Series 60 Aerated Fuel. white smoke from a diesel engine on startup. If so, it is probably the result of condensation building up within your carâs exhaust system. However, generally, it could happen either when the cylinder head is cracked or broken or the head gasket is faulty. The diesel engines' efficiency has improved significantly over the years, so any thick smoke coming out from the exhaust pipe should be a cause for concern. The oil in the crankcase and the motor oil in many cases will get thicker. You're probably wondering what causes white smoke coming from a diesel engine can be. White Smoke from Exhaust on Startup. Why would the engine be exhausting white smoke? Basically, smoke from a diesel engine indicates that something is not right. Look closely, because grey smoke can appear almost white, when it is in fact gray and signaling something different than white smoke does. Constant blue smoke on a turbocharged diesel is unlikely to be caused by worn valve stem seals. I have had the EGR replaced and turbo under warranty about 18k ago maby andy ideas. White smoke coming from the back of your car can be ignored if it is thin like vapor. Condensation Burn OffIf you notice white smoke coming from your muffler, donât automatically assume the worst. You may not have to worry⦠Leaking coolant is being burnt. Normal. 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. Thick white smoke, on the other hand, can indicate a problem. But with white smoke, it's typically linked to contaminants mixing with fuel and air during the combustion process. Bubbles in the radiator. head gaskets? My Freelander (Td4 '53 plate' with 83K on her) belches out white smoke on start up - espically when first starting from cold, but also if it has been left ticking over (from a cold start and the engine temp gauge shows warm) and I give the throttle a good prod. You can quickly identify the cause based on the color of smoke coming out of the exhaust pipe. there was a nice stream of white smoke exiting the exhaust. The oil in the crankcase and the motor oil in many cases will get thicker. If you see white smoke during startup only, then this is probably because oil leaks pass the valves and mixes with any moisture present in the carâs exhaust. This is a common sight when cars, even modern ones, are first started in the morning. Thanks. 2009 Hemi 5.7 is blowing what looks to be white smoke out of the exhaust on start up and also when I accelerate after letting my foot of the pedal for a few seconds. I've been investigating the smell of exhaust fumes in the cab in my 2008 130 T5 and discovered that on start up there is a puff of white smoke coming from the rear of the engine block around what I think is the turbo. Solution. I had a Jaguar that did this exact same thing. According to Zack Ellison at Cummins, âWhite smoke is an indication of unburned diesel fuel. Thin smoke. When you park your car under extremely cold conditions, the car becomes too cool, its air shrinks and starts producing moisture. Failed or Faulty Head gasket A cracked, Fractured or Bad engine block It tends to occur in the winter or cold mornings. 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. Sep 23, 2014. WHITE SMOKE 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. Steam from the exhaust and water loss shouts head gasket like nothing else. The main indicator will be whether your fluids are dropping. Bicyclists did not like us. We started with injecters, on advise from diesel shop. White Smoke From Tailpipe. or even a fair amount gets into the cylinder and as you startup 1, 2 or 3 days later the first instantaneous response will be the white smoke and a rough idle until the coolant is spent in the cylinder and then the car may run fine and/or throw a code. By reducing the airflow, a rich fuel mixture is formed which usually results in damaging the spark plug among other parts. With the engine off, make sure the bolts holding the fuel line to the injectors are freed up. Did not fix problem, we had just bought the truck and after injecters realized the oil pan was filling up with fuel. First question, do you have to regularly add coolant? Black smoke means there's too much diesel and not enough oxygen, so the carbon in the fuel doesnât have enough oxygen to combine with. White smoke We had simular problem with a 93 3500. You get an incomplete combustion during startup and it causes raw diesel fuel to come out of the stack.â Regardless of engine type, worn valve stem seals tend to cause smoke at start-up and at idle. This is a common sight when cars, even modern ones, are first started in the morning. Black smoke from a diesel engine when accelerating is not always a serious problem. Understanding all the different reasons you can have oil in the cylinders is not. A plume of white smoke is generally most noticeable at diesel startup, particularly when it's cold. White smoke We had simular problem with a 93 3500. The head gasket seals the area where the combustion happens. I think the typical diagnosis of white exhaust is coolant in the system. You can quickly identify the cause based on the color of smoke coming out of the exhaust pipe. White smoke is often the most visible symptom of a blown head gasket. If you smell a strong diesel odor, the white smoke means the extra fuel is in such excess that it canât even begin to ignite (as compared to black smoke, where partial ignition has occurred). I am however burning off quite a bit of oil. Been reading the forum for quite some time and have been helped out a bunch. Thanks Coolant that is leaking into the combustion chamber will burn white and ⦠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. This is because the dirt prevents clean air from reaching the engine thus affecting the emission control systems. We got a Tech1 unit to set the injection timing. What would cause this EGR? Water or coolant can cause white smoke from diesel as well. This is a symptom of a bad problem. You are getting coolant or water in the combustion chamber, and If you know anything about compressing water, you know this is no going to end well. Blow-by is a condition where diesel fuel, air and vapor are pushed past the rings into the crankcase of the engine. When the weather gets cold, there are a few things that can make it hard to start a diesel engine. This is the most serious reason why the engine is emitting white smoke which may cost you money to fix. Jul 18, 2017 ⢠FAQ. Mar 23, 2011. Thin white smoke on startup then disappears is usually a result of condensation build-up within the exhaust system. Aug 12, 2016 (Edited) White smoke from the exhaust. Problem. The last cause is arguably the main source of trouble with ⦠#14. aragorn said: It depends if its smoke or steam for a start. Sorry for the book in advance. When it sits and cools down when I go to start it it smokes white smoke really bad smells like raw diesel⦠Since this is a boat and marine diesel forum, and, white smoke seems to come with the territory, Iâll first start by giving you about twenty years of personal experience with white smoke. This causes the fuel to enter the exhaust system and burn off. There is a chance that the white smoke was caused by water splashing up from a puddle onto the exhaust pipe. The un-burnt diesel does not only cause white smoke but also contains certain toxins that will likely sting your eyes. Look for this light gray smoke especially when cranking over a cold engine that may not want to start. DPF is only meant to catch partly burnt diesel (black soot) which is easily burnt off and doesn't damage anything. When the weather gets cold, there are a few things that can make it hard to start a diesel engine. Wear of piston rings and cylinders block. 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