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Prev Professional Automotive Repair Technical Discussions for May 30, 2013
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1998 Chevrolet C3500 Cheyenne 5.7L Hesitation VIN: 1GBJC34R7W
truck came in with a no start. checked fuel pressure. at 60psi KOEO. had bright fuel injector pulse. weak spark out of cap. cap and rotor were original, corroded and burned up. replaced cap, rotor, plugs and wires. now have good blue spark well over 30kv. stil...
2002 Chevrolet Cavalier LS Sport 2.2L Shifting VIN: 1G1JH12F52
Ok guys thanx in advance this car came to me from another shop and I seemed stumped car does not go over 30 miles hr also has 3 codes p0753,p0758,p1860 if you clear the codes they come back 10 seconds after restart you don't have to shift or touch anything and...
2002 Chevrolet Cavalier 2.2L No Start VIN: 1G1JC52452
Ok this car is KILLING me! Customer said car just died at light. Towed in with spark, compression, but no fuel pressure. Had power at fuel pump pigtail, so we replaced the fuel pump module (complete unit). Didn't start, we assumed it was a defective module, re...
2002 Chevrolet Corvette 5.7L Oil pan, Timing cover VIN: 1G1YY22G42
Hello group we sealed this corvette two months ago, now it leaks on the top side of the gasket under the crank seal. The crank seal is good and it is not leaking from the corners of the cover. I have done a lot of the suburban oil pans with no issues, bolts wh...
2008 Chevrolet Malibu LTZ 3.6L engine reduce power VIN: 1G1ZK57788
2008 Chevy Malibu, having this problem with eng power reduce code, p1682, as soon as this code comes,traction stability comes as well on the panel with code c0242. what unusual i notice is, whenever the car warm up, i mean when the car is driven for long or wh...
2009 Chevrolet Impala LT 3.5L Poor Idle Quality, Misfire, MIL Lamp on VIN: 2G1WT57K89
Thank you for any help on this.this car is loaded with codes and ABS light and traction control light on Cleard the pcm and the codes came right back. I do not have a bidrectionl scaner . Can any one help me as to were to go next? Trouble codes: P0335, P0036, P0054, P0325
2010 Chevrolet Silverado 1500 WT 4.3L stability control VIN: 1GCPCPEX7A
c0455 only sets when turning wheel if its straight ahead does not set. We followed procedure for installation. There is no calibration available for this sensor on this truck. Sensor comes pinned. The steering angle says on tech 2 -221 and never changes. The s...
2001 GMC Sierra 1500 SL 5.3L air bag indicator VIN: 2GTEK19T81
Hello everyone! We have this pickup truck here that has an air bag light on. The codes stored in memory are b0026- driver's deployment loop open and b0090- instrument panel disabling switch circuit. Both are hard faults. I know a lot of these trucks and other ...
2000 Pontiac Grand Prix SE 3.1L Ignition VIN: 1G2WJ52J3Y
Vehicle came in with no start condition code P0341 no cam sensor reference pulse. Verified and replaced cam sensor and car started and ran fine. Next day cust called with no start again. No codes and no spark, replaced with a good used module/coil pack and it ...
2002 Saturn SL1 1.9L Lock Cylinder VIN: 1G8ZG52812
We were doing a simple lock cylinder tumbler replacement on this car. I had the dealer cut me a new key from the vin, then used the key code to code the new tumbler assembly. The coding went fine and the key would drop the locking mechanism in flush. the tumbl...
2005 Saturn Ion-2 2.2L No Start, Poor Idle Quality, MIL Lamp on VIN: 1G8AN12F25
This car was tow in for won't stay run. Found a handful of code. TRY clear it, BUT P0102, P0443, P0325, and COOLANT message is on the dash has came back. Look up the wiring diagram, and found most of the sensor is power by FUSE #10. Don't know why the fuse was... Trouble codes: P0102 (Mass Air Flow Sensor Ciruit Low Frequency), P0135 (Heater O2 performance Bank 1 Sensor 1), P0141 (Heater O2 performance Bank 1 Sensor 2), P0443 (Evap Purge Solenoid control Circuit), P0325 (Knock Sensor Module Performance)

Fixes & Summaries for GM
Fix/Summary Answers
2000 Buick LeSabre Custom 3.8L blower
thanks,lots of good replies.i pulled glove box to help.i finally pulled the front carpet out,it needed to dry anyway.i removed the passenger front seat.once I wedged myself under the dash I could see all six screws holding the blower.removed these and t...
2004 Chevrolet S10 LS 4.3L Misfire, MIL Lamp on VIN: 1GCDT13XX4
Thanks to all that replied. After rechecking injector and ignition and compression, regular and running, and a leak down test it fially reared it's ugly head. The running compression test showed inconsitatant compression reading so pulled the heads and found t... Trouble codes: P0300.
2006 Chevrolet Malibu LS 2.2L Dash Lights & Tail Lights VIN: 1G1ZS53F36
We found that if we pushed down on the trunk when it was already closed, we could blow the fuse, the trunk latch was shorted inside, the latch was replaced and the problem is gone. Thanks to all.
2001 Oldsmobile Alero GLS 3.4L Mechanical VIN: 1G3NF52E21
We replaced the injectors and the miss is gone, before replacing, we swapped injectors and the miss changed to the other cylinders. Thanks to all.
2006 Saturn Ion-2 2.2L Compressor VIN: 1G8AJ58F86
Thanks to all whom replied and offered help. After pulling ecm and closely inspecting pins, pin 47 C2 (which is suspected circuit) looked discolored compared to others. Anyway givin the issue with fuse block decided to replace and program ecm. All is good n...
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