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Prev Professional Automotive Repair Technical Discussions for January 3, 2009
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Open Help Requests for GM
Help Request Answers
1997 Chevrolet Blazer 4.3L fuel gauge VIN: 1GNDT13W3V
truck is a no start,amp wave and pressure test prove it to be a faulty fuel pump,customer oks repair and tells me the fuel gauge is also inoperative,i tell him that the fuel pump module has a new sending unit also and that should fix his gauge.i then installed...
2002 Chevrolet Express 3500 LS 5.7L Stall, Misfire, MIL Lamp on VIN: 1GAHG39R12
hi friends,this van came in with a misfiring and a hard start problem.I found that the fuel pump was only puting out 40 it was replace and that took care of the hard start.after installing a new distributor I start having a p01345 code.found ot that the... Trouble codes: P0351, P0300
2001 Pontiac Grand Am SE 3.4L MIL Lamp on VIN: 1G2NF52E61
Happy New Year fellow techs.Have this pontiac with a strange temp guage.Guage will not move past 100.SES comes on with a po125-coolent thermostat code.Cooling fan runs constantly when this happens.Replace temp sensor and it worked for about a hour.Also when th... Trouble codes: P0125

Fixes & Summaries for GM
Fix/Summary Answers
2002 Cadillac Escalade 6.0L gear box and hydro boost VIN: 1GYEK63N62
took three pumps, o/e mind you before we got a good one. thanks to all. i hope no one else has to go thru that many.
2005 Cadillac STS 4.6L ipm/rim VIN: 1G6DC67A35
Hi thanks to the guys who helped,had to tow to a gm dealer. I know a tech there,he reprogramed the rim module and all is well. I do not know why my tech 2 would not work but he told me that all he did was put in the correct RPO data in the rim module and it ...
2006 Chevrolet Colorado LT 2.8L Misfire, MIL Lamp on VIN: 1GCDT14896
I was overconfident in my own ability to find cause of idle misfire. Although swapping coils and plugs, injectors also did not change misfire location, only after reflection of what I saw at valve stems on cyl 3 upon manifold removal caused me to ask for help.... Trouble codes: P0300 (random misfire).
1997 GMC Yukon SLE 5.7L Pinging / SparkKnock VIN: 1GKEK13R3V
97 Youkon IS FIXED !! Thanks to all.. The main culprit was the lower intake gasket. under the intake it had warped and slid down to the point where crankcase air and oil from the valley were being sucked into the # 3 hole. GM. changed the intake bolt d... Trouble codes: P1870, P0300 (Random Multiple misfires).
2001 Oldsmobile Aurora 3.5L drivers blend door VIN: 1G3GR64H31
needed tech scan tool to properlly figure out if it was hvac control head or body control module problem. sent to dealer. found bad body control module. had them replace and tested. ok.
2005 Pontiac Montana SV6 3.5L awd system VIN: 1GMDX33145
Versatrak system was fixed by replacing the rear differential actuator. I removed the actuator, cycled the key and the actuator did not respond. Power and ground were present at the connector and I assume the 3rd wire was for feedback. Thanks to Steve Jasunas ...
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