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Professional Automotive Repair Technical Discussions for May 14, 2015 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 2005 Buick Terraza CX 3.5L abs VIN: 5GADV23L55 This vehicle came in to our shop with an ABS fault, and had codes C0050 and C0045 which are for both rear WSS circuits. Replaced all of the wiring fron the ABS module back to the sensors, replaced the sensors, no matter what we do the light comes back on ususa... |
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| 1995 Chevrolet Lumina 3.1L High idle VIN: 2G1WL52M9S I have a 3.1L with a high idle and I cannot nail it down. I'm trying to diagnose it without throwing parts at it. I have cleaned the throttle plate and body. I've taken the IAC out and cleaned it. Searched for vacuum leaks and cannot find one. I've even backed... |
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| 2001 Chevrolet Astro LS 4.3L check engine light VIN: 1GNDM19W31 Customer came in with check engine light on. P0446 vent control circuit. Replaced shut off valve and smoke tested system, no leaks. Check engine stays off for about a month and about 700 miles of driving. Come in with the same code. Smoke test system again wit... |
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| 2010 Chevrolet Traverse LT 3.6L MIL Lamp on VIN: 1GNLRFEDXA I have a friend with this Traverse that immediately resets this p0008 code. Oil level is correct, I don't have access to service history. Upon researching this code I have seen problems with timing chain wear/stretch. Since I don't have access to a scanner tha... Trouble codes: P0008 (Cam/crank correlation out of tolerance) |
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| 2012 Chevrolet Express 2500 4.8L MIL Lamp on VIN: 1GCWGFCA8C Customer states he can not put fuel into tank for 20 min. Pushing pressure with vehicle turned off. Now tank is venting out of the top of the vent valve into the atmosphere. Strong fumes under car on a hot day idling. Codes for both banks rich and too much pur... Trouble codes: P0173 (Syst rich) |
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| 2004 GMC Envoy XL SLT 4.2L Rear turn signals VIN: 1GKET16S04 This one has me a little baffled here. Originally came to me for no rear brake lights. The center brake light worked fine. I had power to the circuit boards and replaced them with new ones. Now I don't have rear turn signals. I have swapped out bulbs and even ... |
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| 2008 Saturn Vue XR 3.6L master cylinder VIN: 3GSDL63708 Vehicle came in loosing brake fluid found master cylinder leaking in booster replaced master cylinder and brake booster ac delco new parts after road testing after 10 min brakes binding without touching brake pedal released vacuum from brake booster and the br... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1990 Buick Riviera Luxury 3.8L Stall VIN: 1G4EZ13C1L thanks every one this car is now fixed it has been gone and has not returned after replacing the pcm 4 times with remanufactured computers the problem was finaly solved . I kept getting bad pcms out of the box that would cause multiple other problems Trouble codes: 26 (quad driver module). |
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| 1995 Chevrolet K1500 5.7L Hesitation, Surge VIN: 2GCEK19K1S Almost all of you guys nailed it. New EGR valve took care of it. Still learning every day. Thanks a ton guys! |
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| 2009 Chevrolet Silverado 1500 LTZ 5.3L oil prerssure VIN: 3GCEC33099 The good news is this truck is fixed! The bad news is I don't know 100% exactly what I did to fix it. I pulled the pan back off and replaced the pressure reliefe valve on the inside pan rail but I also looked closely at the old valve and could find no proble... |
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