Recent content by muinmdw

...little rough.? Also, in park, at 3800 rpm's it really seems to misfire.

The car idles very rough and is sometimes unresponsive when the gas pedal is pushed. I am getting a P0155 and 1152 code when this happens. I have changed the pcv valve and the air filter. scan says p1152 lack of ho2s21 switch sensor indicator rich and p0155 upstream heated O2 censor heater...