Question about 2003 Dodge Neon

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I think I'm vapor lock, what are the causes in this model? I get miss firing as a result of this and it only seems to happen when the car is hot. I've got new plug, wire and coil pack on the vehicle.

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The first thing is to scan the computer to locate the cylinder thats misfiring, the next thing would be to have the fuel preasure tested, as it seems like you may be loosing fuel preasure, this can be caused due to a bad fuelpump a clooged fuel or a bad fuel preasure regulator, when you feel the car misfiring remove the vacuum hose to regulator and make sure theres no gas leaking from regulator where the vacuum hose goes, hope this helps, also i would try a fuel system motor vac this clean the injectors and removes carbon build up.good luck.

Posted on Sep 13, 2010


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