Jeep Wrangler Problem Report

Jeep Wrangler Ignition wires may fail and cause engine performance problems

(10 reports)

Ignition wire failures can cause a rough idle or intermittent engine misfire and there might not be a Check Engine light.

started running rough and would stay running. One dealer couldn't figure it out after 5 days, i towed it to another dealer and finally they noticed a burnt wire. The wires were arching and they replaced two instead of all, now at 38500 it happens again... dealer wants $400 parts/labor for wires, plugs...bought wires/plugs and did on my own. -
engine misses throughout driving and backfires -
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