I have a car that will not start when cold. I did get it started a couple of times qand it runs great but if it sits overnight, it is impossible to start. New coil, fuel pressure regulator, wires, etc. It seems to be flooding out before it starts. Planty of spark, good fuel pressure. Thinking it could be in the temp sensor circuit. Temp sensor is the one closes to the fire wall, right? What is the other sensor in the housing? I noticed some cars have one pin in this sensor and others have two pins? Why the difference?
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Leaking injectors can cause this problem and flood the engine if it sits long enough. After letting the engine sit overnight, remove the fuel pump relay or fuse, drain any pressure from the fuel rail, remove the plugs and have someone crank over the engine. If there is a smell of fuel or fuel spraying from the plug openings the injectors are leaking.The car makes it possible, but the driver makes it happen.
Jim Levie, Huntsville, AL
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