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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for December 24, 2013
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Open Help Requests for GM
Help Request Answers
1999 Chevrolet Express 2500 5.7L engine VIN: 1GCGG25R5X
this van came for check engine light ramdon misfires I checked misfire counter and showed misfires on number three only pulled plug and they were orig replaced them with wires cap and rotor ran smooth when started after a few seconds started running rought cha...
2002 Chevrolet Impala 3.4L injectors VIN: 2G1WF52E02
car was towed in with a no start i found the battery was grave yard dead i replaced battery started the car drove it about 3 miles parked it in front about 4 hr. went to pull it in for the night on start. It has not started sence. I have fire 59lb fuel presher...
2003 Chevrolet Tracker 2.0L Mechanical VIN: 2CNBJ13C13
tracker came in complaint would not go over 20mph after driving a while found front brakes holding on re leaving psi from bleeders free up brakes. after replacing master cyl,frt hoses,loaded calipers & rotors can not get a good brake pedal. it has a load sensi...
2006 Chevrolet Impala LT 3.9L engine VIN: 2G1WC58176
customer was driving heard a single loud noise and car died and would not restart no crank. was driving perfect with no noise at all. engine will turn by hand only to a certain point both ways and then abrupt stop. pulled starter and belt , condition the same....
2013 Other GM santa's 800CID navigation
Santa must have his sleigh back by Tuesday night in order to make deliveries around the world. Without navigation working he may have to postpone Christmas. I told him don't worry I know a bunch of great mechanics that will get him back in the sky in no time. ...

Fixes & Summaries for GM
Fix/Summary Answers
2008 Buick Lucerne CXS 4.6L Abs VIN: 1G4HE57Y38
I would to thank everyone for info, I check all the connections at the YAW sensor to ABS module and both front speed sensors. Micheal talked about fretting at the ABS module, I believe this is were the problem was. I used stabilant 22 on connectors. I tighten...
2007 Chevrolet Silverado 2500 HD LT 6.6L MIL Lamp on VIN: 1GCHK23617
Thanks to all who replied. Removed the DPF sent it to a rad shop who specialized in cleaning filters. They said it was plugged, installed it. Customer says its running like a champ. Thanks again Trouble codes: P2463 (DPF soot accumulation), P244B, P244C.
1996 Geo Metro 1.0L Surge VIN: 2C1MR2266T
This vehicle is still not fixed. I did replace the PCM with a used one, but it didn't change anything. I could remove the vacuum hose from the MAP and it won't surge, but it also changes the idle speed, so I think it is just covering up the cause of the proble...
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