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Professional Automotive Repair Technical Discussions for April 23, 2009 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1994 Buick Park Avenue 3.8L Anti-Theft Module VIN: 1G4CW5214R Car was towed in after the owner replaced the Ignition Switch because of a no start condition, it still starts and runs for a second or two then dies. I tested his old key circuit at the anti-theft module to have 522 ohms, new key is the same. I pulled the plu... |
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| 1996 Cadillac DeVille Concours 4.6L No Crank VIN: 1G6KF5294T I towed car into shop. Cust. stated dash quit working, but car was still running fine until parked. Car was then a no crank when he tried to start. I have checked all fuses under hood, and all have 12 volts on both sides, same results at trunk fuse panel excep... |
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| 2004 Cadillac XLR 4.6L valve cover gaskets VIN: 1CNDM14564 vehicle has leaking valve cover gaskets, just putting ogether estimate and it calls for 2.4 for lecf side and 12 hrs for right side, what gives?? It appears to have pretty good access just wondering, never done one. Thanks in advance, John [...]. |
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| 1985 Chevrolet C20 Scottsdale 7.4L clutch VIN: 1GCGC24WXF This is my brother in law's truck, it was hard to take it out of gear, so, I thought it was the slave cylinder, I replaced it, but it didn't fix it, so, I replaced the master cylinder too, but to no avail, it seems like if it got air, I tried to purge it in al... |
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| 1986 Chevrolet Camaro Berlinetta 2.8L Cuts out, Misfire VIN: 1G8CT18B6E Greetings to all the wizards of automotive repair. HEELLLPPPP!!! This Blazer has a 2.8 EFI from a Camaro installed. Engine has been in vehicle for more than 5 years. Ran great after install for quite some time. Customer had vehicle towed in after it ran rough ... |
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| 1991 Chevrolet S10 4.3L Poor Idle Quality, high idle VIN: 1GCCS14Z0M IAC goes to 145 in any gear, goes back down in P or N Iac goes to 145 with gear selector un hooked, shifting with screwdriver{ ECM still sees P/N} unpluging tranny does not change anything It is going into closed loop and is not setting any codes |
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| 1993 Chevrolet Lumina APV 3.8L a.b.s. brakes VIN: 1GNDUO6L6P HELLO ALL, CUSTOMER HAS A 1993 CHEVY LUMINA VAN, AND HE STATES UPON COMING TO SLOW SPEEDS, ALMOST TO A STOP THE A.B.S. BRAKES WILL KICK IN, WITH NO A.B.S. LIGHT COMNG ON.COULD THIS BE A PROBLEM OF THE RIGHT FRT BEARING GOING BAD AND TRIGGERING THE SENSOR. (It ... |
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| 1995 Chevrolet Camaro Z28 5.7L Hesitation, Misfire VIN: 2G1FP22P7S Hi everyone, this vehicle came in with a small hesitation on acceleration. from a rolling stop, pressing the pedal light to medium, at about 3000 rpm, holding the pedal in one position the vehicle stops accelerating for about 3-4 seconds then picks back up. we... |
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| 2001 Chevrolet Express 2500 4.3L ABS Electrical VIN: 1GCFG25W31 We use Alldata in our shop and we have followed the flow chart for this code C0237 to the letter, fisrt we found low voltage on the signal wire to the EBCM causing us to replace terminal in C2, after that we had 10 vdc causing us to replace the EBCM per the fl... |
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| 2002 Chevrolet Suburban 2500 LT 6.0L fuel gauge VIN: 3GNGK26U62 initially vehicle came in for no start. failed fuel pump. came back month later said he ran out of gas, but gauge reading full. found fuel sender on front tank stuck in up position. replace fuel pump assembly again eventhough it was miss installed. vehicle ano... |
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| 2003 Chevrolet Impala 3.4L Starting VIN: 2G1WF52E23 i have this car that very intermittantly (once every 2-3 weeks ) will have a no start condition. customer claims that radio locks out and cannot be used and he said once the gauges didnt work. . and veh will not engage starter. after sitting for around an hour... |
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| 2004 Chevrolet Cavalier 2.2L A/C request VIN: 1G1JC52F24 Hey all, thanks for any help you can offer in advance. This car has an issue with A/C request not being acnowledged by the PCM. I have tested all the common problems with this symptom, TPS, Air Temp, Coolant temp, AC pressure switch. I also checked the connect... |
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| 2008 Chevrolet Impala LT 3.9L engine VIN: 2G1WC58388 hey guys i got a problem with this car that came in with engine noise lifter like noise . we checked the oil pressure came out to 38 psi. took it to the local chevy dealer for further diagnoses. dealer recomended tear down of vehicle est of $1200.00. at this p... |
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| 2002 GMC Yukon XL 2500 SLT 6.0L compressor VIN: 3GKGK26G82 compressors are going bad over a few days or months |
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| 2006 Hummer H3 3.5L Starting VIN: 5GTDN13636 Hello iATN Customer brought the vehicle a few days ago, he mentioned that he had washed the engine compartment, with a garden hose at medium pressure. The vehicle arrived, but the engine was stumbleing as if it were mis-fireing, checked for codes, and there w... |
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| 2000 Pontiac Sunfire SE 2.2L front end VIN: 1G2JB5243Y Hi folks: This is my wife's car that we are currently selling. I installed a used engine in it about 3000 miles ago. It had before and also after (the engine swap) a little clunk in the front end over bumps. Since then it has gotten worse and is now so loud it... |
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| 2006 Pontiac G6 GTP 3.9L Replaced BCM VIN: 1G2ZM55166 Used car dealer replaced bcm with a used one. Now of course the odometer reads the bcm mileage. I am not a dealer but I have a tech 2 and candi module. I tried to reprogram the bcm, but it won't allow me. Is it possible to do it with a tech 2 or does it have t... |
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| 2001 Saturn L200 2.2L shift interlock VIN: 1G8JU52F41 Customer couldn't get vehicle out of park. We towed in, tested solonoid and found it to be bad, Ordered solonoid and installed, still can't get it out of park, new solonoid works when commended with tech2. PCM sees signal from brake pedal. We believe the BCM i... |
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| 2006 Saturn Ion-2 2.2L stays running VIN: 1G8AJ55F66 This car came in with the key stuck in the ignition and could not remove. Battery was dead, jump started car. Power steering message was on cluster had no power steering Shut off vehicle and removed key the vehicle stayed running. All the gauges, tac and light... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2001 Buick Regal LS 3.8L Steering VIN: 2G4WB52K4X Well this falls under the (You learn something new everyday) Jeff and Ryan nailed it, it turned out to be the starter gear, we would have never found or figured that out, we chased everything else. Again, IATN saved us many long hous of diag time. Thanks again... |
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| 1994 Cadillac DeVille 4.9L Poor Idle Quality, Surge, Stall VIN: 1G6KD52B1R THIS CARS RUNS BETTER THAN EVER. THE EGR PORTS WERE PLUGGED WHICH STARTED THE PROBLEM I BELIEVE. THEN I SET THE IDLE MOTOR AND THE TPS WITH THE HELP OF EVERYONE. THIS WAS NOT EASY IT TOOK SEVERAL TIMES BUT FINNALY WORKED. THE CUSTOMER STATED THE CAR HAS NEVER ... Trouble codes: E085 (idle thr angle high). |
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| 2002 Cadillac DeVille 4.6L air bag VIN: 1G6KD54Y12 Thanks to all that helped, It has been about 30 days and the light is off yet. To repair I double checked the seat connectors and pulled the console and replaced the SDM. I could find no logical reason for a failure, No water intrusion or wire damage?, All ... |
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| 1992 Chevrolet S10 2.8L Excessive Emissions, Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire, Poor Fuel Economy VIN: 1GCCS14R1N Sorry for delay,I think the vehicle jumped time but customer declined any repairs because vehicle was not worth putting any more money into it. |
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| 1993 Chevrolet C2500 Suburban Silverado 7.4L axle VIN: 1GNGC26N6P Howdy again, We took the drums off and ran it and it still vibrated, but the left rear hub looked egg shaped, and indeed, it had about 1/8 in runout at the hub near the seal and the flange was all over the place, the other side looked smooth so we replaced the... |
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| 1999 Chevrolet Cavalier 2.2L No Start VIN: 1G1JC524XX Thanks to all. Have not identified the cause as yet but asked cust to drive and take careful notes on all conditions. Cust returned with a 2 page report. Seems they drive 1 mile and turn off, let sit for 1 hour, will not restart. If sits for 4 hours, will ... |
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| 2000 Chevrolet Cavalier 2.2L rear brakes VIN: 1G1JC5244Y We did not get a chance to fix this car as the owner decided to return to the place that messed it up to start with. A big thanks to all the great help that was given. I'm sure one fix tip hit the nail on the head. The aftermarket brake shoes did not have the ... |
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| 2001 Chevrolet Impala 3.4L turn signals VIN: 2G1WF55E21 I installed multi-function switch. Problem solved. Thanks to all who responded. Jerry |
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| 2002 Chevrolet Malibu 3.1L No Start VIN: 1G1ND52J52 The solution was the ignition switch passlock and tumble assembly, though the first learn ended in a no start after, second learn is good since. After first learn though procedure says to do it three times, never usually had problem without doing it again as s... Trouble codes: B2965, B2960. |
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| 2004 Chevrolet Express 1500 4.3L Mechanical VIN: 1GCFG15X54 Eric in Calif. is da MAN!!! I was leaning at the booster but had no great test for it,Eric did!! I checked for complete release of the pedal as some of you suggested, all was good. Started the truck and checked for wheel lock up and it turned freely. Ran the t... |
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| 2005 Chevrolet Silverado 1500 4.3L abs sensors VIN: 1GCEC19X65 THE CUSTOMER HAS NOT BEEN ABLE TO BRING TRUCK BACK YET BUT I FEEL CONFIDENT WE HAVE THE FIX. EVERYONE HAS TALKED ABOUT THE RUST BUILD UP UNDER THE ABS SENSOR. WHEN I REMOVED THE SENSOR ON THE OTHER SIDE I NOTICED THIS BUT DIDNT WORRY ABOUT IT BECAUSE THE SENSO... |
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| 1997 Geo Metro LSi 1.3L convertor VIN: 2C1MR5294V Thanks for responding to my problem with my big block metro. I told my customer to keep it off the e-ways and It'll last longer. It sure could use another gear. There is no lock-up. It's simply geared low for "more power". Thank's again for your interest. Dave |
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| 2002 Oldsmobile Alero GL 3.4L passlock2 bcm VIN: 1G3NL52E52 Howdy again, I will be replacing the bcm and the lock cyinder and ignition switch next month when she can pay for it. The car will sit here until then, it still always starts but sets passkey codes. I think that maybe the car was near a lightening strike whic... |
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