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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for February 3, 2015
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Open Help Requests for GM
Help Request Answers
1998 Chevrolet C3500 Cheyenne 5.7L lack of power VIN: 1GBGC34R8W
Customer states vehicle looses power after warm up to normal operation. Truck feels like is has no power. No ck engine light. Found no restriction in exhaust. Fuel pressure is good. Spark plug good.
2001 Chevrolet Camaro 3.8L cooling system VIN: 2G1FP32K31
Hi everyone, I need help with this car please. Car came in with code PO481 (Fan relay #2 and #3). We replaced the relays and replaced the main computer along with both cooling fan motors. For some reason the check engine light still comes on with the code PO48...
2007 Chevrolet Suburban 1500 LTZ 5.3L Mechanical VIN: 1GNFK16357
Vehicle came in last month with a collapsed DOD lifter on cylinder #7.I replaced the left bank Lifters and guides with OEM parts from the dealer.Vehicle is back with lifter on #7 collapsed again.I had replaced the right bank lifters about 11 months ago and the...
2007 Chevrolet Aveo LS 1.6L Misfire, MIL Lamp on VIN: KL1TD66627
Customer brought in vehicle to other shop to address check engine light on. Was told needed plugs and wires, 2nd phone call, needed coil, third call, needed intake gaskets, fourth call, had burnt valve. Customer did not feel any issues until he picked up vehic...
2010 Chevrolet Cobalt LT 2.2L Recircuration mode VIN: 1G1AF5F50A
The button for recirculation is inop. use snap on scan tool but no DTC found. The actuator is not moving at all. The manual hvac unit works except the recirculation mode. no light on when pressed the button. How do I find a problem?
2011 Chevrolet HHR LT 2.2L Poor Idle Quality VIN: 3GNBABFW3B
Hi guys i have this 2011 hhr with a code p2135 tps 1 and 2 correlation i check the throttle body wiring look ok look at the app wiring look ok code still sets about 10 to 15 mills i was thinking of the t/body am not sure and help thank you guys

Fixes & Summaries for GM
Fix/Summary Answers
2002 Buick Century Custom 3.1L No Start VIN: 1G4WS52J02
Well right this off under frustrated!! I went back to the basics and started over with what I had and didn't have.had spark,rpm,3x,24x,and no codes now.injector resistance 12.4-ok.no noid or cam signal.would crank over fine.ohmed wires from cam to pcm-ok.have ... Trouble codes: B2958 (p1626-), P1626 (p0463-), P0463.
2000 Chevrolet S10 2.2L emissions VIN: 1GCCS1443Y
Temperature was deff. the issue. I replaced the thermostat for the second time and vehicle still would not reach over 170 degrees. Placed a piece of cardboard over half the radiator and re-ran the drive cycle. O2 sensor monitor cleared allowing the truck to pa...
2005 Chevrolet Silverado 1500 LS 5.3L front end VIN: 2GCEK13T85
Thanks to everyone that replied to my help request!!! Bill form FL and Gary from ME were correct, but Ricky from AL nailed it word for word!! The master cylinder had leaked about a quart of brake fluid into the brake booster. I took a zip tie and stuck i...
2006 GMC Envoy Denali 5.3L #7 compression VIN: 1GKET63M76
Chester we were able to verify no electrical fault by disconnecting the control wire for #7 solenoid and running engine. Mike there are four solenoids that each control 1 cylinder not 2 each solenoid controls both valves for 1 cylinder. Doug [...] forgot to mentio...
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