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Professional Automotive Repair Technical Discussions for May 8, 2014 International Automotive Technicians' Network (iATN) - Members Only |
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| (Also Available: All, Asian, Chrysler, European, Ford, GM.) | ||
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Open Help Requests for GM
| Help Request | Answers | |
| 1994 Chevrolet Camaro Z28 5.7L No Start, Poor Idle Quality, Hesitation, Cuts out, Stall VIN: 2G1FP22P5R Hello all, I'm hoping there is someone out there who can help out. Car runs and starts ok (after replacing the starter) but after warming up or hot soak car starts to stumble and eventually stalls out. When it does stall out the car has a cranking no start but... |
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| 1999 Chevrolet Astro 4.3L mil VIN: 1GNDM19WXX I can see slip of up to 500 rpms, but can't feel anything wrong. I see and feel all gears shift and watch tcc commanded and see slip in all gears. When in 4th and tcc on its like 300 rpm slip and then I can see it go negative slip like -100 or so. I will test ... |
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| 2006 Chevrolet Cobalt LS 2.2L fuel pump engine cooling fan VIN: 1G1AK55F46 car came in with concern of overheating. started diagnosis. found cooling fan will not run unless in defrost mode. started checking fuses and relays found alternator overcharging, 16.4. tried to connect scan tool. will not communicate with pcm. rechecked fuses... |
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| 2007 Chevrolet Silverado 1500 LT 4.8L battery drain VIN: 1GCEK14C07 Hi all, I'm hoping someone out there that's good at electrical can help me out. I have this 07 Silverado here that will flatten the battery out overnight. The under hood fuse box was corroded bad, so was replaced with a new one. The problem is the same. I have... |
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| 2007 Chevrolet Suburban 1500 LTZ 5.3L digital display VIN: 1GNFK16377 Pulled codes and got two U codes: U0140-00 lost communication with body control module U0121-00 Lost communication with Anti-Lock brake system module Cleared these two codes and on the next scan we got: U0101-00 Lost communication with TCM U0100-00 Lost commun... |
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| 2008 Chevrolet Uplander LS 3.9L Floor VIN: 1GNDV231X8 Im not sure where else to look, Just recently when it rains I get water on the far right side of my passenger side floor board, I have read other forums where it is talked about a tube but I cant seem to find one. Any other suggestions as to where to look for ... |
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| 2012 Chevrolet Impala LS 3.6L fans VIN: 2G1WD5E31C Ok i need help this is a 2012 police car and it came in wth AC working sometimes . First thing i did was check the freon, it apaired to be to high so i evacuated and recharged the system. after doing so with the car running in the shop i found the low side at ... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1999 GMC C6500 Topkick C6H042 7.4L No Start, MIL Lamp on VIN: 1GDJ6H1B9X It is fixed... Was the customers cam sensor distributor assembly. Three of us techs looked at his part and compared it to one we ordered. Visually the two were perfect in every way. Reluctor,shaft clocking,are all the same. All who responded and took your time... Trouble codes: P0341. |
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| 2004 GMC Sierra 1500 SLE 5.3L Vacuum assist VIN: 2GTEK19T64 Danny & Roger thank you for the specifications/testing information. All components tested good for the few days I had vehicle. Intermittent symptom did not occur while here and has not occurred since vehicle left here 2 weeks ago. Thank you iATN members! |
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| 2004 Hummer H2 6.0L MIL Lamp on, Limp mode VIN: 5GRGN23404 SORRY FOR TAKING SO LONG WITH THE CLOSING. JUST WANTED TO MAKE SURE IT WAS FIXED. STORY GOES: CUSTOMER DROPPED VEHICLE OFF MONDAY FOR ME TO DRIVE AS MY PERSONAL VEHICLE FOR HOWEVER LONG NEEDED. VEHICLE WOULD GO INTO LIMP MODE ONCE SOMETIMES TWICE PER TRIP. HAD... Trouble codes: P0120 (Throttle position sensor circuit malfunction), P2135 (Throttle position voltage correlation). |
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