I have a 2007 Chrysler Pacifica 4.0 4WD.running rough sometimes it won't start .It smells like gas. I changed battery the spark plug, ignition coils, and fuel injec.,air filter.What is the problem?
14 Jul, 2016
74%Solved this issue
104minTime to fix
58%Recommend to DIY
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Could be a bad coolant temp sensor, making the ECU think the engine is a different temp than it is. However, smelling fuel makes me think you might have a bad fuel pressure regulator. Instead of just bolting on parts, use a fuel pressure gauge to test the system, and look for leaks too. Also insure you have spark to the plugs, but BE CAREFUL! If you have fuel fumes present and create a spark things could go BOOM!
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