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Prev Professional Automotive Repair Technical Discussions for November 10, 2014
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(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for GM
Help Request Answers
2000 Chevrolet Blazer LS 4.3L brake lamp, pedal. VIN: 1GNDT13W1Y
Ironically,most of my tech help requests seem to involve junkers...lol. typical blazer, typical condition.line was blown to rear. replaced and bled, pedal is lousy.get fluid flow to rears, but red lamp is on nonetheless.unplugged switch lamp stays out.tried op...
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2003 Chevrolet C4500 Kodiak C4C042 6.6L Poor Fuel Economy VIN: 1GBE4E1193
hello. complaint on this one is fuel in the oil. we do alot of injectors on these, diagnosing with balance rates, and engines smoking, the usual. this one however has no apreciable smoke and runs, starts, and the balance rates are good. im wondering if anyone ...
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2005 Chevrolet Tahoe LS 5.3L MIL Lamp on VIN: 1GNEK13T55
about 1 month ago was getting P0420 cat code only. customer opted for walker aftermarket Y-pipe with 2 cats built in. Truck came back 2 weeks later with P0157 low voltage B2S2 oxygen sensor. Installed oem Delco sensor. 2 weeks later P0157 is back. Scan tool sh... Trouble codes: P0157
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2005 Chevrolet Equinox LT 3.4L MIL Lamp on
Hi there, hoping someone can help, I've purchased this 2005 equinox 3.4L AWD 160 000km for my wife. Passed certification w/o trouble. Trying to have it E tested. P0446 code; evap vent system performance, so initialy I inspected the charcoal canister/ evap box,... Trouble codes: P0446
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2008 Chevrolet Suburban 1500 LTZ 5.3L Rear Liftgate VIN: 1GNFK16348
Hello IATN, We received this vehicle with the rear power lift gate not releasing and opening. We replaced the lift gate module and had it programmed. Here's our problem. Once we start the vehicle the power lift gate doesn't work anymore, it will not open fro...
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2007 Hummer H3 3.7L Odometer VIN: 5GTDN13E57
Hello everyone, thanks for reading. I have this hummer that is displaying kilometers only on the cluster and I cannot figure out how to change it to miles. The trip odometer is also not working either but I can press the button and see on the scan tool that th...
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1989 Oldsmobile Cutlass Ciera SL 3.3L Poor Idle Quality, Hesitation, Stall, Misfire VIN: 1G3AM51N9K
This car cam in with a extended crank, rough idle and the customer says that at times it would stall, so far we have check / fixed a ton of stuff with no fix, performed tune up (plugs, wires, o2 sensor) no change, then we installed re-man ecm no change, found ...
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2008 Saturn Vue XE 3.5L a.c. VIN: 3GSDL43N68
Vehicle came in with compressor cyclying on and off along with the fans as well. High side reading 200psi low side reading below 30 psi when compressor is on. compressor kicks off high side reading goes to 125psi and low side goes to 55 psiand then compressor ...
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Fixes & Summaries for GM
Fix/Summary Answers
2002 Buick Regal LS 3.8L Cuts out, Stall, Poor Fuel Economy VIN: 2G4WB52K82
First was new CPS, still died on next trip. Then replaced ICM and still broke down on next drive. Map sensor was broken/cracked. Cleaned pcv and replaced map. Did a little "tap" testing on ecm with no results. New fuel pump was a little loud so we swapped it ...
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2007 Buick Rendezvous CXL 3.5L gauges VIN: 3G5DA03L27
sorry for late closure.after posted help request.IATN sugeested other rendezvous tech helps that have been closed.There was one where the plug wires were the problem.The customer recently tuned up vehicle with napa wires.The replys on that post seemed to not b...
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2011 Chevrolet Traverse LT 3.6L Headlights VIN: 1GNKRGED0B
REPLACED THE FUSE BOX EVERYTHING WORKS OK, ALL THE LIGHTS WORK LIKE THEY SHOULD
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2003 GMC Savana 3500 6.0L Starting VIN: 1GDJG31UX3
Thanks everyone for confirming what I believed. When to check some things and the switch the van wasn't acting up anymore. Found both plugs fused to the switch, so change the switch and both plugs.
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2003 Hummer H2 6.0L Poor Idle Quality, Cuts out, Stall, MIL Lamp on VIN: 5GRGN23U13
Thanks to everyone. The problem ended up being the map sensor was showing the wrong readings, it was equating to 4000 ft above sea level as opposed to o ft. It was checked but the readings were not detected. its replaced and working fine. Many thanks. Trouble codes: P1514, P0101.
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