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Prev Professional Automotive Repair Technical Discussions for March 12, 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
2006 Buick Lucerne CXS 4.6L ignition switch VIN: 1G4HE57Y36
This car came to me towed in after customer tried to replace the battery. The car will not start. The transmission will not communicate with the BCM. I can not access data in the BCM. The battery is brand new, I tested it it has over 800 CCA. I tested my power...
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2008 Chevrolet Silverado 1500 LT 5.3L Block Heater VIN: 2GCEK19008
Hi All - Thanks for the info on this one. We installed an aftermarket block heater that has a thermostatically controlled cord - customer didn't like the thermostat feature (only comes on below 0'F so we bypassed it). Now it will set a code for coolant temp pe...
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2010 GMC Terrain SLT 2.4L timing chain VIN: 2CTFLGEW8A
Car was brought in with codes P0016, P0089, P228D, P0172. Had SES light and low power. Pulled timing cover and guides were broken with chain rattling badly. Replaced chain and guides now I get P0016 and P0017. Removed cover again reset marks with same result....
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Fixes & Summaries for GM
Fix/Summary Answers
1998 Chevrolet K3500 Cheyenne 7.4L Brake pull VIN: 1GCHK33J3W
Happy to report this truck is fixed! Tons of replies on this (thank you) and almost as many opinions about the cause. It was clear that the LF brake was not coming on when initially applied. When backing up, it pulled left, forward right. I mean it physica...
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2000 Chevrolet Suburban 2500 LT 6.0L fuel gauge VIN: 3GNGK26UXY
Thanks for your help. I found the spot on my scanner that I can do a gauge sweep and found the gauge worked fine. I ended up just putting a new fuel pump and sender in and that fixed the problem. Thank you again for your help.
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2008 Chevrolet Express 2500 LS 6.0L low beam headlights VIN: 1GAGG25K08
Thanks guys. I put in a different brand bulb than I have been using. We'll see how long they last.
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1999 Pontiac Sunfire GT 2.4L No Start, Stall, Misfire VIN: 4G2JB32T9X
I ended up replacing 4 spark plugs and the coil cover to get it running still wasn't running good had misfires. Replaced injector connectors and runs fine now. Trouble codes: P0335.
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2005 Pontiac Grand Am GT 3.4L engine VIN: 1G2NW12E85
this vehicle had a injection harness short. replaced the cmp sensor, harness, and fuel pump (pump is on same circuit as injectors) (and someone previously replaced pump and did not fix cause of failure). also had to repair many connector terminals along the wa...
12
2005 Saturn Vue 2.2L Instrument cluster VIN: 5GZCZ43D55
Vehicle is fixed. Found another ECM in my inventory from 04 Automatic. Installed and did 30 min passlock relearn for fuel password and vehicle runs with no MIL or issues. The only reason I can figure for the odometer issue is the ECM I tried to install firs...
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