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Literally hundreds of things could cause unusual exhaust color/smoke. To help, here's the general idea of colors and causes:
Blue/grey- Burning Oil
White-Burning Coolant (and in some cases Transmission Fluid)
Black- Burning Excessive Fuel
Hope that helped
What else can I help you with?
What would cause the car to smoke after driving it up onto a curb?
If you nicked the oil pan it could cause it to smoke from engine area. Is the smoke coming from the exhaust or engine bay? If exhaust, then I highly doubt it was caused by the curb incident.
Would turbocharger failure make diesel engine smoke?
yes...the lack of air would causes excessive fuel which would cause black smoke.
Why does my type four kombi engine smoke intermittently?
This engine could have burnt rings in it. There also could be an old leak which is running down on the manifold which would cause the engine to smoke.
What would cause smoke to come from the dipstick?
This is not that uncommon. Some oil is so hot that it will start to smoke. The smoke can escape through this opening to the engine.
Would overfilling of oil cause your engine to smoke and what do you do?
Yes, overfilling can cause smoking, and you need to drain the extra out.
Does loose rocker arms cause engine to smoke?
Not usually. If the rocker arms are loose because the cam lobes are worn down, that could be an indication of a worn engine, which might have bad rings or loose valve guides, which would cause an engine to smoke.
What would cause white smoke and engine sputtering in a 2001 Nissan Frontier?
Water in engine-head gasket most likely.
What would cause a 1997 Dodge Intrepid smoke?
Could be a bad head gasket. You would get engine oil leaking into the cylinder heads and that would show as smoke out the tail pipe.
What would cause white smoke from the tailpipe?
engine coolant getting into an engine cylinder from a bad head gasket , cracked or warped head
Can a bad catalytic converter cause my 92 lexus to smoke?
No, any smoke is coming from the engine.No, any smoke is coming from the engine.
What can cause the white smoke on your BMW?
overheating of the engine.
What is the cause of blue smoke from the exhaust of a diesel while driving?
Blue smoke is caused by engine oil being burnt by the engine.
