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Well mine was a automatic. I had the tranny rebuilt but it was taken out of the jeep and put back in buy my mechanic. Then sent out to be rebuilt. It was a total rebuild because it had failed. The mechanic did not clean out the cooling tank and all the shit that was in there went back into the...

Im selling my 99 jeep sport 4.0 that i have had sense new. Frame and body are in very good condition. Two new fenders, Automatic, remoter starter. Pictures speak for themselfs. There is a cold running problem. When it is cold and you come to a top it wants to surge ahead and then stall. When you...

Premature on the fix. The problem is back. And on the IAC i did the can of cleaner even cleaned it out of the jeep and it did not seem right to me so i replaced it. But back to my problem. I'm starting to think it is the transmission not going into slip mode or what ever it does. Is there a...

I replace the IAC and the TPS and the problem seems to be gone. Thanks so much for all your help and keep your fingers crossed. If this does not fix it it will be for sale>>>>>>>>........ Dave

And could that cause my problem?

Thought that was the same as the tps.

That is what i just replaced.

I have not replaced the CPS as of yet.

Ok so this is the new info on this problem. It is not the remote starter. It is not the o2 sensor although it seemed to make it better after i replace it. Is there something that needs to be reset with the new sensor? It is not the TPS, at the throttle body, i just replaced that. Now it sits...

I finally got a garage that has a clue. We have two codes PO 351 AND PO 132. Understand I have had the computer checked out at SLI in IL. and they said it bench tested fine. They did take it apart. Also this jeep has a remote starter and im beginning to wonder if that has something to do with...

Hey guys I finally got a garage that has a clue. We have two codes PO 351 AND PO 132. Understand I have had the computer checked out at SLI in IL. and they said it bench tested fine. They did take it apart. Also this jeep has a remote starter and im beginning to wonder if that has something to...

nope the wiggle thing does not work. it is almost like when you take the wire off and turn the engine over it is recharging something and then the coil is getting juice again. I am going to try a test light next time to see if there i power to the coil. that will tell me more. It is the...

To Jerry I would have to say when it is warming up. When i start it up in the morning it takes off just fine until i get at the end of my driveway which is about a 1/4 mile. Then it surges and stalls. Then when i get the the next stop about 2 miles from my home. Then when it is totally warms it...

ok thanks and its the o2 sensor before the cat

i have had race cars trucks etc all my life and have never seen the coil thing before.

yes but that has been on for ever because of a bad filler neck. I have had the codes checked by two shops and it come back with nothing definitive. Seems to look to the control module. But like i said that seems to be fine.

Ya but you would have to have it flashed for his jeep would you not? Can you just interchange them?

Ok guys this is a good one for you. I have a 99 tj with a 4.0 automatic. It started running ruff in the morning. It would surge at the end of the driveway and at a stop light shortly after. When it surges it stalls. Starts right back up. Sometimes it has done it and been hard to start up like...