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Prev Professional Automotive Repair Technical Discussions for July 11, 2013
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Open Help Requests for GM
Help Request Answers
2002 Buick Century Custom 3.1L Cuts out, Stall, Misfire VIN: 2G4WS52J82
Vehicle in question came in with a surging and stalling problem at light throttle on cruise. Tech before me replaced coil. problem still there. I get vehicle and monitor scan data and find map stuck at 1.2v. monitored voltage at sensor with meter and got same ...
2008 Buick Enclave CXL 3.6L liftgate VIN: 5GAER23798
we replaced the battery cuz it failed load test 3 time. installed batt. charge gauge erractic. alt seems to be working.had cluster rebuilt. message shows service 4wd. car is fwd. whats up with that
1996 Cadillac DeVille 4.6L Maxi Fuse VIN: 1G6KD52Y5T
Customer states headlamp fuse blows when H/L switch is pulled Found the 60 amp maxi fuse missing . Installed a new fuse and tried to operate headlamp system . Works OK for me. Lighting 60A Maxi fuse powers up headlamp fuse,hazard fuse,stop fuse , mirror fuse a...
2001 Chevrolet Suburban 1500 5.3L co265 VIN: 3GNFK16T51
co265 abs code reaccouring
2004 Chevrolet Silverado 3500 6.6L Poor Idle Quality, Surge
2004 Chev 3500 with a Duramax and automatic. The truck runs excellent most of the time but sporadically starts to run very rough, loud and perhaps not on all 8 cylinders but never actually stalls. Otherwise, runs great at all speeds - highway and city. The fo... Trouble codes: P0089 (Fuel Pressure regulator), P0192, P0101 (Mas Air flow sensor)
2004 Chevrolet Tahoe LT 5.3L EVAP system VIN: 2004TAH0E5
I cannot find Mode $06 definition for the following code...ECU ID:$10 TEST ID: $02 COMPONENT: $50 Normally I have access to Mode $06 Data from ALLDATA software which my shop has. DO an GM techs or mechs have the master list to Mode$06 definitions? Or define w...
2008 GMC Sierra 2500 HD WT 6.0L SDM Communication VIN: 1GTHK29K98
Customer stated ONSTAR was calling him concerning an accident. Air Bag light was on. Later both his pretensioner blew. Customer thought his vehicle had electrical fire. We inspected and found SDM corrosion. We ordered and replaced module. The plan was with new...
2001 Oldsmobile Intrigue GLS 3.5L idle high VIN: 1G3WX52H71
Hello all. I have a problem car that idles high intermittently. I couldn't duplicat the problem at first so I threw a IAC on it and gave it back to the owner. The car came back in the next morning idling at 2000 rmp. I tried to control the idle with the scan t...
1986 Pontiac Fiero SE 2.8L Unknown VIN: 1G2PF3792G
This is a kit car and has been converted into a Lamborgini Diablo. It has a 350 lt1 motor and a tranny out of an 07 Pontiac Grand Prix. Simple question. Is there something inside the tranny that could cause the car to stall when placed in drive or reverse? The...
2006 Pontiac Vibe 1.8L Misfire VIN: 5Y2SL65836
Men I need some help,I get this p0351 code.The car came in with this code and no contribution from cyl. 1 when hot . I was getting no pulse to the injector. power was there but no signal from the PCM. I went to the PCM and no trigger coming out.Replaced the PC... Trouble codes: P0351
2001 Saturn L200 2.2L dash gauges,security light,daytime lights VIN: 1G8JU52F21
Hi: I hope someone has seen this before. KOEO or KOER fuel gauge and temp gauge pulse most of the time, but not always. When gauges go to 0, security light flashes and daytime running lights flash off. This happens with a frequency of 5 -10 seconds. Odometer r...

Fixes & Summaries for GM
Fix/Summary Answers
1989 Chevrolet C1500 Cheyenne 5.7L Cuts out, Misfire VIN: 1GCDC14K3K
THANK YOU ALL FOR THE REPLIES! 1 Bad Spark plug breaking Down happened to be the problem! THEY WERE ALL BRAND NEW AND THE SCOPE ON MY VERUS NEVER PICKED UP THE MISS!?!?!?!? Sorry it took so long! If it walks like a duck and talks like a duck...
1995 Chevrolet Corvette 5.7L Water pump drive seal leak VIN: 1G1YY22P4S
Well all is well. First we did use the factory GM LT1 service tool kit on the first 2 seal installs. We ended up pulling the timing cover and found the bearing on the drive for the water pump that sits behind the timing chain had over .080 side to side movemen...
2004 Chevrolet Silverado 3500 6.6L No Start VIN: 1GBJK39154
Well after all this head banging and second guessing my self I advised customer and they decided to pick up the truck as is and let their mechanic take a crack at it. I am so thankful for all the responses, they really helped me in this diag. I am looking for...
2006 Chevrolet Malibu LT 2.2L No Start VIN: 1G1ZT51F86
well finally got this one running. rodger from kansas hit it, apparently owner of vehicle put half a tank of diesel in this car! I dropped the exhaust to verify backpressure issue ,then noticed diesel smell and raw diesel in exhaust manifold.then went to the m...
2009 Chevrolet Traverse LT 3.6L SRS module VIN: 1GNEV23D49
Thanks to Robert, Dustin, and Craig for your replies. Although helpful they were not what fixed this problem. Tech2 and [...] were the problem. This vehicle is on the same platform as the GMC Acadia, Saturn Outlook, and Buick Enclave. Well that was the f...
2007 Saturn Vue 2.2L Cooling fan VIN: 5GZCZ33D27
Thanks everyone for your help. The problem was caused by a loosing connection. The pin in the pcm connector for the fan 1 relay control was loose and loosing connection. We re secured the pin and the circuit code has yet to return.
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