeze , like a head gasket problem. The most common cause of this problem is that the engine is not getting enough oil. A thick cloud of white smoke. Depending on the temperature, car model, and many other circumstantial factors, there can be some very usual scenarios where this Jun 7, 2018 · 2016 blows white smoke randomly. When starting the MDX on very cold days, the catalytic converters are cold and the O2 sensors are not used and the MDX is running in open loop until the converters are at the right temperature. 105xxx miles. May 11, 2019 · Coolant Leak. Thick white smoke, on the other hand, can indicate a problem. Aug 28, 2023 · Slowly accelerate and decelerate the engine. 4 and a white smoke/running problem. Jun 21, 2024 · The white smoke should come in small amounts from the exhaust, without any scent, and would usually clear up after 30 seconds. While the MDX is warming, the MDX will be using a hardcoded value for feeding gas mixture to the engine. People who are used to living in a warm climate like California and leave or move to a colder region might experience this white smoke. Mar 14, 2023 · By exhaustguides001 March 14, 2023. It runs strong and sounds normal my coolant level is staying the same. This can occur if your air filter is blocked, or Jan 10, 2022 · Table of Contents. A bit of white smoke -- often with a bluish tinge -- can also be normal. Problem is when i leave the driveway and press on the gas, it sputters and blows white smoke without a very powerful acceleration. The unburned fuel can create smoke in the exhaust system Mar 27, 2010 · Yeap seems normal, it's caused mostly by cold weather or/and cold start, heat it up normaly, and observe if the "white smoke" becomse more transparent. White smoke can either be very light, just like a vapor, or it can be dense and heavy smoke. The white smoke is due to unburnt fuel caused by improper heating. This is caused by a compromised part of the engine that has the flow of coolant in it. Nov 13, 2008. Sometimes diesel engines emit a white smoke while starting. 8. '03 Altima 3. I have a 2011 Silverado 1500 5. if there is too much crankcase pressure it will cause oil leaks. Healthy engines generate oil vapor. 5 ecoboost) is producing quite a bit of white smoke on each cold start. Does anyone have any ideas what Oct 3, 2023 · To sum up, white smoke from your motorcycle’s exhaust is usually a sign of an underlying mechanical issue. Cracks and bad gaskets allow the fluid to travel to places Mar 30, 2023 · Black smoke often signifies there is too much fuel being burnt by the car’s engine in relation to the amount of air – known as running rich. And before it's warmed up to operating temp it will blow quite a bit of white smoke at idle. Consequently, a proper running diesel engine should produce no visible smoke from the exhaust. There are Nov 9, 2010 · Sputter on cold acceleration/white smoke. This could be occurring either because the engine’s fuel injects are faulty, or as a result of low cylinder compression. Not the usual cold weather puff of smoke but huge billowing clouds. Aug 12, 2008 · 6. Due to the high pressure and temperature applications to keep the engine running, it is not uncommon that these factors will result in cracking of either the cylinder head or engine block. A fuel filter costs around $10 to $60 without labor costs. Sep 20, 2023 · I have a 2002 MB ML320. At first sight this exhaust smoke seems white but it has a blueish tone, a certain density and a particular smell, like something is burning. 0. One of them is because of the transmission fluid and the other is burning coolant. Solution. White smoke has a lot to do with the temperature in the combustion chamber. #4 · Sep 15, 2012. This article summarized the 10 most common causes of white Afterwards accelerate hard , if it still has the white smoke, I’m afraid it’s a sign water coming from inside the heads. White smoke can be a result of raw diesel coming out of a car’s exhaust before it has been burned properly. When blue smoke is seen coming from the exhaust system, you must check your oil and continue to Aug 19, 2020 · B. Engine crack or leak in the head gasket results in emitting white Dec 15, 2023 · Engine Overheating. Smoke was thick. No action is necessary unless the vapor persists longer. White smoke from the exhaust system is usually not an issue. When a cold engine is started, it soon begins to heat up, and a byproduct of this is water Mar 14, 2023 · Smoke from a car exhaust when accelerating is usually caused by an engine problem. It happens when the truck has been running a while down the highway, pull off to a stop, go to take off againthats where the trouble starts. I wouldnt really worry about it, unless one of your fluid levels keeps going down or your gas mileage starts going real low. 5 ecoboost white smoke and soot from exhaust - My truck (2015 4x4 crew w/ 3. 4L diesel engine and built before 10/1/2008 may exhibit significant amounts of white smoke from the exhaust pipe while driving in high humidity or rainy conditions at temperatures above 40 °F (4 °C). Instead, it could in fact be steam from condensated water that evaporates in the hot exhaust system. #4 · Dec 19, 2014. Blown Head Gasket. May 14, 2019 · One common cause of white exhaust smoke in your Audi A5 is a coolant leak. This blue exhaust smoke indicates that the lubricant oil is Nov 13, 2008 · 4. May 14, 2019 · Coolant Leak. Coolant leaks can lead to a rough, choppy idle and reduced engine power. This is because the combustion process may be less efficient in the cold. This is especially true in colder climates where the system can be more prone to moisture. Once you know the color of the smoke, head to the corresponding section below. Diesel engines need high compression and heat for fuel combustion. Jun 26, 2023 · A duramax blowing white smoke is a sign of a coolant leak or a faulty fuel injector. In fact, what at first appears to be white smoke may not actually be white smoke in the first place. Mar 4, 2021 · Step 3: Inspect for cracks in the cylinder head and engine block. Oil level in the crank is right at normal, so it's not excess oil being consumed that I can notice. This was something that I have not noticed in the first four years of ownership. ISSUE. Nov 3, 2023 · 1. '05 G35X, black, everything. Aug 1, 2023 · A bit of water vapor in the exhaust at cold start can be normal though it does require help from temperature and humidity. Then it quit. When you start your bike in the cold, the condensation residue in the pipe heats up and steams out of your exhaust as white smoke. 0 blowing white smoke!! Heres the deal, I just had a bullydog PMT and 4" turbo back exhaust installed about 3 weeks ago and 1000 miles ago. The fuel injector is responsible for injecting fuel into the internal combustion chamber at the exact right time. The problem is erratic in it occurrence. #12 · Feb 8, 2015. May 14, 2019 · A less common but possible cause of white exhaust smoke in your Subaru Forester is a transmission fluid leak. 9s produce white smoke at one point if their life and continue to as they are pre emission diesels. anyway, low miles, 112,000+. Red alert This is the danger zone. It can be especially difficult to start a diesel engine during cold weather. Because of this, more fuel is going to be burnt, leading to black smoke in the exhaust. After the truck warms up (about 10 minutes) the smoke is completely gone. It can also be caused by a leaking intake manifold gasket, a bad EGR cooler, a blown head gasket, or a cracked cylinder head. If the white smoke persists, it could indicate other problems. I have a 2008 F250 with the 6. Apr 12, 2023 · Prevention and Maintenance of Grey Smoke from Diesel Exhaust when Accelerating. Jul 11, 2014 · SOLVED: Gray/White smoke out of exhaust. There are only two During cold days, it is common to see white smoke from exhaust when accelerating your car. If you own a duramax truck, it’s important to keep an eye on the exhaust smoke level. And it should go away after a short period of driving, as your engine and car’s parts reach operating temperature. If you have a sweet smell, it is head gaskets if not, and you haven't driven it much since the repairs, go drive the excess water out of your exhaust. 9s, all 5. I have a mild 350 that doesn't seem to have any major mechanical problems, but its apparently way out of tune because it produces excessive white smoke out of the exhaust and the smoke kinda makes your eyes sting. Cracked cylinder head and coolant leaking. The white smoke is expected to be seen for some few seconds or perhaps a minute if it persists. It will often happen at startup in cold weather with lower compression engines. Have them observe the exhaust as you start the engine after it’s been turned off overnight. Once car is idling no more smoke (normal operation). The issue seems to be more noticeable when the truck is cold, but fairly consistant. Brody C Discussion starter. The latter issue can be put down to a problem with engine valves, the engine’s piston Mar 20, 2013 · I need some help! New member here. #car #carengine #carexhaust Ans: Simply put, there are two ways that cause white smoke from the exhaust when accelerating. Jan 9, 2014 · 1998 posts · Joined 2012. This is primarily due to condensation. I have kept the PMT in stock or tow (level 1) the whole time other than the first day when I played with the higher tunes. Z tube, K&N. It also has a bit of a stumble off idle. This can be caused by an oil leak, or by not changing the oil often enough. You can ask a friend to tap the acceleration pedal for a short period of 10-20 seconds and observe the smoke in seasons when the temperature varies from 5- below 0 Celsius, you might see some The smoke is simply a result from the hot exhaust gasses meeting the cold air. Both the cylinder head and engine block house the components needed to run a car. #4 · Jan 9, 2014 (Edited) ^-- that. If you continue to see white smoke after the engine is warmed up or when you accelerate, and you start to sense a sweet odor smell, then the coolant has probably found its way This is very common. Additionally, you will notice heavier smoke when the vehicle is put under pressure. You should check the oil level and look for leaks. A blown head gasket contaminates the fuel-air mixture and causes white smoke. the Apr 11, 2023 · The main cause of white smoke when starting a diesel engine in cold weather is low engine temperature. 5 (pewter) Stillen exhaust. In particular, it could mean that your engine is burning coolant, which could mean a problem with a head gasket or a cracked engine block. If the exhaust billows white smoke for a few seconds when first starting the engine after it has been sitting for a while, such as overnight, and then runs normally, it could mean that the rubber valve stem seals have perished - especially if the vehicle is a few years old and has done over 60/ Dec 4, 2023 · Causes of Water Coming Out of the Exhaust Condensation from Cold Weather. On your next cold start, run around and smell your exhaust, white smoke is water and or coolant. Whether it’s worn piston rings, damaged cylinder heads, a blown head gasket, or simply moisture in the exhaust system, identifying the problem early can help prevent serious engine damage. If you notice white smoke coming from your car’s exhaust pipe when accelerating in cold weather, there’s no need to panic. 3-L was produced between 1994 and 2003, while the 6. When I take off it white smokes but only notice it when sitting for 5 or more mins. 5 posts · Joined 2020. Replacing a car radiator costs £269. Routine maintenance tasks, such as checking coolant levels and ensuring the radiator functions correctly, can prevent engine overheating. Then a month or so later it happens again check engine light goes on and def . This article will help diagnose the underlying causes of diesel engine smoke. Diesel engine smoke comes in three colors: white, black and blue. Mar 16, 2023 · The most common cause of white smoke coming from the exhaust is condensation from the exhaust system. 35 posts · Joined 2007. Feb 16, 2003 · Like bruncek said, heavy white smoke is usually antifreeze burning, and is most often the result of a blown head gasket. Mar 5, 2015 · 2 posts · Joined 2009. Jan 15, 2016 · Causes of white smoke. #1 · Aug 19, 2020. If the fuel filter becomes too dirty, replace it. Some 2008-2009 F-Super Duty 250-550 vehicles equipped with a 6. When you detect white smoke from the exhaust when accelerating or even during start-up and warm-up, this indicates that your vehicle’s engine is absorbing too much transmission fluid from the vacuum hose or line, resulting in burning oil and a noticeable burnt smell. #1 · Jun 29, 2009. Otherwise, it idles smoothly and doesn't knock or ping. White smoke indicates unburned diesel is Jan 28, 2013 · mmlx89 Discussion starter. Diesel engines are known for their power and fuel efficiency, but they can also produce grey smoke from the exhaust when . Related article: Harley Davidson Engine Diesel engines that emit white smoke could have a problem with the injectors, or the engine is burning coolant and may have a leak in the head gasket. When we look at the transmission fluid issue, white smoke is present when the engine sucks fluid through its vacuum hoses. Follow these steps to address this issue: Check the transmission fluid level: Ensure your transmission fluid is at the proper level. As the engine warms up, the white smoke should dissipate. However, if you start noticing some white smoke from the exhaust when accelerating, you might be dealing with a major internal problem. So for a few months now, for some reason whenever i decide to accelerate my car about 4000 rpms while switching gears, my car blows out white smoke… . Nov 3, 2023 · One of the most common reasons for white smoke coming from a car’s exhaust pipe is condensation. Feb 6, 2015 · Even after it is at operating temp it still blows smoke. Water or coolant can cause white smoke from a diesel engine as well. Brrr…It’s Cold Outside…. she’s an old grandma now…21 car years is 80+ in human. if it is actually grey smoke, it could be caused by a stuck/frozen pcv or crankcase ports. A clogged air filter or fuel filter can also cause smoke. Solution: Replaced Crankcase Ventilation Valve (PCV Valve/CCV Valve) and the smoke disappeared like magic! The Crankcase vent valve is a component Apr 5, 2022 · Head Gasket. Jan 9, 2024 · If the white smoke only occurs briefly at startup after the car has been parked overnight, it is likely just normal condensation from the exhaust system as the engine warms up. Frankencar intake/Apexi. Cost to Fix: Replacing a single fuel injector can 2. May 11, 2016 · White Smoke. Color can point to the cause of exhaust smoke. The truck will start shuddering and belching white Sep 15, 2012 · 561 posts · Joined 2010. As you start running the engine at idle (around 650 or 750 rpm), you will achieve a more effective compression ratio, and the smoke clears. Your Car is Cold Too. The Ford Powerstroke 6. When I start my ranger up in colder weather I get clouds of white smoke coming out of the exhaust pipe. If your 4Runner has an automatic transmission, it’s possible that white smoke could be due to a transmission fluid leak. Transmission Fluid. white smoke is typically an indication of coolant entering the combustion path. Jun 2, 2015 · One reason your car may be experiencing blue smoke coming from the exhaust could be that your engine is burning oil. This steam is what we see as white smoke coming out of the tailpipe. This will often happen when the engine is still cold. I have true duels with the cats. It could also be caused by a cracked head gasket, oil leak, defective fuel injector, or cracked engine block. It seems to be running okay and Jan 27, 2014 · 1048 posts · Joined 2010. Unburnt fuel particles escape the combustion process in the engine and are expelled through the exhaust, giving the smoke its dark color. Jan 11, 2023 · Do you see white smoke coming from your exhaust pipe? Should you be worried? In this video, we will go through the most common causes of white smoke from exh May 7, 2024 · What Causes White Smoke From the Exhaust? Thin white smoke (especially on a chilly morning) is nothing to be concerned about. the odor of the smoke is definitely NOT sweet. If you were to have a bad fuel injector, then it would cause white smoke to form because the proper amount of fuel did not enter the chamber at the right time. Starts fine and idles fine. Sep 22, 2023 · Thick bursts of white smoke from your car's exhaust indicate a problem with your engine. Like. Unlike blue smoke, which may signal burning oil, black smoke points towards an imbalance in the air-to-fuel ratio, with too much fuel or too little air being present during combustion. The fix might be obvious to some. Edit: I’m not sure how the water separator work for the intake Feb 8, 2015 · 209 posts · Joined 2014. white smoke is acceptable in those old 5. Whether it's on startup or when accelerating, this article will explain the various reasons why your exhaust may produce white smoke and how to fix it. Jan 20, 2020 · odds are it’s leaking coolant or oil into the turbo! 3. One common cause of white exhaust smoke in your Ford Mustang is a coolant leak. The white smoke is simply water vapor that has condensed inside the exhaust system and is being expelled along with the exhaust gases . I just noticed this yesterday after nearing the end of a 2 1/2 hour drive. Just starting running into another issue with the cold weather rollin in. the vehicle runs fine otherwise. 0-L was produced between 2003 and 2007. Most of the time, the white smoke is due to an injector delivering too much fuel into the chamber. #4 · Jan 27, 2014. This usually clears within 30-60 seconds and is nothing to worry about. Thick white smoke from tail pipe isn't always a bad motor it can be a master cylinder that is leaking You might want to look to see if your master cylinder is leaking from the seal when you brake hard all the way down and hold it down. But you would be overheating if that were the case, so I wouldn't think that was it. Feb 21, 2023 · Thick white smoke coming out of the exhaust typically indicates a blown head gasket, a crack in the head, or a crack in the engine block. Sep 25, 2009 · FORD: 2008-2009F-Super Duty. A damaged transmission cooler can cause transmission fluid to mix with the coolant, leading to white exhaust smoke. When you notice any kind of smoke from your exhaust be it white smoke from exhaust on startup or when accelerating and even when idle, they all are indications that, your vehicle is having one issue or the other that needs your attention. #1. This causes your air/fuel mixture to be too rich, and not all of the fuel will get burned. When it’s cold outside, cars take longer to warm May 1, 2024 · 5) Bad Fuel Injector. In addition to white smoke, you might notice a burning smell or unusual noises coming from the transmission. When a car is started in cold weather, the warm exhaust gases meet the cold outside air, causing condensation and steam to form. There are three common colors of exhaust smoke emitted from a gasoline-powered engine: Black; White ; Blue-gray or gray-white ; Black smoke Aug 31, 2022 · If an injector becomes clogged or fails, it could lead to white smoke from the car exhaust. Thin white smoke in winter is usually normal and not a cause for concern. The 7. Blue exhaust smoke coming from the exhaust pipe on a Sorento. Next step would be to open the radiator cap and look for bubbles under the same conditions. just recently started blowing white smoke on cold start. mostly after it sits overnight. Since I've had its been randomly blowing white smoke when I accelerate fast. Diesel fuel is thicker than gasoline and requires a higher temperature to vaporize and ignite. White smoke indicates coolant is entering the combustion chamber or that excess fuel is burning. Damaged radiator. Low fluid can cause overheating and damage the Dec 28, 2015 · Driving on frequent short trips is the worst thing you can do for your exhaust system in the cold weather. Sep 25, 2011 · 11-2-2 6. Moreover, its volume increases significantly when you step on the accelerator. This is when it may help to have a friend present. ISSUE: Aug 1, 2023 · Last updated on August 1st, 2023 at 07:39 am. Do you notice a lot of soot in The only way to eliminate the white smoke produced by a cold diesel engine is to allow the engine time to heat up and allow the condensation to evaporate around the affected areas. White smoke usually comes out from the exhaust when accelerating due to condensation. Aug 25, 2021 · Here are three of the most common ones: A byproduct of heating up an engine is water vapor which then creates condensation in the exhaust system, turning into steam as temperatures rise inside the motor. Overheating is another potential cause of white smoke emanating from the exhaust. #1 · Jan 28, 2013. 3. This is a symptom of a bad problem. it’s more like the odor you smell when the city is repaving the asphalt. When coolant leaks into the oil system, it diminishes the oil’s lubricating ability, which can damage your Oct 26, 2023 · When everything’s working properly, this exhaust is colorless. Aug 14, 2016 · Wikipedia. Just like when you see water droplets forming on a cold glass, the same phenomenon occurs inside your car’s exhaust system. A bad fuel injector can "flood" a cylinder and cause black smoke. White exhaust smoke caused by condensation should only last 30-40 Apr 13, 2023 · Faulty fuel injector: A malfunctioning fuel injector can cause the engine to run rich, which can lead to white smoke. the master cylinder serves as the main valve that pushes brake fluid through the brake line so that the brake May 11, 2019 · One common cause of white exhaust smoke in your Ford Expedition is a coolant leak. If you see those bubble then you have a head gasket problem. Stiction is a commonly used term when diagnosing diesel fuel powered engines. 87 on average and may be necessary if the damage is too extensive to patch up with sealant. 2001 qcsb 2500 24v cummins, 4x4, 4" turbo back str8 pipe, BHAF, edge evo HT, Nv4500 swapped, hx35 turbo. One common cause of white exhaust smoke in your Fiat 500 is a coolant leak. Brought it to the dealer twice they couldn't find a problem. So I bought a gmc duramax with 20000 miles on it about 8 months ago. In addition, if you stay in a colder region and there is white smoke coming from the engine even when the engine is heated, this may be due to the cold weather. This issue may be due to a blown head gasket or cracked engine head. you can check that easily first. Mike. When coolant leaks into the oil system, it diminishes the oil’s lubricating ability, which can damage your Jun 14, 2022 · There Is Transmission Fluid. Common causes are burning oil, worn valves or piston rings, or a cracked head or block. A corroded radiator may allow coolant to leak into parts of the engine where it shouldn’t be, producing thick white smoke when burnt. For sure in 90F+ heat I'm not seeing any water vapor from my MINI. 7 deleted and when I crank it and let it set for 5 or so mins. During cold weather, it is common to see water coming out of the exhaust. When the engine is cold, the fuel doesn’t vaporize properly, and some of it is expelled as white smoke. This can be a sign of a variety of issues, ranging from clogged air filters to worn-out piston rings. 2. When it is cold outside, the first 20 minutes of your drive are hardest on your car while it is warming up. Clogged Air Filter. Feb 16, 2011 · First time got the "Drive to clean exhaust", Smoked a white cloud for 5 miles til "Cleaning exhaust" came on. I don't notice it under normal driving, but mainly from a May 16, 2024 · White smoke from an exhaust The most common form of smoke from an exhaust isn't actually smoke at all. May 10, 2019 · Addressing Transmission Fluid Leak. When coolant leaks into the oil system, it diminishes the oil’s lubricating ability, which can damage your engine. 4L DIESEL - WHITE SMOKE IN DAMP WEATHER CONDITIONS WHEN ACCELERATING Publication Date: February 1, 2011 FORD: 2008-2010 F-Super Duty This article supersedes TSB 8-25-1 to remove the production build date, update the vehicle model years and Part List. I have a 2017 F350 6. In most cases, smoke is produced during start-up and disappears after Jan 22, 2021 · It appears that the engine is using excess fuel to warm up the catalyst during cold running and when I use the accelerator with moderate enthusiasm, it's a cloud of blue smoke out the exhaust. Related Article: How to Winterize Your Car Exhaust System. Won't harm engine. #2 · Dec 6, 2011. In cold weather or during startup, water vapor present in the exhaust system can create white smoke, while blue smoke might be an indication of a different issue. White smoke from the exhaust means there is an opening in the cooling system that exposes coolant to the high pressure and temperature of the combustion process. Nov 19, 2022 · White smoke from exhaust when accelerating: Final thoughts. If dust or contaminants block the air filter, there won’t be enough air hitting the cylinder. May 13, 2019 · One common cause of white exhaust smoke in your Hyundai Santa Fe is a coolant leak. Black Smoke from Exhaust. This is particularly true in colder climates. Automatic. My truck will blow smoke out of the driver side exhaust pipe when I hit the gas after coasting for about 100 yards without hitting the gas and when it switches from V4 to V8. Cleaning the clogged fuel filter may solve the problem. The exhaust smoke should not have a very obvious color, especially in modern vehicles. One of you revs the engine and watches for smoke, while the other listens and smells for anything unusual. " WTF!!! Yesterday after five minutes of neighborhood driving, I accelerated after a right-turn-on-red (so accelerating a little heavily) and saw a great deal of white (maybe blue) smoke coming out of my tail pipe, and at the same time experienced a loss of acceleration (or perhaps my transmission shifted in a strange way, I'm not sure) then the smoke Dec 18, 2014 · 1269 posts · Joined 2007. i’m not too worried about it. No blue smoke is an indicator of decent injectors, again, if you catch the sun right , they will look like they are blowing white exhaust, my 97 12 valve rolls coal and in the sun, it’s not Oct 4, 2023 · Step 3 – Start the Engine and Check for Smoke. Dec 6, 2011 · 16548 posts · Joined 2004. 3-L engines are the most prevalent to experience cold start or injector stiction issues. This happens due to condensation that might have accumulated in the exhaust and the start of the engine tries to burn of the matter. This is a common occurrence and is usually nothing to worry about. 0-L and 7. Today I am blowing white smoke when accelerating from a stop. Excessive heat can cause coolant to vaporize and exit through the tailpipe as white smoke. Cold Weather Start-Up: In colder temperatures, it’s not unusual for diesel engines to emit white smoke during startup. 03. This will result in burning oil and a burnt smell. If you detect white smoke from the exhaust while accelerating, this can mean that your vehicle’s engine is absorbing too much transmission fluid from the line or vacuum hose. If your car is emitting white smoke from the exhaust and making a knocking noise, it’s likely that there is something wrong with the engine. They give me a hand out saying "Some smoke may be present in cold, rainy weather. May 11, 2019 · One common cause of white exhaust smoke in your Ford F150 is a coolant leak. I recently purchased a 2007 F-250, and have noticed that when leaving from a stop, there is a noticeable puff of white/blue smoke. If the valve guide’s seals or piston rings are worn out, the oil will leak into the combustion chamber which in turn will burn. 5L EcoBoost Engine - 3. There Might Be A Cracked Engine Block. Cold weather: In colder temperatures, it’s normal to see coming out of your pipe for a short period of time until your engine warms up. Your engine is getting coolant or water in the combustion chamber. Check the color of the smoke coming out of the exhaust pipe and whether it's associated with acceleration or deceleration. One common cause of white exhaust smoke in your Ford Focus is a coolant leak. If there is smoke coming from the exhaust it could indicate a more serious problem with the engine. Truck warms up for about 20 minutes before leaving. But if something is amiss, you’ll see a cloud of smoke coming out of the back of your car. Oct 19, 2023 · The most common reason a motorcycle blows white smoke during a cold start is due to residual condensation, humidity, or moisture in the tailpipe. Feb 17, 2023 · 1. They replaced def injector. yi es jx bi or js cm jv nt sk