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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for October 24, 2017
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Open Help Requests for GM
Help Request Answers
2009 Cadillac CTS 3.6L Misfire VIN: 1G6DV57V19
Vehicle came in with reduced power. Found mice had eaten the wiring harnesses for both fuel injector rails. On first startup, you could hear what sounds like a misfire thru the air cleaner. Once the vehicle warmed up, 30 seconds, this sound would stop, idle se...
2011 Cadillac Escalade ESV Luxury 6.2L gm supernav radio VIN: 1GYS4HEF3B
Want to install a used radio, i have reprogrammed gm radios with theftloc activated in the past on the truck chassis with doing a sps program and never had a problem,on the car lines i just did vin relearn with tech2 and the truck ones always had to be done wi...

Fixes & Summaries for GM
Fix/Summary Answers
2013 Cadillac XTS Platinum 3.6L Headlamp Leveling VIN: 2G61T5S38D
Alldata says nothing about this, but if you purchase the GM subscription for SI, it says that if the vehicle is equipped with air suspension the suspension calibration may need to be done first. I performed the suspension calibration, cleared codes and the hea...
1999 Chevrolet Corvette 5.7L No Start VIN: 1G1YY22G2X
It's fixed, installed the new BCM and Mobile Programmer came by and programmed the key to start. However even though it now cranks, it would not start. The programmer was a retired Peugeot tech w/ 21 yrs experience and some extra years working on assorted Asia...
2003 Chevrolet Silverado 2500 6.0L windows, locks, interior lighting , dash lights VIN: 1GCHC23U23
Thanks for all the replies. The key to finding the fix was in the fact that when the scanner was connected only the dome light coming on and the 3rd brake light did not function correctly. Printing out wiring diagrams showed one thing in common and that was in...
2008 Chevrolet Suburban 1500 LTZ 5.3L Misfire, MIL Lamp on, No misfires felt VIN: 3GNFK16368
The vehicle is repaired! A replacement engine was delivered and installed yesterday without any logged misfires. The crankshaft variation relearn ran on the first try. Thanks to all replied with help for my post. Several people replied with help regarding the ... Trouble codes: P0300.
2002 GMC Sierra 3500 8.1L Hesitation, Misfire VIN: 3GDKC34G92
It is time to close this request, even though the truck is still sitting in my shop. I did a compression test and all numbers came back between 155 and 165. A smoke test showed nothing from the intake, or anywhere else for that matter. An injector balance test...
2005 GMC Sierra 2500 HD SLE 6.6L radio VIN: 1GTHK23285
thanks for replies but i can see this will not work so i will not drag this out any longer .i will install after market radio and thank you again
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