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Jeep Cherokee Grand Cherokee Engine and Performance Problems

566 messages,  Last post on Nov 16, 2009 at 9:41 PM

You are in the Jeep Cherokee and Jeep Grand Cherokee Forum. Your Hosts are steve_ & tidester

What is this discussion about? Jeep Grand Cherokee, Jeep Grand Cherokee SRT-8, Jeep Cherokee, Engine, SUV

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#510 of 566 Re: Problem with either fuel or electrics? [indianajames] by tidester HOST May 16, 2009 (2:44 pm)
Replying to: indianajames (May 16, 2009 10:31 am) The EGR should be near the exhaust manifold. Perhaps someone with hands on experience would jump in with specifics. Anyone?   tidester, host SUVs and Smart Shopper Replies to this message: indianajames (May 25, 2009 2:51 am)
#511 of 566 Re: Jeep Grand Cherokee 4.7 Rocker Arm Problem [dnyara] by craigd47 May 20, 2009 (10:17 am)
Replying to: dnyara (Nov 28, 2007 6:00 pm) I'm having exactly the same problem with my 2004 Grand Cherokee V-8. It started suddenly. Were you every able to solve the problem? My mechanic says that it is caused by carbon build-up. Replies to this message: indianajames (May 25, 2009 3:03 am)
#513 of 566 misfire at idle by emtstan May 21, 2009 (5:00 pm)
I have a 1992 cherokee at idle it misfires and if you turn on the ac it gets worse, also it takes a minute after pushing the gas pedal for it to run normal I have changed the dist, plugs, wires please help thanks alot Replies to this message: tuggajb (May 21, 2009 6:24 pm) indianajames (May 25, 2009 3:00 am) tuggajb (May 27, 2009 3:37 pm)
#514 of 566 Re: misfire at idle [emtstan] by tuggajb May 21, 2009 (6:24 pm)
Replying to: emtstan (May 21, 2009 5:00 pm) sounds as if you have vacuem leak Replies to this message: indianajames (May 25, 2009 3:00 am) tuggajb (May 27, 2009 3:37 pm)
#515 of 566 Re: Problem with either fuel or electrics? [tidester] by indianajames May 25, 2009 (2:51 am)
Replying to: tidester (May 16, 2009 2:44 pm) Thank you for that.
#516 of 566 Re: misfire at idle [tuggajb] by indianajames May 25, 2009 (3:00 am)
Replying to: tuggajb (May 21, 2009 6:24 pm) I thought it may be that, so I sealed all the vacuum pipes off the inlet manifold but it makes no difference. Do you know of another test I can do to ascertain whether I have a vaccum problem. Please bare in mind I am in the middle of the bush in N Africa. Replies to this message: tuggajb (May 27, 2009 3:37 pm)
#517 of 566 Re: Jeep Grand Cherokee 4.7 Rocker Arm Problem [craigd47] by indianajames May 25, 2009 (3:03 am)
Replying to: craigd47 (May 20, 2009 10:17 am) I am still having the problem but I think I am getting closer to the cause. I am almost certain it is electrical as it gets worse when the engine gets hot.
#518 of 566 Performance problem finally solved! by indianajames May 27, 2009 (10:18 am)
This is a message to all those who have been having the same problem with the Grand Cherokee as I have been. See message a week or so back.   I tried everything such as TCS, IAC, MAP sensor, Coil etc with no luck. Finally I took the fuel tank off and it was full of dirt and sand. The fuel pump was weak so I changed that. Now the car is running as sweet as a nut. In fact it is running like a bastard and I have already frightened myself with the speed.   I hope this helps others who have the same running problems.   Good luck
#519 of 566 Re: misfire at idle [indianajames] by tuggajb May 27, 2009 (3:37 pm)
Replying to: indianajames (May 25, 2009 3:00 am) could be the intake manafold it self have used light oil or choke cleaner and spray around intaje and head do when cold so as not to start fire

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