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Prev Professional Automotive Repair Technical Discussions for March 6, 2012
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Open Help Requests for GM
Help Request Answers
2001 Cadillac Seville STS 4.6L Poor Idle Quality VIN: 1G6KY54971
I have a 2001 Seville that very intermittantly will not idle (starts and stalls) or will idle high for a while. Checked IAC circuit with a noid light tool and I get alternatly flashing red to green lights and then settles to just green and red. Cleaned IAC and... Trouble codes: P0507
2002 Cadillac Escalade 6.0L Turn signals VIN: 1GYEK63N02
When the vehicle entered the shop the left turn signal pulsed on and stayed on (no flashing). Accompanying the lack of operation there was a buzzing sound coming from the fuse panel (turned out to be the flasher). I began by examining the wiring schematic. I p...
2004 Cadillac XLR 4.6L MIL Lamp on
Hello fellow techs, here I have this weeks nightmare. I have a relatively low mileage XLR Caddilac which came in with no real running problem, but this P0171 lean condition code. Engine runs smooth with no hesitation or obvious power problem. At first I erased... Trouble codes: P0171, P, 174 (System runs lean bank 2)
1998 GMC K1500 Sierra SL 6.5L Four Wheel Drive VIN: 1GTEK19S5W
The truck has 4x4 not working. Customer replaced Front Axle Actuator with no change, checked the wiring to the front axle actuator, tried a second new actuator, no change. We checked the wiring and checked all fuses, checked the wiring at the transfer case, th...
2003 Other GM HOLDEN ZC VECTRA .0L Engine VIN: W0L0ZCF684
Repolacded timing belt at 120,ooo kms. Ever since we repalced it , was running slightly rough at idle. 2 month later we took covers off and ispect marks with holden tool, apparenty was 1 tooth out?? vehicle was out of operation for 7 days was waiting for p...
2002 Saturn SL2 1.9L MIL Lamp on
First time poster hope to describe this correctly. In my bay i have a 2002 saturn sl2 with a mil on. p1418, If the code is cleared it comes back immediatly on the next start cycle. I am able to cycle the air pump on with the output controls on my solus scanner... Trouble codes: P0418, P1418

Fixes & Summaries for GM
Fix/Summary Answers
2006 Buick LaCrosse CXL 3.8L traction con VIN: 2G4WD58256
well thanks guys for all your input i took a serp. belt and cut it rapped it around the tires to measure them and found that both ft. tires are about the same size and both rear are larger by atleast 2-3 inches havent replaced tires yet but pretty sure this on...
2003 Chevrolet S10 2.2L fuel gauge-pump VIN: 1GCCS19H93
Okay. I feel like a dummy. It's days like this I look forward to retirement. I feel burnt out sometimes. Anyway, I was checking the pump wrong. I put a clear tubing on the line going to the filter on the frame, and let it pump in a bucket. That eliminated the ...
2003 Chevrolet Express 1500 5.3L Fuel Tank VIN: 1GBFG15T23
Thanx for the posts guys. Although the vent valve was clicking it wasnt breathing. We took it off the van and blew through it, she was plugged up solid. Installed a new vent valve and all is well.
2005 Chevrolet Silverado 2500 HD 6.0L reverse VIN: 1GCHK23U85
i want to thank everyone for replying. lots of great advice. the problem ended up being the reverse band. it didnt wear but somehow the material compressed.there was no debris in the pan. ive never seen it before. initially, when i rebuilt the trans and repalc...
2004 GMC Sierra 3500 SLE 6.6L No Start VIN: 1GDJK34194
Thanks for everyone's input we replaced the fuel filter housing & all the injectors. Now she fires right up. We were getting air in the hose when we pumped the filter housing primer we think the cracked housing started the problem. Thanks Again Joe's
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