Trace the engine wiring harness around the engine cylinder head and see if a wire accidentally got pinched when you installed the cylinder heads. to scann too with live diag shows were are good there. the engine purrs at cold idle, and rev's great. I've been to the dealer, and talked to KOLAK'S JEEP, and he also feels it is a electrical issue. Sorry i can't post the link to the whole story yet. Is it poss to have 2 bad coils going to ground? Last night also jumped the rear coil wire out of the (loom ) harness, not knowing was could be bad back there. it popps as it is about to recover from the low. a straight power line to the coils was run with 20 amp blade fuse, it will start and now popps that 20 amp fuse, on the ruff idle. ? restart runs less time idles ruff, pops fuse will run 30 seconds - 2 mins after 8-10 mins stops running like the key was turned off the fuse doesn't pop in the p.d.c. the jeep starts easy idles great cold, idle kick down no problem. pulled each coil and ran, no changed every thing is with in spec as per my d.c. notta.relays pulled o2 fuse, and sensors. replaced fuse, happened again.įrom moving the wires to the valley and back. it's all together, idled ruff, (starts right up ). I changed the head gaskets a few weeks back. The short of it, my wife's 02 wj limited, with a 4.7
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