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Prev Professional Automotive Repair Technical Discussions for March 5, 2014
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Open Help Requests for GM
Help Request Answers
2007 Cadillac Escalade 6.2L Unknown VIN: 1GYFK63827
GM techs, need some help please. Have 6L80 transmission setting code p2723 - clutch pressure control solenoid 5 stuck off. Cleared that code, then code p2714 set pressure control solenoid 4 stuck off. Cleared that code and then set code p0756 shift solenoid 2 ...
1992 Chevrolet S10 4.3L shifting in to 1st VIN: 1GCCS14Z4N
I have the s10 in the shop that has seen better days.The problem is that its hard or damm near impossible to shift in to first gear while the truck is running.If you shut it off you can go through the gears no problem.Once you start the truck you need to SLAM ...
1998 Chevrolet Tahoe LS 5.7L ABS Module VIN: 1GNEK13RXW
Hi; another mystery similar to 95 Buick LaSabre data link connector. Customer had ABS light on solid. Scanned for and found codes C0281, C0237, Co223 and C0 222, pulled rf wheel and wss. Ohmed sensor and found resistance was out of specs. Replaced wss with new...
2002 Chevrolet Silverado 2500 6.0L Hydro boost/master cylinder VIN: 1GCHK23U12
this truck has become a real headache for me, any help will be greatly appreciated. Truck originally came in a month ago, customer stated that the brakes seem to be locking on. As he was driving (at highway speeds) he gradually had to apply more and more throt...
2005 Chevrolet Malibu LS 3.5L pcm VIN: 1G1ZT52835
we tried the key programing by alldata , but it will not work . what do I need to do?
2007 Chevrolet Silverado 1500 LTZ 6.0L oil pressure VIN: 1GCEK19Y77
Truck was diagnosed with a burnt valve from another shop and was quoted a new engine. I got the job instead and found that the truck had only a bad lifter. The customer wanted a rebuilt engine installed due to the mileage and possible camshaft damage. I had th...
2008 Chevrolet Express 2500 LS 6.0L low beam headlights VIN: 1GAGG25K08
This van will keep burning out the low beam headlights. It has the sealed beam lights. New bulbs will last from 2 weeks to 2 months. Any ideas what may be causing this? Thanks
2011 Chevrolet Cruze LS 1.8L Surge VIN: 1G1PC5SH0B
I have this car that only surges in drive with brakes applied you can put it in park or reverse and it wont surge but when you put it in drive and pump the brakes it does it every time has any one seen this before I was thinking a leaking brake booster but I r...
2012 GMC Terrain SLE 2.4L MIL Lamp on VIN: 2GKALMEK1C
Good morning, We have a strange one. I believe the vehicle is still in warranty? for this problem but the boss wanted it repaired here. The vehicle comes in with p0014 code. nothing found on alldata. Too new perhaps? Nothing found in fix database,we used 2011... Trouble codes: P0014
1995 Pontiac Grand Am SE 3.1L Poor Idle Quality, Surge, Cuts out, High idle when cold VIN: 1G2NE55M0S
This is my wife's car (thankfully). Her original complaint was that the idle would be very high on a cold morning and surge once warm, but not always. Without any further diagnosis, I assumed the IAC was faulty, so I replaced it with a Delphi part and reset th... Trouble codes: 86 (Internal ECM error), 87 (EEPROM error), 44 (Lean exhaust), 45 (Rich exhaust), 33 (Map circuit high), 34 (Map circuit low)
2005 Pontiac Grand Am GT 3.4L engine VIN: 1G2NW12E85
have a 3.4 that exhibits a stall upon start up when cold, and customer states vehicle surges at stop lights. so far i have not been able to confirm surging and have confirmed stall upon cold start. have replaced intake gaskets with no improvement on stalling. ...

Fixes & Summaries for GM
Fix/Summary Answers
2006 Cadillac CTS 2.8L Unknown VIN: 1G6DM57TX6
i replaced the pcm was made in hungary three pcm was replaced all from Hungary relearn all keys ok thank to all
2003 Chevrolet Trailblazer North Face 4.2L Unknown VIN: 1GNDT13S63
we finally got the truck to act up and will yhe problem was present we unplugged the brake light switch and the truck shut off.thanks too all that replied in leading me to a repair every day at work we learn something new.
2004 Chevrolet Malibu Maxx LS 3.5L battery VIN: 1G1ZT64804
After looking on and off for a week or so, was using to pick up a part- the display on radio showed 'deck ajar', even though there was no indication of it.. pushed trunk down to hear the latch CLICK.. The rear hatch would not 'POP' when released. Adjusted stri...
2007 Chevrolet Silverado 3500 HD LT 6.6L MIL Lamp on VIN: 1GBJC34647
Yes this is fixed!!! As some of you said the egr valve was stuck open I had it off before I got the replies but they help me know for sure that this was going to fix after putting the new valve in maf reading cold was in at 45gs and warm engine at idle 11gs an... Trouble codes: P0101.
1996 GMC K2500 Suburban 7.4L brakes abs VIN: 3GKGK26J5T
tx everyone ! ted and roger ...good advice. Common sense as I replaced known bad wss L F,the light went out
2006 Pontiac Grand Prix 3.8L MIL Lamp on VIN: 2G2WP55276
Steve [...] checked the fuel/alcohol content and it was less than 10%, Tim this vehicle is not E85 compatible so their is no learned alcohol content or relearn on this one, although I have seen that on others that are. Jeff, Jake, and Pat, this engine has crossov... Trouble codes: P0172 (Rich limit reached bank 1).
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