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Questions tagged [p0304]

Failure code indicating cylinder four misfire.

1
vote
0answers
22 views

Car jerking when engine warms up

Hey so my car drives great when the engine is cold, but once it warms up to 90 degrees it starts jerking a lot when pressing accelerator. I scanned the car and got codes: p0340(camshaft position ...
5
votes
1answer
147 views

2008 PT Cruiser 4cylinder non turbo

I have a check engine light and a generic 0304 #4 cylinder misfire. I have replaced the plugs, wires and now coil pack but the light reappears. I am a good mechanic but on construction equipment. What ...
3
votes
1answer
4k views

P0304 code on PT Cruiser

I have a 2005 PT Cruiser Convertible that's leaking oil in #4 cylinder causing engine light to come on. Now, I have changed valve cover gasket and tube seals, spark plugs and wires and coil, pcv ...