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Prev Professional Automotive Repair Technical Discussions for April 1, 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
2004 Buick Rendezvous CX 3.4L No Start VIN: 3G5DA03EX4
I sure hope someone can help us, I'm out of ideas. This thing came to us from another shop for a cranks but no start. We found code p0341 (cam signal). The pigtail to the cam sensor was all frayed with bare wires. So we replaced the cam sensor and pigtail. The...
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2003 Chevrolet Suburban 1500 LS 5.3L alternator VIN: 3GNFK16Z73
Customer concern, Battery light and red brake warning light on, Condition is intermittent and has not occurred since visiting our shop. Has not acted up in two weeks. Codes p1637, p1638 set in pcm, C0291 stored in history in abs module. I have repaired problem...
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2004 Chevrolet Silverado 3500 6.6L No Start, Stall VIN: 1GBJK34154
TRUCK CAME IN ORIGINALLY AS A INTERMITTENT NO START, CUSTOMER WOULD PRIME IT AND IT WOULD START. FOUND IT HAD NO VACUUM AT TEST PORT WHEN CRANK/NO START. TRACED SOURCE OF LEAK TO FUEL FILTER. REPLACED FILTER AND REBUILT FUEL FILTER HOUSING (DORMAN KIT) CAME BA...
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2006 GMC Sierra 2500 HD SLT 6.6L Hesitation, MIL Lamp on VIN: 1GTHK23216
Hey guys see if you can help me with this one ? This is the problem I'm having . 2 codes p003a vane position not learned. And p0234 turbo overboost . This is what I check so far I pulled the plug out of the left side of the turbo the one with the snap ring and... Trouble codes: P003A, P0234 (Engine overboost)
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2008 Pontiac Solstice GXP 2.0L coolant temp VIN: 1G2MG35X18
First, on this turbo 2.0 how in the f*&^k do you replace the thermostat? do you have to take the turbo and manifold off? anyone done it? what is happening, it only has 73k miles on it. every onece in a while the temp rad light comes on. I couldn't find a probl...
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2008 Saturn Astra XR 1.8L Vent Valve VIN: W08AT67148
hi people. have a head scratcher here and need ideas. this car has a recurring check engine light for a p0446 vent circuit problem. the system has no leaks and I can manually activate vent solenoid at the pcm connector. I replaced vent solenoid assuming it was...
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2008 Saturn Astra XR 1.8L Keyless entry remote VIN: W08AT271X8
I'm trying to program a new keyless remote on an '08 Saturn Astra XR. Vehicle asks for a 4 digit security code to continue procedure. Where do I find this code? Is there a standard code for all Astra's, or is it different for each one?
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Fixes & Summaries for GM
Fix/Summary Answers
2003 Chevrolet Corvette 5.7L Mechanical VIN: 1GNB313KT3
THANKS GUYS, WENT INTO PCM ID DATA FOUND THE VIN AND LOOKED UP WIRING DIAGRAM AND FOUND PIN BY PIN ON PCM WHAT WAS NOT WIRED. FOUND OPEN WIRING FOR REV LIMITER, WAS NEVER WIRED. CRANK LEARN THEN FINISHED.
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2003 Chevrolet Silverado 2500 6.0L Slow starting VIN: 1GCHK29U53
ENDED UP REPLACING THE OTHER FIVE INJECTORS WE DID NOT REPLACE AND SO FAR CUSTOMER SAID TRUCK BEEN STARTING OK ITS ONLY BEEN TWO DAYS . THANKS TO ALL THE TECHS WHO HELP OUT.
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1995 GMC K2500 Suburban SLE 7.4L Poor Idle Quality, Surge, Cuts out, Stall, Misfire, VIN: 1GKGK26N6S
Thanks to all who replied! we smoke tested the vehicle and it had signs of a possible intake leak and/or cracked intake. The customer decided he wanted to pull the intake and reseal and inspect for cracks. Heard back from customer after he did reseal, the v...
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2003 Pontiac Aztek 3.4L ignition switch VIN: 3G7DA03E53
I had the switch indexed incorrectly as a couple of you pointed out. I was pretty sure it was correct as I had it originally installed with both the key and the actual switch back in the off/locked position. In fact the switch had to be advanced slightly to ...
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