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Prev Professional Automotive Repair Technical Discussions for May 2, 2014
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2006 Buick Rendezvous CXL 3.6L #2 cyl misfire VIN: 3G5DA03796
Only code I get is for EVAP vent P0449 need to drop tank to repair. The problem started last year but quit when we went north for 6 months, started back up in Feb when we came back to FL, the car bucks between 45 and 60 mph (1400 to 1800 rpm's) in OD only goin...
2008 Chevrolet Silverado 1500 WT 4.3L Air bag VIN: 1GCEC14X18
Could the SDM need to be programmed even though I never touched it? The rest of the vehicle is in pristine shape, rarely driven far and serviced regularly. No signs of accident or water damage. Never flooded. Scanned can bus and found no faults, removed and in...
2009 Chevrolet Aveo LT 1.6L Door Locks VIN: KL1TG56E99
Customer came in with issue with door locks not unlocking. Or would not stay unlocked. Upon inspection. When you use the keyfob to unlock door the doors(all 4) will unlock for second and then relock as fast. You have to manually pull up on the door lock and op...
1999 GMC Yukon SLT 5.7L MIL Lamp on VIN: 1GKEK13R8X
Vehicle came in for coolant leak, Found intake gasket leaking at corners as they do. At this time the only codes were o2 sensor low voltage codes. Also found the fuel spider was leaking in intake as well. We replaced the spider and the lower intake gaskets and... Trouble codes: P1345 (Cam and crank correlation)

Fixes & Summaries for GM
Fix/Summary Answers
1999 Chevrolet K2500 7.4L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Cuts out, Misfire, Poor Fuel Economy VIN: 1GCGK24J9X
I would like to start by saying thank you to all that have helped. I disconnected regulator, maf sensor, and changed oil. it still ran the same. I hooked up a fuel gauge when it was running really bad and had 55psi, turned off engine and fuel dropped ...
2003 Chevrolet Malibu 3.1L Starting VIN: 1G1ND52JX3
Thanks for all the responses. After watching output voltage on the ignition switch for a few days without being able to get a symptom, I took a shot and replaced the ignition switch. The customer was having trouble every couple of days. It has been almost 2 we...
2013 Chevrolet Volt 1.4L HV Charging System VIN: 1G1RH6E45D
Thank you all for your replies. The problem was codes in the other modules for the HV system. I was not able to clear them as I was using the tech 2 in pass through to program and it had no ability to clear the codes. Took to local dealer, he cleared the codes...
2001 Saturn L200 2.2L MIL Lamp on VIN: 1G8JU52F81
I would like to thank those who replied. Well the 2.3 to 2.8v from the ftps is where it all went down hill. With using a solus ultra that is only one yr. old that read 1.5v following the trouble tree which said replace ftps I did. WRONG! Still read 1.5v. With ... Trouble codes: P0440 (Evap fault).
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