2004 Jeep TJ Repair Question
Topics covered: Coil pack, Compression, Spark.
Mileage: No information provided.
Mileage: No information provided.
Asked on July 15, 2011
2004 Tj
Number 4 cyclinder not firing code...changed spark plug, coil pack and injector....what next????? Still running rough..
Answer
Replied on July 15, 2011
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.