Is the white smoke steam or water? If so it is a blown head-gasket. Fix ASAP or you will ruin the engine. Or is exhaust blueish/gray or gray and smells like gas or oil. If this is the case then it could be a fuel injector, spark-plug (or no spark to plug), valve seals, piston ring/s, or clogged air filter.
SOURCE: white smoke coming from exhaust when accelerating
This is usually an indication of a bad head gasket.I gasket. The white smoke is the coolant leaking out of the engine and winding up in the oil passages, due to a bad head gasket. To confirm this,
1. check oil. Is level increased, or milky appearance?
2. Is coolant level dropping, but u don't see any signs of leaks?
The above indicates a bad head gasket, causing the white smoke u describe. Let me know how u make out.
SOURCE: White smoke from exhaust
Could also be a warped cylinder head, especially if you've been driving it that way for a while.
If you are noticing a higher than normal temperature indication, this is also indicative of a blown head gasket, warped cylinder head, or both. If your coolant levels seem to be dropping faster than normal it can mean that you're leaking it into the engine. Or, it can be that you have a coolant leak which caused you to overheat, and then blew the head gasket. It's something of a "chicken or the egg" situation.
The best way to determine if this is the case is to change your oil again and inspect it. If it looks like "milkshake," you have coolant mixing with the oil.
-R
SOURCE: Jag X TYPE Diesel Black smoke coming from exhaust on acceleration
Hi
I think you willfind that there are flaps inside the inlet manifold that work off a motor these sometimes become detached from the linkage. this will give you lack of power and black smoking.
SOURCE: thick white smoke coming from exhaust
If it looks like a James Bond movie, you have a blown headgasket
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