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Prev Professional Automotive Repair Technical Discussions for April 14, 2015
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(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for GM
Help Request Answers
2000 Buick LeSabre Custom 3.8L Misfire VIN: 1G4HP54K3Y
Vehicle came in from out of state with complaint of a hard start. Found Fuel Pressure at 38lbs KOEO and would bleed to 0 after 30 minutes. Replace Fuel Pump, Relay, and Filter as well as plugs and wires at customer request. Started right up, test drove and pop... Trouble codes: P0300 (Random Misfire)
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2001 Chevrolet Silverado 2500 HD 6.6L Excessive Emissions, Blue smoke VIN: 1GCHK23181
This truck came to us with a complaint of excessive blue smoke when hot. I drove the vehicle to warm it up and did not notice any smoke while driving. The motor idles smoothly and runs well. I returned to the shop and let it idle for several minutes. Light blu...
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Fixes & Summaries for GM
Fix/Summary Answers
1967 Chevrolet Camaro 5.3L Poor Idle Quality, Cuts out VIN: 123377N202
The case of the missing metering plate has been solved! This is what this piece is actually called in the spec. sheets, and they all show it being in there. The metering body is usually referred to as the metering plate, as opposed to the metering block with t...
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2007 Chevrolet Express 1500 LS 5.3L Mechanical VIN: 1GCEC19Z77
End up replacing the defective transfer case, thanks for everyone who help me with this matter
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1996 GMC K2500 Sierra SL 6.5L No Boost VIN: 1GTGK29F3T
Tested the circuits from the PCM to the wastegate solenoid every which way I could, unable to find a short. Replaced connector and about 6" of wiring at solenoid, problem is gone. Found wire broken internally right at connector. Thanks for the help! Trouble codes: P1656 (Intake CMP Actuator Solenoid Control Circuit).
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