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Professional Automotive Repair Technical Discussions for April 9, 2012 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1982 Chevrolet Corvette 5.7L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1G1AY8785C this will be the third time i've put this on iatn. each time i thought it was fixed. this car has new computer,dist. cap rotor and wires. tps. if you drive this car normal its not bad, but if you floor it it feels as thou its dropping clyinders. no check engin... Trouble codes: P0042 |
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| 1996 Chevrolet S10 LS 4.3L starter VIN: 1GCCS19X5T One for you Goodwrench guys. Got this '96 S10 pickup that as they say in New Orleans is "Hainted". Once in a blue moon when you cut the vehicle off, about 5 seconds after you turn the ignition switch off the headlights will flash twice amd then the starter wil... |
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| 2000 Chevrolet Impala LS 3.8L No Start VIN: 2G1WH55K6Y I have this Impala that will not crank at times. I could not duplicate the problem so I connected some lights on the crank request circuit and starter relay output and removed the remote start interface module. That test found voltage on the crank request circ... |
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| 2003 Chevrolet Trailblazer North Face 4.2L abs VIN: 1GNDT13S13 Hello, and thank you for taking the time to read this. This Trailblazer has an ABS light on with a code C0267 pump motor failure. I know it needs a new pump motor, that is not the issue, AFTER we did lower ball joints and had the wheel speed sensors unplugged,... |
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| 2003 Chevrolet Venture LS 3.4L Misfire, MIL Lamp on VIN: 1GNDX03EX3 I have a Chevy Venture that has a misfire at idle on mainly #3 cylinder and some on #4 cylinder. The misfire goes away at about 1200-1300 RPM in park and in gear the misfire will go away just off idle. Compression is all good. No bouncing engine vacuum. Inject... Trouble codes: P0300 |
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| 2003 GMC Yukon XL 1500 SLT 5.3L hydraulics VIN: 3GKFK16Z63 Hey Guys, This is actually embarrassing, but I replaced the rear rotors and pads and the front rotors and pads with calipers. I simply cannot get a pedal. I have bled and re-bled all four and am getting solid stong fluid from all four. If I pump it up with th... |
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| 2001 Saturn L300 3.0L No Start, Hesitation, Stall VIN: 1G8JW52R41 thanks in advance for all that help car will start and run good 1st time in morning but has a hesitation shut car off and wont restart for about 5 or 6 tries then will start up run rough then clear up we put a new throttle body on it and maf sensor did the rel... |
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| 2001 Saturn LW300 3.0L Mechanical VIN: 1G8JW82R01 Help! This car goes full rich and i cannot seem to find it. fuel trims are reading -30 both banks with o2 sensors upstream stuck between .970-.950 and downstream reading 450 mv.I have checked timing belt for jumped tooth,fuel pressure,vacuum tested,and backpre... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2004 Cadillac Escalade ESV 6.0L stability VIN: 3GYFK66N44 Thanks for the replies guys, after checking alinement two times, and checking the steering wheel sensor thinking it was the Yaw sensor for about two days found out yaw sensor was under pass. seat found wires chewed into and rat dudo everywhere reconnected all ... |
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| 1996 Chevrolet W3500 Tiltmaster W3S042 5.7L No Start VIN: 4KBB4B1RXT Thanks for all the help.Problem was broken wire in Crank sensor harness. Jim |
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| 2000 Chevrolet K2500 7.4L Steering VIN: 1GCGK24J8Y Thanks for everyones input. Your suggestions helped us eliminate the tires, brakes and front end. Before we worked on it he had it aligned. He brought it back there with the specs some of you recommended. He called and said it was improved but not perfect,(I d... |
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| 2001 Chevrolet Impala 3.4L starter VIN: 2G1WF52E61 I have bypassed the passlock system by cutting the yellow wire from the ignition switch and adding a toggle switch between the circuit.Customer did not want to replace ign switch |
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| 2005 Chevrolet Silverado 2500 HD 6.6L Transmission VIN: 1GCHK23235 Hey, guys this one is fixed (thanks Jake) it was a low voltage problem from the ignition switch, I monitor the ignition power to the TCM and after several key cycles it acted up showing 6 volts then started climbing back to 12v+ all's well and good to go! |
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| 1998 Oldsmobile Silhouette Premiere 3.4L Excessive Emissions VIN: 1GHDX03E5W Hello All, Hope everyone had a great weekend. Well it ended up being the purge solenoid. My tech just disconnected it.He did not totally bypass it as I thought he did. It was stuck open. So We pulled off the old one and plugged the hoses and the fuel trim went... |
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| 2005 Pontiac G6 3.5L shift operation VIN: 1G2ZG52845 Thanks to all who replied. You had confirmed our suspicions. We Replaced the transmission and now it works perfectly. |
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| 2005 Saturn Vue 2.2L Poor Idle Quality, Hesitation VIN: 5GZCZ43D65 we sent the vehicle to saturn dealer they reflashed the ecm we went to pick it up and it failed again returned to saturn dealer and they had to replace ecm thanks for all your help you guys are great Trouble codes: P2176. |
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