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Professional Automotive Repair Technical Discussions for February 5, 2004 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1991 Buick Roadmaster Estate Wagon 5.0L Stall, Misfire, backfires randomly VIN: 1G4BR83E2M I got this turd yesterday with this as the background: the car was running great they took it to there aunt`s funeral where it died and hasn`t been able to be started. shop before us put a new coil,distributer,fuel pump, trying to get it running. I got it ru... |
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| 1999 Buick Century Custom 3.1L Air bags VIN: 2G4WS52M2X After replacing BCM we had a air bag light appear. It is comeing up with a code B1001, claiming a mismatch of info, but we did not replace SDM and Vin #'s match. Has anyone run across this problem? We checked and cleared code with Tech 2 and code pops back eme... |
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| 1978 Chevrolet Malibu 5.0L No Start VIN: XXXXXXXXXX Burns dist. rotor or module every 1 or 2 months |
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| 1990 Chevrolet Lumina APV 3.1L battery VIN: 1GNCU0603L we are the 3rd shopto recieve this vehicle with the same problem, the new alternator is putting out and the battery load tested fine every time that it has been recarged, thanks for any and all replys. Fred |
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| 1991 Chevrolet K1500 Cheyenne 5.7L flywheel VIN: 1GCDK14K9M Thank you for your time, During enguagment, teeth are knocked off flywheel. Shimed to spec, and have tried tightening spec and loosening spec ( more or less shim ) and each time within 4-5 starts a couple of teeth are removed. I've now ruined 3 flywheels. I'v... |
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| 1996 Chevrolet Monte Carlo Z34 3.4L Mechanical VIN: 2G1WX12X9T Vehicle came in as a no start as it has been -40F here as of late. Cust had flooded vehicle. Brought into shop and cranked over, sounded like no compression. Pulled front plugs and were fuel fouled. Cranked over to remove excess fuel and let sit for a while. T... |
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| 1998 Chevrolet S10 LS 4.3L instrument cluster VIN: 1GCDT19X9W Hello ,I have 1998 s-10 that was brought in for an inop blower,as the customer was driving in her fuel guage dropped to empty,battery light came on "the gauge read 14v" and the prdnl went blank.The vehicle was taken to a freind of mine to look at the system wi... |
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| 1998 Chevrolet Cavalier Z24 2.4L Poor Idle Quality, Cuts out, Misfire, MIL Lamp on VIN: 1G1JF12TXW OK GUYS HERE WE GO AGAIN, THIS CAR CAME IN ON THE HOOK, IT WILL START AND RUN ,BUT ACTS LIKE IT IS FLOODED. IT SEEMS TO BE RUNNING ON 2 CYL. AND MY OTC GENISYS CONFIRMS #2&4 CYLINDERS MISFIREING ALWAYS, WE HAVE SWITCHED COILS,INJECTORS,PLUGS,HAVE NOID AT ALL C... Trouble codes: P0300 |
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| 1999 Chevrolet Tracker 1.6L 4x4 air actuator pump VIN: 2CNBJ13C7X this 4x4 system uses air compressor to engage the front differential for 4 wheel drive my 4x4 light in the dash works after i removed switch and held plunger in by hand there was no check ball under plunger as is required any way when manually holding switch i... |
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| 1999 Chevrolet S10 2.2L Surge, Misfire VIN: 1GCCS1441X This vehicle seems to have a "trailer towing" type of miss that is only noticed at 2200 RPM to approx. 3000 RPM and under moderate accel. When under hard accel. eng. runs great. Has good idle. Being a standard trans. it is difficult to "load" while in shop. Ha... Trouble codes: P0463 (Fuel level sensor) |
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| 2001 GMC Jimmy SLE 4.3L Poor Fuel Economy, MIL Lamp on VIN: 1GKDT13WX2 Customer complaint is poor fuel consumption. Aprox 300 KM per tank. Repeated code PO440 (Evap emmision control system malfunction) Customer recently moved from Ontario and fuel economy worsened along trip. We were wondering if the problem with the CPI leakage ... Trouble codes: P0440 |
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| 2003 GMC Sierra 3500 6.6L Fuel Gauge VIN: 1GDJC34123 Hello I would like some help on the fuel gauge inop at times. The gauge will show empty when tanks are fuel. This vehicle has a front and rear fuel tanks. Then if you start the vehicle the gauge will start to work. I know that the ECM controls the reading from... |
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| 1990 Oldsmobile Toronado 3.8L Dash display/climate control VIN: 1G3EU13CXL When I got this headache I began with the normal circuit checks from GM trouble tree. IPC power and grounds good. I decided to check behind the tech that installed the ABS assembly to make sure nothing was left loose under the dash. As I inspected the wiring t... |
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| 1997 Oldsmobile Aurora 4.0L MIL Lamp on VIN: 1G3GR62C8V Light came back on, checked voltage and monitored sensors, all appear to be working find, checked wirrring harness for mass flow to firewall wirring loom. (wiglle test 0.00 ohms)no short found. Found fuel pressure regulator has fuel in vaccuum line. Replaced f... Trouble codes: P0101 |
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| 1998 Oldsmobile Cutlass GLS 3.1L Misfire VIN: 1G3NG52MXW vehicle has no power. Runs as if convertor is clogged. Disconnected exhaust No change. Inspected fuel filter,checked fuel pressure. misfire code present on all cylinders . Any help would be appreciated |
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| 1996 Pontiac Grand Am GT 2.4L Camshaft/ Power steering pump VIN: 1G2NW12TJT One of my tech replaced a water outlet under the power steering pump. He removed and replace the pump while not removing the hoses. When finished the pump would not pump. It apears that the pump is not going into the camshaft far enough. We have tried another ... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1989 Buick LeSabre Custom 3.8L No Start VIN: 1G4HP54C7K most everyone said the ignition coil and thats what it was,the coil tested on one coil 17000 ohms the next set was at 193000 ohms the last set was open,some others said module,crank sensor,water in computer,low fuel pressure,thanks for all the help |
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| 1997 Cadillac DeVille d'Elegance 4.6L Unknown VIN: 1G6KE54Y8V Well after spending more time on it than both of us had wanted, I suggested sending it to the dealer. Most had said to wait for a timeout which I did but I never saw the drop. Maybe I didn't wait long enough 1/2Hour? But it is out of my hair. Thanks for the su... |
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| 1993 Chevrolet Lumina APV 3.1L cooling system VIN: 1GNDU06D5P Wow tons of replies. the cure was to install a delco stat but I added a 1/8 drill hole to it and all is well. I think this thing has a pinhole somewhere and is sucking air when it cools. It then has an air pocket when cold starts. Thus the overheat cold. I'm c... |
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| 2002 Chevrolet Silverado 1500 4.3L Misfire VIN: 1GCEC14W12 thanks for everybodys help there is a tech service bullitin to fix the problem with the ac line leaking on the cap and cleaned out the screens at the distributer base its been a few weeks now and everything is good to go thanks again Trouble codes: P0300. |
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| 1995 GMC K1500 Suburban SLE 5.7L Transmission VIN: 1GKFK16K8S I'd like to thank all those who responded to my post. After 2 transmissions and going thru the valve body & electronics twice, We have isolated and open circuit on the Tranfer Case switch circuit which feeds pin F8 of the PCM a 12V signal. What was happening i... |
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| 1990 Oldsmobile Cutlass Supreme International 3.1L no power VIN: 1G3WR54T9L yes yes yes, how great thou art. It is fixed. Thank you all. Steve [...] mentioned that each bank of injectors has its own fuse and the car would still run because its every other one in firing order. Found a broken hot wire between computer and injectors 2-4-... Trouble codes: 33 (map sen.). |
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| 1989 Pontiac Sunbird LE 2.0L cooant reservoir VIN: 1XM35RCK1J The hidden radiator cap was the fix. Had to remove the battery to find it. Car works great now |
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| 1993 Saturn SL2 1.9L Automatic seat belt VIN: 1G8ZK5573P The seat belt module located between the front seats was the cause of the seat belt mouse not going to the lock position when the door was closed.The module was cracked and soda pop and coffee, along with popcorn, ju ju bees and lord knowns what else was on an... |
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