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Professional Automotive Repair Technical Discussions for May 7, 2013 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1991 Chevrolet Camaro RS 3.1L No Start, Stall, MIL Lamp on VIN: 1G1FP33T9M Tow in-- Camaro usually starts but will not rev up. Usually no service engine soon light or security light flashing. Scan for codes right off trailer--no codes, Scan data don't see anything out of normal. Suspect fuel pump. Install MAC pressure checker find in... Trouble codes: 46 (Vehicle security system) |
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| 1999 Chevrolet Malibu 2.4L Fuel gauge VIN: 1G1ND52T2X Installed new fuel pump assembly in customer's car back in December. Car has been running fine and still runs with no issues. However customer states he got gas over the weekend and after driving about 20 minutes after filling the tank up the dash chime sounde... |
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| 2004 Chevrolet Avalanche 1500 Z66 5.3L oil pan VIN: 3GNEK12TX4 Customer complaint; oil leak.Pan gasket leaking & was replaced with customers consent. New gasket leaking. This gasket was then replaced with 2ond gasket(assuming it was defective.The pan had been cked for surface flatness with precin straight edge & was found... |
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| 2004 Chevrolet Classic LS 2.2L Air Bag Light VIN: 1G1ND52F34 Hoping to get some programming advice here. I received this vehicle to program the air bag module. I couldn't get it to program. I suggested a new RCM instead of the junk yard one that was installed. Did the 10 minute set up in which I am using the Tech 2 but ... |
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| 2005 Chevrolet Cavalier 2.2L MIL Lamp on VIN: 1G1JC12FS5 Came in with ck. engine and traction lights on. Poor performance. Cleared light and test drove. All good until 39 MPH then starts running porly and light back on. Looked at scanner data and TPS reading was fluctuating all over the place. Great I thought, a bad... Trouble codes: P0122 (TPS circuit A low voltage) |
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| 2002 GMC Savana 2500 5.7L No Start, Hesitation, Cuts out, Stall VIN: 1GJGG29R82 stalls out since i replaced crank sensor,replaced distributor ,cap,rotor,coil same results inj stay wide open when slightly accelerated to 11-13 o2 sens go rich all the way and pcm tries to lean out the max and engine dies please advise Trouble codes: P0335, P0172, P0175, P0706 |
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| 2002 Pontiac Grand Prix SE 3.1L Excessive Emissions, Misfire, MIL Lamp on VIN: 1G2WK52J32 Came in with a p0420. Replaced cat, came back aprox 500 mi later with same code, replace cat again with a OE unit, and new front and rear O2's. Back again with p0420 and p0300 after aprox 50 mi. Cyl #4 has a very slight miss, cant feel it but the verus is show... Trouble codes: P0420, P0300 |
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| 2007 Saturn Ion-2 2.2L Cuts out, MIL Lamp on VIN: 1G8AJ55F77 This vehicle presented with a customer complaint of low power and a check engine light on. The two codes above were retrieved. The service manual says that P2127 will set if the signal voltage goes below 0.13v for 4/10's of a second. This code has set for the ... Trouble codes: P2127 (App sensor ckt 2 low volt) |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2001 Chevrolet Venture LS 3.4L Stall, MIL Lamp on VIN: 1GNDX03EX1 Thanks to everyone for the help. We replaced the cam sensor and the customer reports trouble free driving since. Trouble codes: P0341 (Cam pos sensor). |
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| 2002 Chevrolet Silverado 1500 4.8L exterior lighting VIN: 2GCEC19V82 This one turned out to be simple repair.I checked all grounds except one!The actual frame was not gounded.I found when I checked fuel pump voltage with the DVOM hooked to the neg post battery.I had 14.5 volts yet low fuel pressure.In the morning I checked the ... |
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| 2006 Chevrolet Trailblazer LT 4.2L Hesitation, Misfire, MIL Lamp on VIN: 1GNDT13S56 Thank you to everyone...tried leak down and more lab scope, nothing!... now it seems the vehicle refuses to miss any longer(at least during testing)...we requested the customer return when/if the problem becomes more consistent. Trouble codes: 0300 (testing and results). |
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| 2008 Chevrolet Suburban 1500 LTZ 5.3L Engine VIN: 3GNFK16388 Well the vehicle is still under warranty so I sent them to the local dealership. Thank you for all the replies and help. |
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