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Professional Automotive Repair Technical Discussions for December 22, 2005 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1996 Buick Skylark Custom 3.1L Speedometer VIN: 1G4NJ52M9T I have tested the speed sensor, is good,(2 wire sensor) ohm tested wires to ecm, there good, replaced dash cluster with known good cluster. Replace ecm and re-flashed. I have no data for wires coming from ecm to dash cluster. Aldata states the wiring goes thru... |
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| 1989 Chevrolet C2500 Cheyenne 5.7L module VIN: 2GCFC24KXK Merry Christmas I have this truck that the brake light was flashing. Code read number 9. a.b.s module problem. Replaced module that was on the side of the master cylinder. No light came back on till customer traveled about 80 kms, then light came back on. Get... |
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| 1993 Chevrolet Lumina APV 3.8L Cuts out, Misfire, MIL Lamp on VIN: 1GNDU6L2PT has intermitent miss stumble under load and around 50 mph under light load. will set code 18 with stumble. can watch cam crank error go from 1 to around 17 to 22 on scanner. Trouble codes: 18 (cam/crank error) |
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| 1994 Chevrolet Astro 4.3L No Start VIN: 1GCDM19Z6R Vehicle came in on tow truck as a no-start. Verified no start. Verified fuel pressure. Verified spark. Both OK. Tested compression, with 165K miles, I thought the chain may be off. Compression OK. I advanced the distributor and it started. Not only did it sta... |
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| 1997 Chevrolet Blazer 4.3L Cuts out, Stall, HARD RESTART-PROLONG VIN: 1GNDT13W3V please help with any info very appreciated. thank you ahead of time and happy holidays. have 97 chevy blazer that has intermittent stalls at idle/just quits---doesn't idle rough just dies. prolonged restart intermitten with long crank.fuel psi is 58 to 62--hav... |
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| 1997 Chevrolet Tahoe 5.7L No Start, Cuts out VIN: 3GNEK18R6V Hi All I have this tahoe that at times will not start. When it is not starting i get no fuel pressure but i can hear the fuel pump running. If i leave it for a while and go back it will start. I changed the fuel as stated in related repair history. Any help wo... |
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| 1999 Chevrolet Cavalier Z24 2.4L battery drain VIN: 1G1JF12T3X We have a battery drain over about 3 days that prevents engine starting. Isolated it to the convience center module, rt side of dash near kick panel. We unplugged all inputs to module and still had battery drain, therefor replaced the module. For 1 week no dra... |
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| 2000 Chevrolet Blazer LS 4.3L Hesitation VIN: 1GNCT18W5Y vehicle came to shop with coolant leak found intake leaking replaced gasket cured leak. after repair car ran sluggish hessitating not shiffting right. found filter to be plugged no change. checked fuel pressure found to be low 35psi +/- dead headed pump good p... |
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| 2001 Chevrolet Silverado 2500 HD 6.0L Front end noise VIN: 1C4C645B34 Got this car in today with a clunk/loose noise in the front end over medium to large size bumps, I inspected the front end(tie rod ends, steering gear, idler arm, ball joints, shocks, bearings, torsion bars, sway bar links and bushings, engine mounts) all are ... |
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| 1990 Geo Tracker 1.6L Poor Idle Quality VIN: 2CNBJ18U3L Hello fellow Techs! This is my own personal vehical. It doesnt bother me to bad but I would like to know what is wrong with it. On start up when it is cold, ( below 50º). When it idols, it goes up to 2500 RPMs then back down to 800 ROMs. It countinues this pat... |
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| 2001 Oldsmobile Alero GLS 3.4L temperature gauge VIN: 1G3NF52E91 need help here, car came in with temp gauge inop or staying on cold all the time. checked coolant temp with scanner coolant temp does does rise normally but gauge reads cold also notice computer is also commanding cooling fans to come on and run constantly. co... |
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| 1996 Pontiac Bonneville SE 3.8L inside temp VIN: 1G2H652K5T customer complained that they had no heat.we put new thermostat in and no change.flushed heater core and complete system no change. installed new rad and same condition was still there. replaced water pump same.themp guage raises to normal level when in garage... |
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| 2001 Pontiac Bonneville SE 3.8L all electrical VIN: 1GZHY54KO2 This car is weird there is no pattern to the problem. What happens is the car wont start and nothing electrical will work and then when you go back to the car after sitting a few minutes the stupid thing will have power and run. Everything is great and it will... |
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| 2002 Pontiac Grand Am SE 3.4L door locks VIN: 1G2NF52E62 This car has a problem with only the driver’s side door locking and unlocking with the switch. The other three doors only unlock with the switch. With the scanner hooked up the line showing idle does change from lock to unlock when using the switch. Everything... |
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| 2002 Pontiac Grand Am SE1 2.2L Misfire, MIL Lamp on VIN: 1G2NF52F32 Hello Techs, Thanks for taking time to read this help message. I have an 02 Grand AM 2.2 ECOTEC that 2-3 ignition coils are not firing. I replaced the solid state ignition coil pack with an AC Delco unit. I still do not have any fire out of 2&3 coil. I have ta... Trouble codes: P0300 |
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| 2003 Pontiac Bonneville SE 3.8L steering wheel VIN: 1G2HX52K23 The steering wheel pops when the car is driven. There is no obvious problems that we can see. I would appreciate any help on how to go about fixing this problem. |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2000 Cadillac DeVille DHS 4.6L MIL Lamp on VIN: 1G6KE57Y7Y WELL FINALLY i'M CALLING THIS ONE FIXED, THANKS TO ALL WHO REPLIED, i STILL SAY IATN IS THE BEST (AND MOST USED) TOOL WE HAVE. ALTHOUGH NO-ONE COULD REALLY TELL ME WHY THE TANK PRESSURE READING WAS SO HIGH, JAY FROM TEXAS SAID NOT TO PUT TOO MUCH CONFIDENCE IN... Trouble codes: P0446. |
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| 1994 Chevrolet K1500 Suburban Silverado 5.7L Hesitation, Cuts out VIN: 1GNFK16K9R hi techs some of the help offered gave me other things to check. the egr valve was a good idea, but even after removing it and blocking off the passages, no change. even blocking off the return line and running full unregulated pressure (28 psi) didn't change ... |
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| 1996 Chevrolet C3500 6.5L No Start VIN: 1GBHC34F4T we found connector by alternator that was crossed thats all it was thanks again all |
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| 1999 Chevrolet K1500 Suburban 5.7L MIL Lamp on VIN: 1GNFK16R0X Thanks again to everyone who responded. I tried using soapy water as Kevin suggested and there was a tiny leak on one of the check valve o-rings on top of the tank and a tiny leak on the sending unit o-ring. I replaced both and the leak is gone. Thanks again t... Trouble codes: 442 (small leak detected). |
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| 2003 Chevrolet Silverado 2500 HD 6.6L No Start VIN: 1GCHK2316F What we found was on the right side of the engine next to the Alternator there is an aluminum bracket that the wireing is tied down to with only plastic tape protecting it. Some wires had warn through there and were shorting to the bracket. Trouble codes: P0335 (Crank Sensor code), U1800 (Loss of cmmunication with the fuel module). |
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| 2005 Chevrolet Silverado 1500 5.3L convert to vin Z VIN: 2GCEK19T85 Basically the concensus was that it is probably cost prohibitive at a minimum and maybe near impossible to do this. We thought naively that possibly a new pcm and a few fuel components might do the trick. The best solution is probably to get a different truck ... |
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| 1995 GMC K1500 Sierra SL 6.5L cruise system VIN: 2GTEK19S35 Vehicle still not fixed, but customer seems to have lost interest for the time being, so no new fixes have been tried. Thanks for the info. |
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| 1998 GMC K1500 Sierra SL 5.7L ABS/ Master cylinder VIN: 1GTEK9R3WR Thanks to all who replied. I tried to blead with the scanner in blead mode. Did not seam to help much. We will replace brakes with GM brakes as soon as holidays are over and we get the finances. For now I will close and will reply at that time. Thanks again! |
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| 2004 Pontiac Vibe 1.8L 3-4 shift VIN: 5Y2SL62824 checked every thing suggested still works the same . i think it is in the transmission . i am going to test drive another car like mine to see if they all work this way. |
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| 1998 Saturn SL1 1.9L computer, trans VIN: 1G8ZH528XW well almost everyone said that i had the wrong trans in car i had a MP7 and i should have had a MP6 trans for the single over head cam engine you guys gave me the info that i needed to finish the job and make the customer a happy camper as for all the codes co... |
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