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Prev Professional Automotive Repair Technical Discussions for June 6, 2006
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Open Help Requests for GM
Help Request Answers
2002 Buick LeSabre Limited 3.8L Starting VIN: 1G4HR54K72
keep gettin a b3055 key not present. did the key relearn a bunch of times, same code got master key from the cust. and still same thing. wondering if im just not doing something right. I asked the cust if he might have tried to jump start the car and crossed t...
1988 Chevrolet Celebrity 2.8L Poor Idle Quality, Stall VIN: 1G1AW81W8J
customer complained of stalling at stop lights. I scaned vehicle found no codes and a lot of strange readings on test data replaced ECM started engine scaned it got no responce tured off then on engine not running scaned and got o2 codes replaced o2 scaned aga... Trouble codes: 13 (o2 fail), 61 (o2 fault)
1992 Chevrolet Corvette 5.7L Cuts out, Stall, Misfire, MIL Lamp on, asr failure VIN: 1G1YY33P4N
i can not clear service engine light or service asr light. replaced ecm and prom because if you even touch them the car will stall(before & after replcement). i have ran flow test for codes 36& 16 (ok).have read that asr shares ecm & ecbm, connected through ta... Trouble codes: 36 (high resolution problem), 16 (low resolution problem)
1995 Chevrolet Blazer 4.3L No Start VIN: 1GNDT13W4S
injector pulse width(while cranking) very low .3,nozzles will spray for a second then stop,noid light at injector flashes bright for a second then flashes dimmer. nothing obvious on scanner,powers and grounds ok,good fuel pressure ,good spark,no codes,new cap,...
1995 Chevrolet Astro 4.3L brake hydra booster VIN: 1GNE119W6S
vehicle came in with the complaint of hard brake pedal and vehicle doesn't seem to have power brakes anymore. front brakes will stick for approximately 16 seconds after pedal is applied with engine running. we replaced the brake hydra booster twice with a re...
1996 Chevrolet Camaro 5.7L Surge, Misfire VIN: 2G1FP3T213
Hello Gm gurus, looking for help on this one please. We have an ignition missfire on this Z28 only after the vehicle has been driven at cruise speeds 110-120 KPH for 15 - 20 minutes. It had a heated o2 code P0134 on bank 1 sensor one. With the Tech 2 on board ... Trouble codes: P0134
1997 Chevrolet C1500 5.7L Shoes & drums
Hi all, this truck is my Dad's personal vehicle and he's tired of complaning about the brakes (and i'm tired of dealing with them). I did a full rear brake job about a month ago, and adjusted the shoes out to the appropriate position to allow the wheels to spi...
1998 Chevrolet Cavalier 2.2L leaking refrigerant VIN: 1G1JC5241W
this car come to my shop and no air condition,I charging the refrigenant to a/c system with (uv dye).and a/c system working ok.we use (true uv led)to checking it no leaking.after 4 day the car come back the a/c no working and cold air.we use leaking detect uv ...
2003 Chevrolet Tahoe LT 5.3L Driveabilty VIN: 1GNEK13Z43
No commiction problem. Has three codes in history, nothing current. PO 507 idle control too high. CO 226 LF wheel sensor and CO236 rear wheel sensor. Ihavce no speedo, ABS light on, Brake light on, and no speedo. Eng will not run, Trans wont shift.
2004 Chevrolet Trailblazer LS 4.2L MIL Lamp on VIN: 1GNDT13504
The smog pump does work because the O2 flatlines when it is on, but the Check Engine light keeps coming back and every time I take the lines off of the smog pump a cup or so of water pours out of the lines and the pump. The air cleaner and the plentum is dry a... Trouble codes: P0410 (Secondary injection pump)
1996 GMC Jimmy 4.3L High Pressure VIN: 1GKDT13W6T
Vehicle came in for A/C inop. Recovered .6 lbs. Recharged to spec (2.0lbs) and found high pressure cut-off leaking. Also noticed that high side pressure between 300 & 350 PSI and low side around 60 PSI. Discharge temp at 60*F ambient 80*F. Replaced cut-off sw....
1998 GMC K3500 Sierra SL 7.4L Starts hard VIN: 1GTHK33J5W
We have a customer with a 1998 G.M.C. K3500 pickup with a 7.4 engine that has had a problem with a long crank time before starting. It has had the intake manifold gaskets replaced to stop a coolant leak, the fuel pressure regulator replaced, a rebuilt distribu...
1997 Oldsmobile LSS 3.8L No Start VIN: 1G3HY52K1V
hello GM techs. this MAY be simple. original complaint from customer is occational no crank, no start, usually when car is hot or at least sitting in sun all day. we could never duplicate problem. we wiggled and probed solinoid wire, checked battery cables for...
1993 Pontiac Grand Prix SE 3.1L reverse VIN: 1G2WH54TOP
This Pontiac runs and drives fine. All shifts good plus lockup. It just will not go into reverse. Scan data was all messed up with all kinds of codes and data that didn't make any sense. I cleared the codes and they returned immediatly, yet the car runs OK. I ...
1997 Pontiac Grand Am SE 2.4L abs VIN: 1G2NE52T0V
Good evening to all and thanks in advance.I have this grand am that at speeds over 25 mph during a normal (no abs needed) stop hear a clicking under the hood.also with scan tool can see abs motor feedback and amp readings go from 0 to codes stored.I hav...

Fixes & Summaries for GM
Fix/Summary Answers
1989 Cadillac DeVille 4.5L electronic climate control VIN: 1G6CD5151K
sorry it to so long to reply customer is happy did replace the bcm and still had noise behing glove box so we also replaced that actuator thanks for the help
1996 Chevrolet Cavalier 2.2L ipc VIN: 1G1JC1241T
Found the hidden grounds behind the IPC (made sure clean and tight). Removed the rusted bolt holding the ground wire to the battery tray, cleaned and rebolted the contact to the tray. Checked the airbag module and connector under the pass seat, no corrosion an...
2000 Chevrolet Impala 3.4L No Start VIN: 2G1WF55E4Y
Thanks to all. Most of the replies said to recheck the integrity of the ignition cylinder circuit. Rechecked several times and allways had a good reading. Retested everthing and ended up finding a intermittint rubbed power wire where someone had repaired other...
2001 Chevrolet Metro LSi 1.3L No Start VIN: 2C1MR522X1
first i want to thank you all for the replies, bob you were right about the plugs, when i put the ngk's in it starter more often but still not a fix, however micheal lead me in the right direction, what was happening was that #2 & 3 injectors were not getting ...
2002 Chevrolet Silverado 2500 HD 8.1L Engine noise VIN: 1GCHK23GX2
Hello all Unfortunalty this vehicle has not returned for us to try some of the good suggestions that we received. Our customer uses this vehicle for traveling and has been out of town for the past month. I'll try to post furhter repair info if we get this ve...
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