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Prev Professional Automotive Repair Technical Discussions for May 18, 2017
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(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for GM
Help Request Answers
2008 Buick Enclave CXL 3.6L wipers VIN: 5GAER23758
Vehicle came in wipers inop. Removed cowling and found transmission disconnected from motor. Reconnected wiper motor to wiper transmission and could not get wipers to park. Thought wiper motor must be bad. Replaced motor and same issue. Replaced transmission a...
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1991 Chevrolet Caprice Classic 5.0L Surge VIN: 1G1BN53E6M
This car was driven in barely running. Customer just bought, no known history. Ect sensor was broken off, the intake was leaking badly, and exhaust was rusted off. We fixed these items but still have a rpm surge and stalling at idle when cold. After warm, the ...
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2013 Chevrolet Silverado 1500 LT 5.3L MIL Lamp on VIN: 3GCPKSE74D
Hey, 2 weeks ago truck came in with gauge reading 0 and no noise in engine. Oil pressure was tested then and it was 40ish psi. Replaced sender and screen and cold start it went to 60ish and came down to 40 psi at idle. Released vehicle and now it is back. Gau... Trouble codes: P0521 (Engine Oil Pressure Sensor Performance), P0523 (Engine Oil Pressure Circuit High Voltage)
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1997 Pontiac Grand Prix GT 3.8L No Start, Stall VIN: 1G2WP12K8V
once we fixed the fuel leak, we started the car and it ran at idle for about 10 min then shut off, went to start it and dies right away, checked fuel pressure, holds at 51 psi after it shuts off, goes down to 48 after 15 min of sitting, switched fuel press reg...
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2008 Pontiac G6 GXP 3.6L Poor Fuel Economy, MIL Lamp on VIN: 1G2ZM17748
Customer complaint of lack of power and poor fuel economy. Upon scanning computer the above codes were found. I ckd scan data and according to the info everything looked good. I did visual on connections of cam sensors and solenoids. All looked good. I cleared... Trouble codes: P0011 (intake cmp perf bk1), P0014 (exhaust cmp perf bk1), P0017 (ckp to cmp correlation bk1 exh), P0021 (int cmp perf bk2), P0171 (lean bk1), P2273 (O2 bk2 s2 signal mal)
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Fixes & Summaries for GM
Fix/Summary Answers
1976 Cadillac Eldorado Cabriolet 8.2L A/C System VIN: 6L67S50413
The real fix was to understand how this system works, which I still don't completely. There was actually no problem with the refrigeration part of the system. I don't believe it has the ability to blow cold air when it's 55 degrees out. The high "low side" pre...
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2006 Chevrolet C5500 Kodiak C5V042 6.6L No Start, Poor Idle Quality, Cuts out, Stall VIN: 1GBJ5V12X6
so i rebuilt the primer and the truck started. i do believe there is still air due to the size of the lines in the truck. what is the best way to get all the air out of the system drive the truck. Trouble codes: P0676, P0381, P0674, P0673, P0606, U1000.
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2013 Chevrolet Suburban 1500 LT 5.3L Shudder VIN: 1GNSKJE74D
Thank you to all of you who took the time to reply. I appreciate your time and effort.Those of you that pointed to the transmission were correct. I ordered and installed a re manufactured transmission with torque converter from Jasper and it resolved all issue...
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