Cat Diesel Engine Blowing White Smoke

What causes white smoke from exhaust when cold.

Cat diesel engine blowing white smoke.

Any decrease in the pressure or delay in the delivery of the fuel to the combustion chamber will cause an incomplete combustion and you will have white smoke. This makes start up more efficient reducing smoke. If you are having a diesel white smoke may be unburned fuel or coolant going through the engine. June 8 2020 at 4 36 pm.

Or you re looking at a 20k engine repair. Diesel doctor basics of diesel part 2 of 3 if you see white smoke coming from the exhaust. Blowing white smoke is a red flag for your diesel engine yet we see this happen all the time to our customers. Here are 7 of the most common causes of a car blowing white smoke from the exhaust pipe.

In many cases white smoke emanating from the tailpipe often at idle once the engine reached operating temperature typically means a worn out injector. Condensation that accumulates inside the exhaust pipes converter and mufflers can produce a puff of white smoke upon diesel engine start up. Causes of diesel engine smoke by color. My 4 cylinder diesel engine discharged all it s oil from crank case througj exhaust pipe.

In the cold weather the white smoke can be quite normal but in some situations it is not. 1 condensation burn off. In order to run correctly a diesel engine needs precise timing of the injector pump and proper pressure. For example the 3208 marine engine rated 435 bhp 326 bkw has a camshaft that closes the inlet valves earlier.

Really bad blow by could be the result of worn piston rings. In very cold temperatures the heated exhaust can freeze into minute fuel droplets when exiting the exhaust and produce a more prolonged emission of white smoke for a very short period of driving time. Continuous white smoke while driving is one of them. Continuous light white smoke.

This is a steady stream of a lighter white. Blow by is a condition where diesel fuel air and vapor are pushed past the rings into the crankcase of the engine.