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I have a 1996 Chevy lumina 3.4 and it smokes extremely bad what could that be?
Wiki User
∙ 17y ago
You don't mention where the smoke is coming from or what color the smoke is. If the smoke is black and coming out of the tail-pipe, the engine is running rich and you probably need to do at least a minor tuneup and change the spark plugs, inspect the distributor cap and rotor and replace if necessary, and check the spark plug wires. If the smoke is blue and coming out of the tail-pipe, the engine is burning oil. Usually this is caused by worn piston rings and an overhaul may be necessary. If the smoke is blue and coming from under the hood, you probably have a bad valve cover gasket that is leaking oil onto the exhaust manifold or pipe. Replacement of the valve cover gasket will cure this. Good luck, hope it's not blue smoke coming out of the tail-pipe. Intake manifold gaskets are very common and expensive if put off.-BClear.
Wiki User
∙ 17y ago
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