Questions tagged [p0304]

Failure code indicating cylinder four misfire.

4 questions
5
votes
1 answer

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 would be my next move? Fuel injector?
user23884
  • 51
  • 1
3
votes
1 answer

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 checked okay, compression test on all cylinder was…
Doug
  • 31
  • 1
  • 3
1
vote
2 answers

how long does it take to erase OBD codes after unplugging the battery

I have been dealing with Engine Misfire codes (P0300 to P0304) on my 2003 Toyota MR2 Spyder. I changed the spark plugs and engine coils. That did not clear the codes. I used OBD scanner to erase the codes but every time I did, P0300 to P0304 kept…
Asdfg
  • 143
  • 1
  • 6
1
vote
0 answers

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 sensor "A" circuit), p1504(something about the intake…