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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for September 5, 2013
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Open Help Requests for GM
Help Request Answers
1999 Cadillac Escalade 5.7L Misfire, MIL Lamp on VIN: 1GYEK13R0X
Customer replaced the above items and then brought it to me because the problem is still there. When the truck is cold it is very obvious that there is a misfire and as it warms up it smoothes out but the tech 2 still shows misfire counter increasing on cyl 1.... Trouble codes: P0301 (Misfire Cyl 1)
2004 Chevrolet Trailblazer LS 4.2L fuel leak
customer states that fuel is leaking on the passenger side in front of the front wheel. we have replaced 2 fuel pressure regulators, has factory regulator on it now. there is evidence of fuel tracks from the air box and filter. can not think of any other cause...
2008 Chevrolet Impala LS 3.5L Misfire, Poor Fuel Economy VIN: 2G1WB58K08
this vehicle came in with no check engine light just a surge at idle. I checked codes and found a stored p0300. I checked the scan tool data and found a cylinder 4 misfire on a graph. Spark plugs had a large gap and burned up. I checked the spark and cylinder ... Trouble codes: P0300, P0304
2011 Chevrolet Camaro LT 3.6L No Start VIN: 2G1FC1ED0B
One for you Good Wrench dealer guys. Got this 2011 Camaro that was wrecked on right front, PCM damaged in wreck and replaced by used rebuild with the vin programmed in. When I went in to program it with my Tech2 and Tis To Web for the security system I got an ...
2002 GMC Envoy SLE 4.2L ckp sensor VIN: 1GKDT13S02
Just had this truck brought to me by another tech, the engine starts as long as the ckp sensor is unplugged but will not start when connected. Tech replace 2 ckp sensors and installed new wires between the processor and ckp sensor. He claims the signal is good...
2005 Saturn Ion-2 2.2L MIL Lamp on, reduced power VIN: 1G8AJ52FX5
Good morning. I have this Saturn that will intermittently go into limp mode and set above code. I replaced the APP sensor with still the same problem. When watching scan data on scanner with koeo the tps will jump from 18 to 35 percent without pressing the gas... Trouble codes: P2138

Fixes & Summaries for GM
Fix/Summary Answers
1999 Chevrolet C3500 6.5L Abs & Trans VIN: 1GBJC34F6X
Well I believe it is fixed replaced the EBCM with a junkyard one last Friday Been driving it every day since and no codes , ABS seems to work great. Thank you all for your information I have printed all and will keep it on file Again thank you all Patri...
2002 Pontiac Grand Am SE 3.4L No Start VIN: 1G2NF52E12
thanks again for all the insight !! trid lots of things from key cylinder to ignition switch. even replaced ignition module with known good used one. finally started ohming wiring from ignition module to computer to instrument cluster to body control module. f...
2007 Saturn Ion-2 2.2L Poor Idle Quality, high idle VIN: 1G8AZ55F77
reflashed pcm and relearned throttle.Had to drive vehicle several times,but idle finally relearned. Trouble codes: P0507 (idle conrol system rpm too high symptom 00).
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