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GMC Yukon Start Stall Idle Problems

48 messages,  Last post on Sep 17, 2009 at 12:59 PM

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What is this discussion about? GMC Yukon, GMC Yukon Denali, GMC Yukon XL, SUV

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#20 of 48 02 Yukon XL stutters and stalls by yetirider Feb 27, 2009 (8:24 am)
Last summer my 02 yukon XL died while my wife was driving, she said it would lose power, and die, it restarted a couple of time, drive for a few miles, the same thing. we replaced the fuel filter, and got it home, test fuel pressure, all seemed okay. My daughter drove it for a week, on a trip, and it did it one time when she got back to town, stalled, restarted, got home, and no problem since, until yesterday, did the same thing, power lose, then dies, happened about 6 times, but she got home. Any ideas? Replies to this message: rsht (Mar 01, 2009 7:29 am) rcortez (Jul 14, 2009 6:27 pm) coach17 (Jul 20, 2009 6:45 am) rcortez (Jul 20, 2009 7:14 pm) coach17 (Aug 01, 2009 5:28 pm) fongerelli (Aug 01, 2009 6:16 pm)
#21 of 48 Re: 02 Yukon XL stutters and stalls [yetirider] by rsht Mar 01, 2009 (7:29 am)
Replying to: yetirider (Feb 27, 2009 8:24 am) Possibly moisture in the system...
#22 of 48 Re: GMC Yukon Won't Start [jmuncan] by heazzz Mar 07, 2009 (1:41 pm)
Replying to: jmuncan (Sep 15, 2008 6:55 pm) I have a 2003 and I found the crankshaft positioning sensor was bad it is behind the starter on the passenger side - drop the starter and you can get to it thru the wheel well -Good luck
#23 of 48 Re: Starting problems [qness] by djtwisted Mar 13, 2009 (6:50 am)
Replying to: qness (Feb 24, 2008 7:29 pm) I have a similar issue with my vechicle not starting. Through research i have found out that when i replaced the fuel pump my vechicle started right up with no issues. For some reason GM fuel pumps only last about 100,000 miles. This has fixed one of my many problems i hope this helps you. Replies to this message: zzxxyy2 (Sep 16, 2009 10:13 am)
#24 of 48 00Yukon XL by jmorehouse Mar 23, 2009 (6:21 pm)
120k mi hard to start, rough idle, fouled plugs. Dealer says bad injectors. I replaced all injectors, no change. Cold start good. I just don't know what to do next. Plugs, wires, injectors, fuel filter, air filter all changed. Help? Replies to this message: rsht (Mar 24, 2009 7:00 am)
#25 of 48 Re: 00Yukon XL [jmorehouse] by rsht Mar 24, 2009 (7:00 am)
Replying to: jmorehouse (Mar 23, 2009 6:21 pm) Have you checked the vacuum lines for any possible leak?
#26 of 48 Re: 99 Yukon wont crank [slywuf] by emart1 Mar 29, 2009 (4:22 pm)
Replying to: slywuf (May 04, 2008 7:21 pm) have you had any luck ...I'm having the same problem with 99 GMC yucon ( emart401msn.com) I kind of think its in the security system...
#27 of 48 Re: '02 Yukon Denali [popo111] by fongerelli Apr 24, 2009 (3:50 pm)
Replying to: popo111 (Apr 27, 2008 10:53 am) Your idle problem could be a clog throttle body and /or IAC (Idle Air Control)valve. If you have a Vortex motor (V-8), this might likely be the problem especially if you have not had your IAC changed out or your throttle body cleaned. Let me know if this works for you.
#28 of 48 Adjusting the arms on my autoride to get more heigth? by fongerelli Apr 24, 2009 (3:54 pm)
I looked at the arm of the sensor on the body and where it touches the frame, and I'm looking at the shaft (plastic with no adjustment to it) but yet the manual saids that it is adjustable? What can I do without altering it like mounting a bracket on it to go higher? Anyone know or know of anyone doing this with their autoride?   Help!

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