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Professional Automotive Repair Technical Discussions for December 8, 2015 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 2005 Chevrolet Tahoe LS 5.3L No Start, Stall VIN: 1GNEC13TX5 As is stated above this vehicle came in for a no start concern. Replaced fuel pump and vehicle still has issues starting. Found intermittent no spark. Found good power to coils but no ground. Replaced pcm/now have securtiy light on in dash. Security light was ... |
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| 2005 Chevrolet W3500 Tiltmaster W3S042 5.2L Cuts out, Limp Mode VIN: J8DB4B1625 This is my first request I have ever had to place so thank you for anyone that responds.I am a diesel repair shop and work on all types of vehicles. Vehicle has had an intermittent limp mode issue where vehicle will just lose accel and drop to just a few mph u... |
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| 2012 GMC Sierra 1500 SLE 4.8L cooling fans VIN: 3GTP2VEA8C this came in with an overheating condition and we found that the cooling fans did not kick on when vehicle has reached around 230 deg f. I checked fan function through scanner and found all three relays are controlling fans as they should. when engine is overh... |
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| 1997 Pontiac Firebird Formula 5.7L No Start, MIL Lamp on VIN: 2G2FV22P2V Hi and thanks for reading. This car was towed in no crank & no start. Battery was dead from cranking. After charging it cranks OK albeit seems to crank fast. This would indicate to me internal wear / timing chain? Has weak and intermittent spark. Has noid ligh... Trouble codes: P0100 (Maf check malfunction), P0103 (Maf circuit high), P0141 (O2 heater circuit bank 1 sensor 2), P0161 (O2 heater circuit bank 2 sensor 2), P0410 (Secondary air injection system), P0420 (Cat efficiency low bank 1) |
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| 2006 Saturn Vue 3.5L No Start VIN: 5GZCZ53456 All righty members I'm stuck! A shop called me in to diag a 2006 Saturn Vue with the V6 engine. The owner filled his gas tank and it hasn't started since. No communication from the PCM or TCM the other modules will communicate but no codes. Here's what's odd..... |
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| 2009 Saturn Vue XR 3.6L Hesitation, Cuts out Complaint is losing speedo-tach, service airbag light on, service trac control, multiple icons on. Where would I look for possible bad connections at above codes LISTED: UO155, UO140,UO168,UO214,B1325,B1517. tHANK YOU Trouble codes: U0155, U0140, U0151, U0168, U0214, B1325 |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1972 Chevrolet Nova 5.7L master cylinder VIN: 1X27D2L144 Thank you everyone for all the excellent advice and taking the time to help me figure this one out. The fix turned out to be using a Willwood Combination Knob type proportioning valve along with a vacuum cannister due to the large cam the stroker engine has. I... |
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| 1999 Chevrolet Silverado 1500 5.3L Drive train? VIN: 1GCEC19T7X First off let me start by thanking all who responded. You Guys and Gals are awesome as usual! I had already checked all of the under body splash shields and heat shields. I have replaced the carrier bearing in the drive shaft and checked the u joints for bindi... |
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| 2007 Chevrolet Malibu LT 3.5L No Start, Stall I'll call this a fix as I believe I found the reason for the condition. This being an old farmer was the key to this as he still lives on the farm and topped off out of his own barrel there. The fuel was aged, plus it may have been summer blend, we added a pro... |
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| 1997 GMC C1500 Sierra SL 5.7L Unknown VIN: 2GTEC19R7V HI, EVERYONE TODAY 12/08/2015 FINALLY THIS NIGHT MARE IS OVER AND THIS TRUCK GOING TO CUSTOMER, WE HAD TO CHANGE THE PUMP PART OF ABS,WHICH WE HAD DEALER DO IT BECAUSE OF WARRANTY COVERAGE. THANKS TO ALL FOR YOUR RESPONSE. MATT |
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