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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for November 14, 2012
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Open Help Requests for GM
Help Request Answers
2004 Cadillac SRX 4.6L Misfire VIN: 1GYDE63A64
02 sen working properly
2005 Cadillac STS 3.6L Drivers Door Latch VIN: 1G6DW67725
My wifes caddy has an intermittent problem with her drivers door. She will pull on the door handle and it will not open, you can open it with the key in the lock cylinder. The other doors will unlock at this time and the interior lights will come on. Every tim...
1999 Chevrolet W3500 Tiltmaster W3S042 4.8L Oil blow by from breather tube VIN: J8BB4B158X
Blows oil through breather down tube inconsistantly. Only started after last oil change. No loss of power,no unusual noises from engine and drives fine. Sent oil sample to Titan Labs for analysis Report came back "Wear pattern does not indicate metals in oil" ...
1999 Chevrolet Malibu 2.4L Poor Idle Quality, Hesitation, Surge, Misfire VIN: 1G1ND52T2X
ok guys, first time ive posted here and really need help. weve had this car at the shop for months. originally the motor was blown up and so another tech replaced it and it sat for about 5 months ocasionally being started and ran. we owned the car as the custo... Trouble codes: P0300
2004 Chevrolet Venture LT 3.4L No Start VIN: 1GNDX13E14
After long drive if u go to restart the van will crank but will no fire,fuel pressure normal but no spark.Was thinking maybe crank sensor
2005 Chevrolet Cobalt LS 2.2L No Start VIN: 1G1AL52F65
Vehicle came in about five weeks ago on a hook, no start issue. Found vehicle to be flooded, with codes for maf/baro, cam position, ect. Replaced plugs, cleaned maf and throttle plate. Ran great, data was reading normal with no issues i could find...shipped it... Trouble codes: P0130 (O2 fault b1s1), P0340 (Cam position), P1133 (Ho2s b1s1 insuf.), P0134 (Low o2 activity b1s1)
2011 Chevrolet Silverado 2500 HD LT 6.0L Tire monitor VIN: 1GC2CVCG9B
I need some help with this one guys. The tire monitor service indicator and tire pressure light is on. The procedure for retraining calls for either holding the lock/unlock buttons on the remote at the same time or second procedure calls for turning headlight ...
2008 GMC Sierra 2500 HD WT 6.6L ?? drivetrain VIN: 1GTHK236X8
I have this 08 sierra that has a vibration between 60 and 70 mph. Vibration is slight with no weight in box but gets much worse with about 1000 pounds in the box. I have balanced the tires and wheels and replaced all 3 ujoints on the rear shaft. I have also in...
1999 Oldsmobile Silhouette Premiere 3.4L Gear VIN: 1GHDX03E1X
Unable to gain enough clearance to remove pinch bolt from steering gear to steering coupler. With the subframe lowered and the steering coupler boot disconnected from gear and pushed upward as far as it will move (hard plastic)I still have approx. 2" until pin...

Fixes & Summaries for GM
Fix/Summary Answers
2003 Cadillac CTS 3.2L MIL Lamp on VIN: 1G6DM57N13
the PCM fixed this problem, one of you mentioned that you did a search in the IATN archives and you found a similar post about this problem, i appreciate you mentioning that. when i did a search that particular post did not come up at all? weird! what we did w... Trouble codes: P0160, P0161.
1997 Chevrolet C1500 5.0L abs VIN: 1GCEC14V7V
Was unable to get a good pedel,treid to manual bleed the system but was able to power bleed the system, their was a tonne of air, brakes feel normal cust is very happy,once again iatn is the best for helping
2000 Chevrolet Venture 3.4L Hesitation, Surge, Cuts out, Misfire, MIL Lamp on VIN: 1GNDX03EXY
I figured this beast out!!! I did take the egr vavle off and it was fine and the passage was clear. Replaced both oxygen sensors, the front one looked contaminated. However, replacing the O2 sensors did not fix my concern. I also changed the MAP sensor with a ... Trouble codes: P0131 (Bank 1 sensor 1. The O2 oxygen sensors voltage remained low for longer than 2 minutes.), P0137 (Babk 1 sensor 2. The O2 oxygen sensors voltage remained low for longer than 2 minutes.), P0300 (Random or multiple misfire).
2008 Chevrolet Impala LS 3.5L right front turn signal VIN: 2G1WB58K88
Mark hit it on head! The fix was replacing the under hood fuse box. Circuit 240 labeled interior lights was the culprit. This circuit had a loose connection in the fuse box. When I moved the fuse around the right front blinker would operate. As a note, this ...
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