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Prev Professional Automotive Repair Technical Discussions for March 9, 2015
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Open Help Requests for GM
Help Request Answers
2000 Buick Park Avenue Ultra 3.8L MIL Lamp on VIN: 1G4CU5415Y
Thanks in advance, I have this 2000 Buick Park Ave. with a 3.8 super charged engine, that is setting a p0401 on every test drive. EGR valve has been replaced, EGR valve does move to 100% when commanded and vehicle starts to misfire and run rough when commandin... Trouble codes: P0401 (Insuffecient EGR flow)
2003 Cadillac Escalade 6.0L Cuts out, MIL Lamp on VIN: 1GYEK63N73
Engine will cut out and RPM is reduced to 1200 when problem occurs. Code P1516 comes up right away. Checked all computer connections but I can't get it to act up for me. SUV always comes back in "limp mode". I clear the codes and all is good, sometimes it goes... Trouble codes: P1516 (Problem with throttle)
1990 Chevrolet Blazer Silverado 5.7L Passenger side front tire VIN: 1GNEV18K3L
This 4WD truck needs some more positive camber to cure outer tire wear on the passenger side. I see that they may have two ways to get more camber- with a shim for the spindle or some type of way to offset the upper ball joint? What is practical for this probl...
2003 Chevrolet Avalanche 1500 North Face 5.3L Mechanical VIN: 3GNEK13T43
Hi every one out there, we have 2003 avalanch 4x4 every 2 or 3 monts these car braking transmisson housing betwen transmission and transfer case , we did replace two times this housing and transfer case too but same thing , any body had this kind of problem .i...
2008 Pontiac Montana SV6 3.9L MIL Lamp on VIN: 1GMDV03W28
Hi, folks. This Montana will come in with the CE light on and codes P0116, P1174, P2070. They all seem to set at once. They are very intermittant. In the past we reset the alchohol content using the Tech2 for p1174 because it was showing an out of range cont... Trouble codes: P0116, P1174, P2070

Fixes & Summaries for GM
Fix/Summary Answers
1995 Chevrolet G30 Hi-Cube 5.7L Surge, Cuts out, Stall VIN: 1GBJG31K6S
thanks for all the responses on this vehicle, took awhile but did find that the previous shop did not install the camshaft correctly (approx. 3 teeth off) again I am sorry for the late response back but had to get customer to allow us to tear down front of eng...
2008 Chevrolet Avalanche LS 5.3L #7 spark plug VIN: 3GNFK123X8
The customer is in talks with gm about this situation.What we did find was that there is fairly deep scratches in the #7 cylinder wall,possible from the plug bits.We also found the bulletin pertaining to this situation was not totally performed,the shield arou...
2008 Chevrolet Silverado 2500 HD WT 6.0L shift mechanism VIN: 1GCHK24K58
thx for the replies. i had tried removing cable with lock cylinder in place but no matter which way i turned wiggled or twitched it, cable would not come out. with the lock cylinder and ignition switch removed i reached in with a big flat bladed screwdriver an...
2008 Chevrolet HHR LT 2.4L gauges and warning lights VIN: 3GNDA53P58
This issue with this car turned out to be the ABS module. I noticed that the very first fault to come in was in the engine module ( no comms with ABS ). Also, I had the no crank situation on one occasion and if the ABS is unplugged, the car will not crank. Aft...
2006 Pontiac Vibe 1.8L Brake Warning indicator VIN: 5Y2SL65846
Thanks to everyone who offered their input. I repaired issue with the light not coming on with parking brake applied, which was a dirty connection at the switch. Had already verified that the light would come on if brake fluid level was low. Special note: Igno...
2007 Pontiac G6 GT 3.5L convertable VIN: 1G2ZH36N37
Thank you everyone for your time. Folding top header dowel pin s17 was stuck. Working well now, for now.
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