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Prev Professional Automotive Repair Technical Discussions for July 20, 2011
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(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for GM
Help Request Answers
2002 Buick Rendezvous CX 3.4L Unknown VIN: 3G5DB03E22
Hello everyone, hopefully everyone is staying cooler than we are. This Rendezvous arrived for an oil change a couple of weeks ago. The customer just returned complaining that the vehicle stutters and revs up to 5K rpm. We've road tested this vehicle and scanne...
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1994 Chevrolet S10 4.3L No Start, Stall VIN: 1GCCS19W7R
1994 chev s/10, came in with stalling problems, customer says that it was at another shop getting fuel pump replace 2 weeks ago, seems to have fixed the problem until now, we have spark and fuel pressure at 55 psi, we replaced fuel pump and got 59 psi but same...
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1995 Chevrolet Corvette 5.7L Fuel injector pulse VIN: 1G1YY218XK
This one has me puzzled. Car has been sitting for a long time (8 months). Customer said it ran good until he put an aftermarket throttle body on it, which is when it would not start. Initially, the security light would come on for 2 seconds, then shut off (Key...
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2004 Chevrolet Suburban 1500 Z71 5.3L Service 4 Wheel Drive message VIN: 3GNFK16Z84
Customer stated that sometimes the Service 4 Wheel Drive message would display in the message center and sometimes the transfer case switch would be in a different gear when restarting the truck. Sometimes the neutral light would be lit even though the truck w...
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2008 GMC Yukon SLT 5.3L Surge, Cuts out, Misfire VIN: 1GKFK130X8
Vehicle came in running fine, however customer complained of vehicle running rough and dying. Customer had vehicle at dealership where they replaced Fuel Volume balance module and reflash PCM. Problem is re-occuring, but is intermittent. Pulled codes and had P... Trouble codes: P0171, P0174, P0300
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1995 Oldsmobile Aurora 4.0L Poor Idle Quality, Surge, MIL Lamp on VIN: 1G3GR62C0S
Thank you for your time..The problem is went cruising down the road and you let off gas pedal it keeps going. I have heard some call this sail on, and have seen it before and an idle relearn has fixed the problems in the pass, but I can NOT get this car to com... Trouble codes: 80 (TP Sensor / idle learn incomplete)
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1996 Oldsmobile 88 Royale 3.8L Hesitation, MIL Lamp on VIN: 1G3HN52K4T
Car has intermittent code P0102. Right now it is consistently occurring. We replaced the mass air flow sensor with a Delco rebuilt. MAF Hertz reading on scantool is mostly showing zero. However if I check the reading right at the computer on the MAF signal wir... Trouble codes: P0102
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2001 Pontiac Aztek 3.4L gauges VIN: 3G7DA0311S
i have a ton of codes po122 tp sensor,po452 fueltank sensor,po462 fuel level sensor,p1635, 5 volt reference lost. this car has a intermitted no crank. when it does not crank and start gauges are not working and service soon light blinks. also security light on...
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2007 Saturn Ion-2 2.2L MIL Lamp on VIN: 1G8AJ55F77
Check engine light on. Used Snap On Solus and get code P0315. CKP system not learned. Can not find info on how to do the relearn. Try to clear the code with Solus but the light stays on. Can somebody tell me how to do the relearn? Trouble codes: P0315
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Fixes & Summaries for GM
Fix/Summary Answers
2000 Cadillac DeVille 4.6L Starter VIN: 1G6KD54YXY
Thanks to all that replied, It was the security system, Turned key on for 10 min and off and back on three times and it took care of it. THANKS FOR ALL THE HELP!!!
12
2005 Cadillac SRX 3.6L onstar VIN: 1GYEE63755
Thanks for the help, srx not yet repaired, the owner is too busy.
7
1999 Chevrolet K1500 Suburban 5.7L hard shift when warm VIN: 1GNFK16R3X
THANKYOU TRANSMISSION GODS!!! i have learned a lot from all of you about this style of transmission and others. I just did a 900 mile tow with the vehicle and kept it in 3 rd only, no overdrive' ran like a champ and as soon as we put it into overdrive again th...
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1999 Chevrolet P30 5.7L Hesitation VIN: 1GBHP32R1X
CHECHED THE MASS AIR FLOW SENSOR AND FOUNDED THAT IT WAS NOT WORKING ALL THE TIME REMOVED AND REPLACED IT IS WORKING WRIGHT NOW THANKS FOR ALL YOUR HELP OUT THERE. FROM JONH AND DAVE FROM MAULES AUTOSERVICE.
8
2009 Chevrolet HHR LS 2.2L Air bag light VIN: 3GNCA53V79
You were all correct, needed to be programmed, Thanks a lot!
9
2000 GMC Sonoma SL 2.2L Clutch Problem VIN: 1GTCS1459Y
Thanks to all that supplied input. Well I think the problem with this one is fixed but I can't tell you exactly what did it. I replaced the master cylinder, slave and line between them with OEM parts and the vehicle has been gone now for two weeks and have not...
15
2004 GMC Sierra 2500 HD 6.6L Poor Idle Quality, Hesitation, MIL Lamp on VIN: 1GTHK29294
Well I am going to go ahead and call this fixed. I've left this help request open just so I had enough time to follow up with the owner. So far, so good. As I mentioned, I did pull back the harness at the alternator bracket per the TSB and found nothing. I did... Trouble codes: P0202 (2 Injector Drive Fault), P2149 (Injector Positive Voltage Relay Control Circuit Group 2), P0671 (Glow Plug 1 Control Circuit).
7
2006 GMC C4500 Topkick C4V042 6.6L Excessive Emissions VIN: 1GDE4E3216
i got the vehicle back after they had used it for serveral more weeks, now when your up to speed it seems to smoke also, not just on acceleration, this time at idle in drive cylinders 3 and 5 are both -4.0mm for balance rates, so i drove it with those injector...
6
1989 Oldsmobile Cutlass Ciera 2.8L No Start, Stall VIN: 2G3AM51W5K
thanks for all that helped the winner was who ever said injectors are shorted. there was one injector in each bank that showed about 2 ohms while the rest showed 12.4 i put in 2 new ones and the car runs like new thanks again
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