Cat Diesel Engine Blowing White Smoke

Causes of diesel engine smoke by color.

Cat diesel engine blowing white smoke.

What causes white smoke from exhaust when cold. In many cases white smoke emanating from the tailpipe often at idle once the engine reached operating temperature typically means a worn out injector. My 4 cylinder diesel engine discharged all it s oil from crank case througj exhaust pipe. 1 condensation burn off.

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. Blow by is a condition where diesel fuel air and vapor are pushed past the rings into the crankcase of the engine. 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. Or you re looking at a 20k engine repair.

Condensation that accumulates inside the exhaust pipes converter and mufflers can produce a puff of white smoke upon diesel engine start up. Diesel doctor basics of diesel part 2 of 3 if you see white smoke coming from the exhaust. Really bad blow by could be the result of worn piston rings. This is a steady stream of a lighter white.

If you are having a diesel white smoke may be unburned fuel or coolant going through the engine. A brand new diesel engine running at full load will experience a little bit of blow by upon startup. In the cold weather the white smoke can be quite normal but in some situations it is not. Continuous white smoke while driving is one of them.

Here are 7 of the most common causes of a car blowing white smoke from the exhaust pipe. June 8 2020 at 4 36 pm. Blowing white smoke is a red flag for your diesel engine yet we see this happen all the time to our customers. This makes start up more efficient reducing smoke.

White smoke is typically not as much of a problem with electronically governed engines as it is with mechanically governed engines. Continuous light white smoke.