I have a 1990 Nissan 240sx. Why out of four cylinders why are two of my spark plugs are wet and two are dry. Can anybody tell me why? Is it my fuel pressure its 34psi. Somebody please tell me whatup.

Asked by Aug 11, 2014 at 07:14 AM about the 1990 Nissan 240SX 2 Dr SE Hatchback

Question type: Maintenance & Repair

2 Answers

34,175

They are "foweled". To much fuel. Replace all 4 plugs. The one's that are foweled will never be right again.

95,115

Could be leaking injectors, blown head gasket. Disable the spark and crank the engine over and see if it is coolant or fuel that is blown out of the 2 that are wet, that will tell you if it is injectors or gasket.

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