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Professional Automotive Repair Technical Discussions for June 8, 2005 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1987 Buick Electra Park Avenue 3.8L Starting VIN: 1G4CW5138H This is a tough one. I have seen one similar case here that was closed w/o fix. I guess I don't die easy. I have an 87 Electra Park Avenue 3.8 turns over strong but won't start. We did extensive testing on grounds,fuel pressure,coils resistence, and wiring app... |
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| 1988 Buick Electra Park Avenue 3.8L No Start, Stall VIN: 1G4CW51C1J Has spark, injector pulse, fuel pressure. TP, Cam and Crank sensor signels look ok. Will start run for 30-40 seconds and then die. Unplugged MAF and will start and run as long as unplugged. Replaced MAF, same problem, will run without MAF connector installed. ... |
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| 1995 Cadillac DeVille 4.9L No Start, Stall VIN: 1G6KD52B4S tHIS CAR HAS HAD THIS PROBLEM AS AN INTERMITTANT PROBLEM FOR QUITE SOMETIMES, eVERYTIME WE START DIAGNOSTICS ON IT IT ALWAYS RUNS SO CAN NOT FIND WHERE THE PROBLEM LIES. WE HAVE GONE THROUGH THE FLOW CHART ON THIS CODE A NUMBER OF TIMES WITH NO FLAW, BUT SINC... Trouble codes: 53 (loss of ditributor signal) |
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| 1995 Cadillac DeVille 4.9L sss VIN: 1G6KD52B7S hi guys i have a service ride control message on all times. perfrom code i039 chart and it led me to replace the ride control module. replaced module still have the same problem. guys i did everything i could. and even look for the lateral switch and could not... |
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| 1997 Cadillac Seville SLS 4.6L Poor Fuel Economy VIN: 1G6KS52YXV HELP!!! Everything seems to be right about this car other than a significant drop in fuel milage. Car runs great, idles great, has plenty of power, has no codes, it just isn't getting the fuel mileage that it once was. Fuel economy has dropped from around 28 m... |
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| 1996 Chevrolet K3500 Cheyenne 7.4L Cracked Bellhousing VIN: 1GCHK34J8T Has Anyone heard of repeat bellhousing Breakage - local chevrolet dealer said there are no updates & haven't heard of problem. this customer does concrete work & babies his truck ( 1st clutch @ 180,000 ) It cracks down LH side near slave cyl hole. does anyone ... |
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| 1997 Chevrolet Camaro 3.8L Misfire VIN: 2G1FP32K1V This car has a miss on cyl#4 under load, always. I have swapped plug, wire & Injector with cyl#2. The miss stays with #4. I have gone around the intake with acetylene and there is no change. It is usually around 1800 RPM, right when the convertor can't take an... Trouble codes: P0300 (Random Cylinder Misfire) |
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| 2000 Chevrolet S10 4.3L Heater core VIN: 1GCDT14W3Y Hello GM Techs, We have a 00 s-10 pick up that needs a heater core, & mitchells says it comes out the front in engine compartment, Is there any one who has changed one yet & could give us a few tips. Thanks Brian |
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| 2002 Chevrolet Suburban 1500 LT 5.3L transfer case VIN: 1GNFK16Z42 the transfer case will not shift into 2 whl dr, if you press the button for 2 whl dr you can hear the change motor cycle back and forth then the transfer case defaults to 4 hi. you have to shut the engine off & start over by pushing the auto 4whd button. the r... |
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| 2005 Chevrolet Silverado 1500 LS 5.3L transmission? VIN: 2GCEK13T55 this truck is a new silverado with a 5.3 and a 410 differential with heavy duty trailering package. it has a 8400 pound trailer hauling capacity. I recently hauled our trailer a long distance,its total weight is about 7500 pounds.Every time we stopped for 15 t... |
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| 2003 Hummer H2 6.0L comp Help a/c techs,customers h2 came to shop with no a/c working.Hooked up gauges and system was empty,pressured up and found compressor leaking.Called customer told compressor was out they said fix it and this is where all heck broke loose.Thought this would be a... |
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| 2000 Oldsmobile Intrigue GL 3.5L cruise control VIN: 1G3WS52H0Y I suspect engine computer. Would like second opinion. Anyone else experience this problem? |
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| 1989 Pontiac Grand Am LE 2.3L engine oil VIN: 1G2NE14D1L I'm sure someone has had this problem before. So waiting holding my breath, and I thank you for you help in advance. Dave [...]. Guadalajara Mexico |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1994 Chevrolet Cavalier RS 2.2L code 27 thanks to all who replied. louie told me to start ohming the things in the loop. seth said it was the egr or canister purge, so thats where i started since i already replaced the tcc for the stalling.the egr moved freely, had vacuum to it and held vacuum with ... |
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| 1995 Chevrolet K1500 Suburban 5.7L abs VIN: 1GKFK15K4S We found a bad brake switch, it wasn't closing all the way. I don't know what caused the erratic wheel speed sensor readings other than possibly a software glitch with the scan tool. Several suggested scoping each wheel speed sensor with a lab scope, and a cou... |
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| 1996 Chevrolet Blazer 4.3L abs light on VIN: 1GNDT13WUT Thanks to all responding, All diagnostic work leads to abs module replacement.The used salvage part was bad.Used car dealer that we were working for did not want to go the $1100. for new part.Sold as is.No repair. |
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| 1997 Chevrolet Astro 4.3L steering box VIN: 1GNDM19WOV After taking everyone's advise into account, I retested the vehicle and checked with D & S Steering. We changed the gear box and that fixed the problem. Thanks again to all who responded. All input was appreciated. |
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| 2003 Chevrolet Malibu 3.1L No Start VIN: 1G1ND52J23 we recieved several replies recommending that we replace the ignition switch. We replaced the ignition switch and the problem was solved. Thanks |
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| 1997 GMC Jimmy SL 4.3L Unknown VIN: 1GKDT13W5V Thanks for all the replies on this noise,we tried everything suggested but still had noise.Still would have bet on a broke flywheel but it wasnt.We ended up pulling the motor out and when we dropped the oil pan there it was #6 rod bearing had spun and had enou... |
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| 1999 GMC GMC 454CID No Start VIN: 1GBJ7H1BXX The small transfer pump in the right tank was failed. The system appears to functioning properly now. I was able to lift the float arm , and the pump came on. Many thanks to the guys who sent me the wiring diagrams of how this system works. I am thankful we ar... |
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| 2000 Oldsmobile Intrigue GL 3.5L MIL Lamp on Thanks to Jerry,Chad,Robt, Boyd, [...],ira and Anthony. All said to check air valves. Front one did not hold vac. Gave customer price on valves and will repair when they get the money.Thanks for all the help. Trouble codes: P410B (air system). |
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| 1999 Pontiac Grand Am SE 3.4L all gauges VIN: 1G2NE52E6X thanks to those who replied, while i had ordered an ignition switch before i posted, next morning i found a terminal in the wiring to the switch which was not completely seeded, after pushing it in all the way problem did not return, has only been back with cu... |
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