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Professional Automotive Repair Technical Discussions for November 2, 2006 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1999 Buick Regal LS 3.8L Surge VIN: 2G4WB52KXX Vehicle has a surge or bucking going up a long steady hill, not a misfire, but a strong surge that you can usually power through by more pedal pressure. long term fuel trim and short term fuel trim show +4 and -3 respectively, fuel pressure remains 50 psi. Hav... |
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| 1994 Cadillac Seville STS 4.6L Charging VIN: 1G6KY5295R this cad came in not charging, replaced alt. still not charging. this alt has only one wire, it is the hot wire coming from the battery and it does have 12v on it.there are no wires going to the reg. plug. The old alt. has silicone in the term. hole where you ... |
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| 1989 Chevrolet S10 Blazer 4.3L radio, dome lights, dash lights VIN: 1GNCT1821K I'm having some wierd electrical problems. Earlier this summer this malady started. When you open the doors, the radio forgets what station you have tuned. It is a stock radio and it worked great up until then. If I open the doors while it's running it also ha... |
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| 1999 Chevrolet C2500 5.7L Hesitation VIN: 1GCGC23R0X thanks for the help in advance.i am posting this for my coworker he just bought this truck at a used car lot thinking it just needed a tune up .it runs good until closed loop takes over and then it feels like it has a miss in it and it hesitates. sumtimes we h... |
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| 1999 GMC Savana 1500 5.0L waterpump VIN: 1GTFG15M5X the van came in with antifreeze coming out the waterpump weepage hole outlet .changed waterpump &stat. refilled ran and purged .let run 2 hrs double checked everything.2 days later its back in with antifreeze coming out from the block and waterpump. replaced g... |
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| 1999 GMC Sierra 2500 SL 5.3L Cuts out, Stall VIN: 1GTFC24T7X Vehicle has not acted up for me yet, driven in all conditions. Customer says when hot, slowing down will stall unless he puts shifter in neutral and holds feeder higher than idle position. Intermittent, seems worse when wet weather. I have done a motorvac, rep... |
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| 2000 GMC Yukon SLE 5.3L Poor Idle Quality VIN: 1GKEC13TOY This Yukon will idle at about 500-600 rpm, stumble a little then pick up to around 950 rpm's. Customer has complained of an intermittent dieing problem. I performed all above repairs as he had never done any maintenance on the vehicle since he bought it new. I... |
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| 2005 GMC Yukon XL 1500 SLT 5.3L Electronic VIN: 1GKFK16Z05 owner complaint speedometer will stick be 60 and 70 mph while driving we check sensors at trans housing scan for dtc (only code po157 o2 sensor low voltage ) this is chauffer driven week days owner drive weekend to country ( manahtten ny to upstate aprox 60 mi... |
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| 2001 Oldsmobile Aurora 4.0L magna steer VIN: 1G3GS64C31 I have a customer that is complaining about the steering being too hard on her 2001 Aurora with a 4.0 "C" engine. This car has "magnasteer" where it uses magnatism instead of p/s pressures to change the amount of assist. I have duplicated it a couple of time... |
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| 1997 Pontiac Sunfire SE 2.2L Bleeding VIN: 1G2JB1243T Did front pads and rotors. Brake flush, no problems. Went to bleed and got nothing. Replaced master cylinder still no pressure. ABS unit you think? I hope not... Any help is appreciated. Thanks |
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| 2001 Pontiac Bonneville SE 3.8L Poor Idle Quality, MIL Lamp on VIN: 1G2HX54K01 Code will reset after a couple of days. 20 to 75 miles. Sensor looks good on the scan tool. Customer complaint of poor or rolling idle at stop lights. Very infrequent and have not been able to confirm idle problem. Any info appreciated, Thanks Nick {Vehcile is... Trouble codes: P0135 |
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| 2002 Pontiac Grand Prix GT 3.8L ABS light on VIN: 1G2WP12K82 replaced right front wheel speed sensor for code C0040 rf speed sensor. cleared code and customer picked up vehicle. Now 2 months later same code and also a C0041 code for rf speed sensor circuit range /perf. ebcm ? tested sensors on scanner no known glitches ... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2002 Buick Century Custom 3.1L headlights VIN: 2G4WS52J22 Hi Group, We got this car fixed.Found out also that when this happens,the dash lights do stay on & the multifunction switch does not click all the time.So the multi. switch was replaced.Had 9 replies.Thanks Tony [...]... |
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| 1999 Cadillac Seville STS 4.6L Poor Idle Quality, MIL Lamp on, high idle VIN: 1G6KY5499X eric was right tech just found the throttle body gasket was installed backward..Thanks for the help Trouble codes: P0507. |
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| 1988 Chevrolet S10 Blazer Sport 2.8L Cuts out, Misfire, MIL Lamp on VIN: 1GNCS18R4J Sorry for delay.We found loose timing chain,we didn't check the distributor shaft but we found bad connectors at the pick up coil.Customer refused the repairs.Thanks for the great information. Trouble codes: 45 (rich exhaust). |
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| 1995 Chevrolet K1500 Cheyenne 5.7L 2-3 and 3-4 shift VIN: 1GCEK14K7S Thanks for the replies guys, but I haven't heard back from the customer yet so I haven't repaired the truck. I think it has internal problems , and if it shows back up at my shop I will let you all know what i find. Once again thanks for you guys help. |
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| 1996 Chevrolet Lumina 3.1L MIL Lamp on VIN: 2G1WL52M1T Thanks to the 14 replies I received in 12 hours. Was indeed an ECM, replaced & programmed it inhouse from an online site, watched with pleasure as the temp reading climbed smoothly past 120 F to normal op temp! Trouble codes: P0117. |
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| 2002 GMC Envoy XL SLE 4.2L Drive-axles VIN: 1GKET16S12 Because this problem is intermittent and does not happen often, the customer has decided to wait with repairs, so I will wait for him to return. Thanks to the guys who gave some help for the future |
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| 1988 Oldsmobile 98 Regency Brougham 3.8L engine rocks on mounts when shifted to reverse VIN: 1G3CW51C8J Hi folks, I was unable to fix this; although it is a cream puff she did not want to spend anything like it was going to take to fix it. Several of you suggested that the mounts could be the problem as I did not use factory mounts. I think that that this could ... |
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| 1995 Oldsmobile Aurora 4.0L highidleharshshift VIN: 1G3GR62C3S Thank you for the replies. Randall from Texas was right, the fix was replacing the pcm again. I actually tried 2 bluestreak reman pcms getting different problems with each. I wasted a lot of time chasing after this 'reman pcm' problem. I tore the vehicle apart... |
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