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SUVs Jeep Cherokee and Jeep Grand Cherokee Jeep Grand Cherokee Start Stall Idle Problems
589 messages, Last post on Nov 26, 2009 at 4:03 PM
You are in the Jeep Cherokee and Jeep Grand Cherokee Forum. Your Hosts are steve_ & tidester
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Replying to: lunghd (Feb 07, 2007 3:55 pm) again, thanks so much for being here and your willingness to help out. i have been at my wits end with this problem for so long......fingers crossed!
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Glad to help! Just hoping that this is the source of your problems - the symptoms fit but I've been wrong before. Either way - under $5 & you help eliminate this as a cause. Forgot to mention but I highlighted the areas to look for in yellow on the diagrams. Your Grand Cherokee's engine is a newer version of the one in my standard XJ model Cherokee but we can treat it the same for this problem. Grand Cherokees I've seen do have that ground strap as described but if your engine has been pulled / replaced / serviced in the past it may have been removed and not reinstalled... Or I may be all wet and yours will have the same standard black insulated wire as mine!  Either way - this ground wire causes so many erratic issues that drive people nuts it isn't funny. Should have been a factory recall item for correction. |
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Replying to: melina3 (Feb 07, 2007 4:07 pm) |
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Ok - you can still use that dipstick bolt & run the cable from there to that bolt on the firewall with nothing connected to it. The grounds that connect to the dipstick tube/motor must be left connected - they are harness grounds, but you can just add the new cable right to the same point if you'd like. Evidently, your OEM ground strap has been removed when the engine was worked on. It may even be hanging down behind the motor and still connected to the harness so do a quick check for that. (I've also seen them just ripped off and left hanging torn by mechanics who think the motor mounts will ground the motor properly. NOT! ) HTH Feel free to access my mail form on my website and email me directly - I can give you guys my Yahoo name & I can walk you through it online. A link to mail me is on every tech page. Link to my site: Another Freakin' Jeep Cherokee Website
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Replying to: lunghd (Feb 07, 2007 4:38 pm)
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Replying to: melina3 (Feb 07, 2007 5:11 pm) anyway, the cable is now connected to the engine/oil dipstick mount/ground and to the bolt sticking out from the dash. and i started it up and it still seems a bit rough and idle unstable. but we will see about the stalling tomorrow. if so, i will be asking what next...you mentioned another cable running to the battery before? thanks again...i will keep you posted.
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Replying to: lunghd (Feb 07, 2007 4:38 pm) Members can access your email address right here if you set your email address to "visible" in your user profile. You can also use your CarSpace. tidester, host
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Replying to: tidester (Feb 07, 2007 7:30 pm) |
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Replying to: melina3 (Feb 07, 2007 7:07 pm) I don't have a Grand Cherokee FSM ( factory service manual ) so I cannot verify the firewall ground point in the center... It may be there BUT when I personally helped someone with a Grand fix this I recall the cable ran to the driver side of the firewall. (Again - that Grand had a factory installed flat, braided ground strap.) Is there a threaded hole in the location I described? Or an empty one nearby that looks like it may had a bolt in it at one time? If you used a bolt that had a painted area beneath it - you should ensure that there is good metal to metal contact. (We don't want to sand off all the paint... only a small area DIRECTLY beneath the cable terminal) What about your gages & other erratic behavior? Was there any change in the other symptoms? (Idle issues with these engines area also common - usually vacuum leaks etc...) Has it thrown any codes / check engine light staying on? (You can get a free code scan at your local AutoZone.) We'll keep at it until I run out of cheap/free ideas!
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Replying to: lunghd (Feb 08, 2007 6:07 am) no check engine light, no codes, as usual. so i will try scraping the connection a bit more, it was dark last night when we did this and probably didn't do a great job. by the way, i don't have any vaccum leaks at all. so we can rule that out. what about the battery cables and ground?
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