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Professional Automotive Repair Technical Discussions for January 26, 2008 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 ignition system VIN: 1G4CW52L9R This is the same Buick I had asked for help on a trans. problem last month. The decision had almost been made to trade the car off,but a new problem has developed. Can't trade it if it won't run. It has an intermittent no-start condition with a P0321 DTC that ... |
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| 1993 Cadillac DeVille 4.9L electrical systems VIN: 1G6CD53B7P Customer thinks this one is possessed by a demon. He brought us the car and said the dash lights were acting up. When we asked for more specifics, he just said start it up and wait about 3 minutes and you will see. When we did he was right. All the dash warnin... |
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| 1994 Chevrolet K3500 Cheyenne 6.5L Surge, MIL Lamp on VIN: 1GCHK33F1R Hi- to start with this is my first GM 6.5 for a running problem. It had the stalling and code 35-36 that the FSD is famous for. I also had a code 19, 29, 54,84,99. I installed the FSD or little black box and checked all the connections. The stalling came back ... Trouble codes: 35 (36 -), 36 (testing and results) |
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| 1999 Chevrolet Astro 4.3L Poor Idle Quality, Hesitation, Stall, MIL Lamp on The intake manifold gaskets were just replaced to correct a coolant leak.the distributor was carefully marked when removed, and reinstalled properly.I've checked repeatedly for a "tooth off" condition to no avail.Cam retard pid is at -7. The engine wont idle,w... Trouble codes: P1345 (cam sensor sync problem) |
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| 1987 Oldsmobile 98 Regency 3.8L Excessive Emissions, Poor Idle Quality VIN: 1G3CWS131H I replaced the fuel pump, it leaked down as soon as you shut it off. Replaced fuel filter, volume good. I replaced the plugs and installed ACs. Wires look new and dont spark through when wet. The rpms were 100 rpms different between 1,3, and 5 as compared to 2... |
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| 1999 Oldsmobile 88 Royale 3.8L High pitch noise VIN: 1G3HN52K6X Intake gaskets & plenum replaced w/all oe parts. Has high pitched noise at idle cold and hot, not always present. Job was done twice to ensure completed properly. Same result second time w/dealer parts. When oil fill cap is removed a large vacuum is present an... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1991 Buick Park Avenue 3.8L hvac blower motor VIN: 1G4CW53LXM Thanks to all that have responded to my request. The blower motor was my next idea too. I think that makes sense. Here in Minnesota we have been having below O temperatures and the car was in our shop nice and warm. Customer took car home and it sat outside in... |
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| 1994 Chevrolet K1500 Cheyenne 5.7L power steering VIN: 1GCEK14K9R Don was right, thanks, that made me remember a similar problem with Jeeps and bad front axle u-joints. The front 1/2 shafts were bad. I installed 2 reman 1/2 shafts and it is perfect. Thanks |
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| 1996 Chevrolet Tahoe 5.7L Poor Idle Quality, MIL Lamp on VIN: 3GNEK18R9T Truck is fixed. Wooden mallet is back in tool box. Alex from GA's internet dart hit a bullseye. The map sensor was clogged with carbon. For all the techs out there: My resetting MAF code came from a MAP sensor. Alex said this happened to him, I looked at Alex'... Trouble codes: 101 (maf). |
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| 2003 Chevrolet Impala 3.4L bcm VIN: 2GIWF52E83 Thanks to all you who replied to my problem.I went to the bcm and unplugged it to check all grounds and voltage pins to the module they all checked o.k. So I looked for any bad connections while I was there non found.I plugged the bcm up and secruity light wa... |
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| 2004 Chevrolet Tahoe LS 5.3L rear wiper VIN: 1GD34TUI89 thanks to everyone that replied. this car ended up having to problems one was the ground for the wiper motor that sits right behind the right rear quarter panel. and the other one was. the connector for the wiper motor was bad. replaced and repaired both and ... |
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| 2001 Oldsmobile Aurora 4.0L Engine oil leak VIN: 1G3GS64C81 Thanks everyone for your thoughts. Since this was the first time I had one of these apart I decided to play it safe and pull the engine/powertrain assembly and do the work on a stand. That part was a lot of disassembly and a lot of time but not that bad. Th... |
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| 2002 Pontiac Sunfire SE 2.2L Cuts out VIN: 3G2JB52F92 I have been unsuccessful in getting the customer to bring the car back, but according to the responses, it would likely require the fuel pump be replaced. Thanks for all the replies. John Trouble codes: P0171 (Lean exhaust). |
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