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2003 4X4 SWB 4 Dr Air in the fuel filter black smoke 30 mph top speed will changing the fuel pump to the tank fix the problem?
Wiki User
∙ 18y ago
Probably not. Black smoke is more of a sign of too much fuel or not enough air. Check the air filter first; see if there is an air obstruction. If that's not it, next check the injectors to see if there are any that are sticking open. Don't let this problem go any longer. It can cause fuel in the crankcase.
Wiki User
∙ 18y ago
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Stopping white smoke?
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