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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for March 21, 2009
International Automotive Technicians' Network (iATN) - Members Only
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Open Help Requests for GM
Help Request Answers
1999 Buick Century Custom 3.1L Ign. Lock Cyl. VIN: 2G4WS52M6X
Thank you all in advance!!! Ripping Hair out!!! This is my own vehicle. Loaned car to customer, it is parked with right front wheel raised on curb. Wheels are in straight ahead position, steering wheel is locked to left, and ignition key lock cylinder is stuck...
2006 Buick Terraza CX 3.9L Rt slider door VIN: 4GLDV13146
used tech two on it. says no communication with rt slider door. will not display any codes for rt door. left side door operates, tech two shows left slider, shows part numbers, shows several fault codes on the left. so I believe the problem is a poor connect...
1994 Chevrolet Astro CL 4.3L No Start, ecm1 shorted VIN: 1GNDM19ZXR
Came in on a flatbed with a no-start.Normally i check for power to the pump before replacement of the pump, this time i didn't. After new pump was installed and failed to operate i checked power, found none so i swapped ignition switch with a good one, still n...
2003 GMC Envoy SLE 4.2L radio VIN: 1GKDT13563
This is my owne car, i bought a new radio off ebay because my cd player stop working .The radio displays locked now . I do not have the radio code to make it work. I was checking to see if anyone had any ideas on how to get it to work except going to dealer?. ...

Fixes & Summaries for GM
Fix/Summary Answers
1999 Cadillac Seville STS 4.6L fuel filling VIN: 1G6KY5491X
Well as all suggested it was the Evap vent solenoid. The spring for the shuttle valve had stacked on itself when it broke and made it close when pressure was applied.
1992 Chevrolet Lumina 3.1L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall VIN: NXC13875HK
we found that the fuel return line at the gas tank, the quick disconect end was replaced and a lot of extra plastic fuel line stuffed on top of the tank. there is a splice that join the 2 piece together. 2 inch up from the splice was a kink in the line. we cut...
2006 Chevrolet Silverado 2500 HD LT 6.6L Hesitation, MIL Lamp on VIN: 1GCHK23D26
THIS VEHICLE IS GOING TO LEAVE--TODAY! So i fixed it! It was the turbocharger vane position sensor. I installed and immediately I noticed a power gain. I kept looking and looking for codes to come back, but each of them passed their tests as the truck ran it's... Trouble codes: P0108, P0402, P0234, P003A.
2007 Chevrolet Suburban 1500 LTZ 5.3L front differential VIN: 1GNFK16367
Well it looks like the problem was the location of the breather hose. The owner was told by GM dealer that it had been relocated per the TSB. However they never did relocated it. The location by the left front fender well would inject water into it while drivi...
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