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Prev Professional Automotive Repair Technical Discussions for March 31, 2014
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(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for GM
Help Request Answers
1987 Chevrolet Corvette 5.7L Clutch VIN: 1G1YY2187H
Customer call and indicated he needs to pump pedal to get in gear all of a sudden with soft pedal to floor. The problem is the slave push rod does not fully depress the fork all the way.(noticed after we install new parts) New clutch master and Slave cylinder ...
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2000 Chevrolet Silverado 1500 5.3L Fog Lights VIN: 2GCEK19T3Y
Hello fellow techs, sometimes the easy repairs are the most challenging. cust complaint fog lights inop.Confirmed fog lights do not work, scan with tech 2 under body controls special functions lighting control you can manually turn fog lights on & off as much ...
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2002 Chevrolet Camaro 3.8L Cuts out, MIL Lamp on VIN: 2G1FP22K12
thanks in advance for any help given.this camaro came in with check engine lamp on po420,ltft was high i checked 02s,b1s2 was dead so i replaced it and fuel filter.customer didnt want to pay for setting monitors so they took the car.they went to a local do it ... Trouble codes: P0420
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2008 Chevrolet Silverado 3500 HD LTZ 6.6L Hesitation, Cuts out VIN: 1GCJC33688
Came in with a knocking engine, replaced long block. A code P0087 showed up and the engine was cutting out at 2200 rpm. fuel pressures were not matching so replaced wix fuel filter with ac delco. Fuel pressures matched but still got the same code when engine s... Trouble codes: P0087 (Low rail pressure previously)
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Fixes & Summaries for GM
Fix/Summary Answers
2001 Chevrolet S10 4.3L No Start VIN: 1GCDT13E51
Thanks for all the help guys the Distributor cap and rotor cured this one. We pulled the old one off and it was green and nasty. I assume my Fuel Gauge maybe off a couple of pounds because it only read 54 lbs. Thanks again Mike [...]
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2007 Chevrolet Tahoe LTZ 5.3L No Start, Poor Idle Quality, Stall, MIL Lamp on VIN: 1GNFK13017
THANKS FOR ALL THE HELP AND IDEAS TURNS OUT THE MAP SENSOR WAS WIGGING OUT. DATA WAS NORMAL AT START UP THEN IT START JUMPING ALL OVER ONLY CAUGHT IT ONCE BUT IT BEEN FINE FOR THE LAST WEEK WITH NEW MAP SENSOR Trouble codes: P0175, C0561.
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2010 Chevrolet Equinox LS 2.4L Hesitation, Stall, only when ice cold VIN: 2CNFLCEW0A
This one really pisses me off. The following parts were installed and money was wasted: throttle body mass air flow timing chain to crank pulley vacuum hose carbon cleaning and then, gm told my tech about a silent bulletin regarding 2010 only equinox's with ... Trouble codes: P0690, P2119 (throttle closed position performance).
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2010 Chevrolet Equinox LS 2.4L Poor Idle Quality, Hesitation, Cuts out, Stall VIN: 2CNFLCEW0A
This one really pisses me off. The following parts were installed and money was wasted: throttle body mass air flow timing chain to crank pulley vacuum hose carbon cleaning and then, gm told my tech about a silent bulletin regarding 2010 only equinox's with ...
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2006 GMC Envoy SLT 4.2L No Start
I had a chance to get back onto this Envoy today. I figured out what PCM was in it. They had the "replacement" in it when I received it. Today, I put the factory PCM back in the car. I probed the ign switch and saw a fluctuation of output with [3V most of ...
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2006 Hummer H3 3.5L Poor Idle Quality, Misfire, MIL Lamp on, Reduced power VIN: 5GTDN13606
OK I am going to call this one fixed. customer has had it 16 days now with no problems he called last week an said he's had no problems and thinks it runs smoother.thanks mark. Trouble codes: P0030 (O2 heater control bank 1 sensor 1 P0135 heater performance), P0036 (O2 heater control bank 1 sensor 2 P0141 heater performance), P2101 (throttle actuator position performance), P1516 (throttle actuator control module throttle actuator position performance), P1682 (ignition 1 switch circuit 2), P0300 (misfire detected).
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