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There is a strong gas odor in my 98 Explorer. I comes on when you start it and continues as you drive. This is a new problem, the motor is a new rebuilt 2 months old.
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Not getting enough fuel. There are two coolant temperature sensors one for the gauge. one for the computer. the one to the computer monitors fuel. When it fails the engine is slow to start the first try and there is a strong odor of gasoline. The engine will run rough at some speeds and sometimes stall.
Im having a similar problem with my 97 Exlporer, after testing the fuel regulator which was o,k. the holding pressure test failed with fuel found to be leaking into the cylinders and the strong odor of fuel coming out of the exhaust pipe as well as hard starting , and rough idle. I have decided to take the injectors out this weekend for testing. Oh and you will love this, When i took this vehicle to my mechanic, he replaced the head gasket and sent me down the road, i could tell something was wrong after few miles of driving and the nasty smell of gas. He just lost my business, guess i'll just tackle it myself......................
AWESOME a real camaro problem. backfire. strong odor of gas because the gas isn't getting burned caused from backfire. backfiring because the spark isnt sparking when its supposed to. problems could be bad spark plug wires , bad plugs , bad ignition parts. your gonna need to check wires for bad spots, check ignition coils and stuff like that. if all that stuff is ok, then your problems have to do with inside the engine. jumped time etc.
If your getting fuel which it sounds as though you are, check to see if your getting spark to the plugs. Sounds like an ignition system issue. Not sure about specifics on Hyundai but could be distributor cap, rotor, distributor, crank or cam shaft sensors.
It may be the fuel pressure regulator located on the fuel rail on top of the motor it leaches out a very small amount of gas when they start to go inspect it if it looks even a little bit wet replace it, if this is not wet then the gas cap may not be venting properly replace it.
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