White smoke is normally caused by heating problems-such as glow plugs or its control module. Diesel with an engine temperature below about 80 F. Will produce some white smoke during the first few seconds after startup-Other causes of white smoke:
Burnt glow plugs
Incorrect Ignition timing
Compression problems - If a cylinder has significantly lower compression pressure than others. Minimum compression pressure should be 275 psi at cranking speed.
Blown Head Gasket
Poorly sealed piston rings
Injector is stuck or not working
Clogged air filter
Defective waste gate such as an actuator, vacuum line etc.
Poor fuel quality
Low coolant temperature
Wednesday, July 11th, 2012 AT 12:06 AM