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jeep spark collapse. Is it PCM or something else?
A 1996 Jeep Cherokee 6 cylinder. The condition is RPM decreases, which is caused by observable spark decay which coincides with RPM drop, then drops below minimum RPM, approaches stalll, then recovers. I checked CKS, replaced CPS, replaced coil. Tomorrow I will test TPS. What am I missing? The Manual says to take to dealer for PCM check. Any alternatives?
2 Answers
- 1 decade agoFavorite Answer
i get the feeling that it is either the actual computer or the coil.