NUMBER 4 CYCLINDER NOT FIRING CODE

2004 Jeep TJ

Tiny

allen Thomas

July, 15, 2011 AT 7:31 PM

Number 4 cyclinder not firing code. Changed spark plug, coil pack and injector. What next? Still running rough.

FOUND 2139 RELATED QUESTIONS

1 Answer

Tiny

caradiodoc

July, 15, 2011 AT 7:54 PM

Switch injector with one from a different cylinder to see if the code changes to that other cylinder. Chrysler has extremely little trouble with injectors, but if you already changed the ignition parts, that just leaves fuel and compression.

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