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Prev Professional Automotive Repair Technical Discussions for July 8, 2013
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(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for GM
Help Request Answers
2007 Cadillac CTS 3.6L Key-Ignition VIN: 1G6DP57707
Key will not turn to off position if pull the actuator pin down can remove key scanned computer all modules have U1000 ECM has U1300 and P1629 Radio B1327 Amp B1004 Mitchel said clear if U1000 back top module is bad module is theft deterrent module replaced-re...
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1990 Chevrolet Camaro Iroc-Z 5.0L Engine VIN: 1G1FP23F4L
Customer drove this car to us for inspection, and upon completion, could not start the car. It has spark and fuel injector pulse, as well as acceptable fuel pressure, however it just will not start. I changed all 8 plugs. Left bank plugs were very rich and bl...
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2006 Chevrolet Malibu LT 2.2L No Start VIN: 1G1ZT51F86
i have a 2006 chevy malibu came in on hook, customer complaint lack of power and noise pulled in parking lot shut down vehicle and has not run since. I'v got spark, fuel,injector pulse, compression. plugs are always fuel fouled. occasionally will fire for abou...
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1987 GMC G2500 Vandura 5.7L Stall VIN: 2GDHG31K6H
Customer complaint is stalling when warm. This is not the original engine and this has the van front with a cargo box attached. I did a lot of prelim cks. Ckd scan data and all seems good except the O2 doesn't switch like I would like to see. Key on it reads ....
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2002 GMC Envoy SLE 4.2L front axle actuator VIN: 1GKDT13SX2
Front differential actuator outer bearing worn.bearing spun in aluminum housing.removed right front axle and mounting bolts to oil pan only to find actuator is seized in oil pan mounting surface.i have soaked,warmed and attempted to pry/pull out of oil pan.is ...
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1998 Oldsmobile Intrigue GL 3.8L A/C controls VIN: 1G3WS52K8W
Hey Guys, this vehicle blows hot on the pass side all the time. Drivers side adjusts like it's supposed to. Checked A/C charge and it is fine. Scanned for codes and found BO365, BO367, and BO446 which is motor 2 feedback short, motor 2 feedback open and right ...
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Fixes & Summaries for GM
Fix/Summary Answers
2000 Chevrolet Astro 4.3L No Start, MIL Lamp on VIN: 1GNDM19W7Y
Well the owner was concerned about the ECM I replaced, and my diagnostic abilities so he towed it out. I'm hoping he lets me know what the problem turned out to be. What's vexing me is the chart led me straight to the ECM. I reinstalled his old unit and GM was... Trouble codes: P1351 (Ingition Control Votage High.).
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2002 Chevrolet Cavalier LS Sport 2.2L Shifting VIN: 1G1JH12F52
Once again you guys where right the pink wire was rotted half way thru the harness again thank you all
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2009 Chevrolet HHR SS 2.0L No Start, MIL Lamp on, Hard start VIN: 3GNCA73X49
We found the upstream oxygen sensor to have failed. It was flat lined and not allowing the vehicle to go into closed loop. The customer replaced the oxygen sensor, but we were not able to see data stream after repair to see if the repair was effective. Trouble codes: P0100, P2187.
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2004 GMC Envoy SLE 4.2L MIL Lamp on
This one fixed, it ended up being the purge solenoid. When ses light came on code recorded purge solenoid 1%, pressure at 0%. Would command 100% with scanner installed vacuum gauge on tank side. Pulled plug and shut truck off would drop to 0 Trouble codes: P0455 (Large leak).
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2000 Pontiac Grand Am SE 3.4L Misfire, MIL Lamp on, ABS, Trac VIN: 1G2NF52E8Y
Thank you for the replies I have not had this vehicle back in the shop as yet. I did have the customer come back with a concern of the lights and the dinging sound (the trac warning). Took some explaining but he said its getting more and more frequent, which... Trouble codes: C1226 (RF Wheel Speed Performance), P0300 (Misfire).
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