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Jeep Cherokee Grand Cherokee Engine and Performance Problems

569 messages,  Last post on Dec 07, 2009 at 4:44 PM

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

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#541 of 569 2001 Grand Cherokee Laredo V-8 engine light by rneville Jul 23, 2009 (1:25 pm)
Last fall my engine light came on, and I took my Jeep to the dealer to get it repaired. $100 later I was told that I needed to replace my gas cap. Before I could replace it, the light went out. I bought a new gas cap, but continued to use the original after cleaning and lubricating it as it appeared to be in new condition. About a month ago, the engine light came back on, so I then replaced the original gas cap with the new one I had previously purchased. But the engine light is still on, and I'm reluctant to take the vehicle to the dealer for another $100. Is there a way to reset the engine light, or could something else be the problem? Replies to this message: tuggajb (Jul 24, 2009 10:57 am) eric784254 (Jul 25, 2009 6:13 am)
#542 of 569 Re: 2001 Grand Cherokee Laredo V-8 engine light [rneville] by tuggajb Jul 24, 2009 (10:57 am)
Replying to: rneville (Jul 23, 2009 1:25 pm) take it to auto zone they can read fault codes for you prob no charge
#543 of 569 Re: 2001 Grand Cherokee Laredo V-8 engine light [rneville] by eric784254 Jul 25, 2009 (6:13 am)
Replying to: rneville (Jul 23, 2009 1:25 pm) how does it run with the check engine light on ? details
#544 of 569 Re: Rough Idle After Engine Rebuild [yeats66] by eric784254 Jul 25, 2009 (6:26 am)
Replying to: yeats66 (Jun 01, 2009 2:02 pm) check your charcoal canister, unbolt the canister and take off the hoses on top. pay attention on where they are taken off from as they need to go back on in the same order. inspect hoses for cracks or deteroration, if so replace them. check the canister, if it smells like gas, replace unit. i had a similar prob with my 98 jeep 4.0 and found out by trial & error that it was that. other things you might want to check are the crankshaft positioning sensor & camshaft positioning sensor. let me know how it goes, good luck Replies to this message: bertt (Nov 13, 2009 9:19 pm) tidester (Nov 14, 2009 12:24 pm) bertt (Nov 15, 2009 8:11 am) and 2 more... dvossbrink (Nov 16, 2009 7:39 pm) and 1 more...
#545 of 569 Re: 1992 Jeep Cherokee [soggybottom] by eric784254 Jul 25, 2009 (6:41 am)
Replying to: soggybottom (Jun 07, 2009 7:56 pm) being in your situation, i would go to a local parts place & pick up a haynes manual for it. the average price is roughly 20 bucks. it has how to for the shadetree mechanic. with basic hand tools & time/patience you should be able to get it running for her. let me know, good luck
#546 of 569 Re: Grand Cherokee drove into cement wall - help [lookin4jgcinfo] by kh75 Jul 25, 2009 (1:04 pm)
Replying to: lookin4jgcinfo (Mar 20, 2009 7:00 am) Hello,   I hope your are recovering okay. I was rearended in my Jeep and I am now permanently disabled because of the accident, but thats besides the point.   I have heard of this problem, Jeeps are known for having problems with the transmission suddenly lunging forward even when they are in park. The car wash I go to regularly recently redesigned the entire layout of the wash after a Jeep Grand Cherokee lunging forward(while in park) onto a 4-lane road and flipped over the cennter median.   Now no one but a manager at the detail shop is even allowed to drive the Jeeps.   Jeeps have problems with the neutral safety switch and most models have had a recall on this part. My 99 Limited had this recall. I was told that it is this part that causes the Jeeps to jump out of park.   I know your jeep was totaled out but if you have your paperwork you can contact jeep to see if there was ever a recall on this part and if you had it replaced. If you did and you still had this happen I would contact a lawyer.   I hope this helps.
#547 of 569 Re: Intermittant starts [harley4pax] by kh75 Jul 25, 2009 (1:42 pm)
Replying to: harley4pax (Jun 02, 2009 5:15 am) Try replacing the crankshaft sensor. We are on our third jeep and had this same probelm with all of them. On our very first jeep the dealship told us the same thing and after several months it finally died and then they figured out it was the sensor.   We have also had problems with the camshaft sensor also.
#548 of 569 won't start by asce Jul 25, 2009 (4:32 pm)
Can someone help me with some troubleshooting?    I have a 1996 Grand Cherokee V8 and it won't start.   I've had both the battery and altinator checked at Auto Zone and they were fine. Replies to this message: eric784254 (Jul 28, 2009 4:12 pm)
#549 of 569 Re: won't start [asce] by eric784254 Jul 28, 2009 (4:12 pm)
Replying to: asce (Jul 25, 2009 4:32 pm) check your cables, if that wont work then see fi your getting spark. pull aplug & stick that into the end of the wire, put it close to the valve cover or something metal & have some one crank the motor. let me know if you get spark
#550 of 569 Engine stalls after warming up by btonne Aug 14, 2009 (4:24 pm)
96 JGC Lmtd with a little over 200,000 miles on original motor. New computer, fuel pump, fuel filter, water pump, battery, Spark plugs & wires,distributer etc. Did all this before my move from Indiana to Gatlinburg, TN. Jeep drove flawlessly down to TN, the next day my wife and I drive it to the store (about 8 miles away) and notice the engine light is on. On the way back from store jeep starts sputtering like the engine isnt getting gas (starving for gas) and dies. The oil prssr gauge would drop and go back up as motor was stalling and check gauges light came on, all other gauges were fine. After letting it sit about 20 mins I was able to start motor and drive it home. Next day same prob.. So I (not a mchnc by any means) installed new O'2 sensors and a new oil sending unit Changed oil to 10w40. Long story short(sorry) now pretty much same prob minus the oil prssr gauge going all the way down and back up the motor still stalls out after I let it idle for about a hour exactly. Just seems like after warming up it starts to sputter really bad like its not getting any gas(even when you give it the gas to try to keep it running! and dies. wait about 10 mins and it starts back up but dies shortly after. Running out of patience and really dont have the money to take to dealership! Can anyone help?

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