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Prev Professional Automotive Repair Technical Discussions for January 3, 2008
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Open Help Requests for GM
Help Request Answers
2004 Buick Century Custom 3.1L No Start, Hesitation, Cuts out VIN: 2G4WS52J54
This vehicle has several problems which occur intermittently: occasionally the engine will hesitate on a medium acceleration; 2nd issue: engine will crank over fine but won't start. It did start after a couple of attempts: this only occured once at our shop & ...
1998 Cadillac Catera 3.0L temp gauge VIN: W06VR52R4W
this ones got me stumped i just replaced the oil cooler and flushed out the system on one of these nightmares and after the fix the coolant temp gauge reads fully cold and will not move was wondering if anyone else has come across this or has any tips all help...
2000 Cadillac Eldorado ESC 4.6L rack VIN: 111111111
hi guys, hope you can help on this one. came in no p/s to left. replaced rack & pump. evreything works fine, message on driver info center service steering system with every key on. hit reset will go out till key off than on. there is a sensor in rack. does it...
2003 Cadillac DeVille 4.6L abs VIN: IG6KD54Y63
hi guys i have this deville in the shop i put a brand new ebcm module in it has 3 codes c1248 ebcm turned the red brake warning on c1255 internal malfunction c1255 m3 internal malfunction i check alldata says the module is unprogerm i have the tis and the tech...
1996 Chevrolet Cavalier Z24 2.4L No Start, Stall VIN: 3G1JF12T0T
Intermittently this vehicle will start up Ok, then customer drives a very short distance( couple of blocks ) and the car will stall. She has a hard time getting it to start and when it finally does start there is a fuel odor. Then the car runs fine for maybe a...
1999 Chevrolet Cavalier Z24 2.4L heater VIN: 1G1JF12T2X
HELLO ALL, I am in a real Jam hear HELP!! This vehicle has had a previous repair by a mech that is no longer here. I need some insight on the build and workings of this air box. The problem is a lack of heat all the time. The core is new and the tstat is new. ...
2000 Chevrolet S10 4.3L Cuts out VIN: 1GCCT19W9Y
hi guys, i have a 2000 s-10 pickup with a cut out problem. this truck runs like a top, no misfires, idles fine, except for when you start out and as soon as the tach hits 3000 rpm the motor cuts out almost like a rev limiter. it cycles two or three times the...
2001 Chevrolet Astro 4.3L bind up slight turn VIN: LGBEL19W81
customer noticed a bind sensation on turn under slight accerlation;is awd 136 gm t/c. with solace command on tight bind in turn as i would expect when command off still feels like binding but not as tight. new lube put in 12,000 mles ago when chain installed. ...
2004 Chevrolet Silverado 2500 HD 6.6L Heater VIN: 1GCHK23234
Hey all. This one I think is a possible blown headgasket, but have not been able to verify it yet. An intern at our shop performed a flush on the cooling system of this truck. The next day, the owner brought it back for a complaint of no heat and low coolant l...
2000 Other GM WORKHORSE 6.5L No Start VIN: 5B4KP32R2Y
OK guys,I know nothing about GM diesal trucks.THIS truck is a good friend of mine and Im trying to help him.Well it came in with a no start,I WENT TO CHECK IT FOR codes,but it said it did no have a ecm it said to pull the code threw the tcm,well I did this.The...
2001 Pontiac Grand Prix SE 3.8L No Start, Cuts out
I brought this vehicle in changed the belt also low coolant light would not go off had plenty coolant so i unplugged sensor on rad and replugged it... well the low coolant light is off now but the engine starts then stalls after 2 or 3 seconds tried diconnecti...

Fixes & Summaries for GM
Fix/Summary Answers
1992 Buick LeSabre Custom 3.8L Mechanical VIN: 1G4HP53L0N
I would like to thank all who replied you guys are great. well went back and adjusted rear brakes and problem solved.
1987 Chevrolet Caprice 5.0L Poor Idle Quality, Hesitation, Surge, Cuts out, MIL Lamp on VIN: 1G1BN51H7H
thanks to all who replied, especially to those who zeroed in on the distributor and pickup coil. i removed distributor, cleaned rust from pole piece, sharpened the 8 teeth a bit with a file, replaced the pickup coil and problem solved - smooth engine, no serv... Trouble codes: 12 (13 -), 13 (14 -), 14 (15 -), 15 (21 -), 21 (24 -), 24 (testing and results).
1997 Chevrolet C1500 4.3L Misfire VIN: 1GCEC14W8W
Thank you for the great help I received. many things were mentioned. the most popular were vac leaks and damaged distributors and drive gears. Egr valve problems and carbon were also mentioned. In the end, I ran a compression test using #3 as known good cy... Trouble codes: P0300 (multiple cylinder misfire).
1998 Chevrolet P30 Stepvan 6.5L Oil Pressure VIN: 1GBKP32Y4W
OK guys. She is back together and ran my route for 1/2 the day today with 75 psi cruise and 45 psi idle on the oil pressure gauge. Of the responses I got the consensus was to replace the pump/relief valve since they are combined. After further discussion an...
2002 Chevrolet Impala LS 3.8L hradlamps VIN: 2G1WH55K12
i replaced bcm as many of our members suggested and this did cure my problem. i did find a short in left door lock switch ,not sure if this caused falure or not . THANK YOU FOR ALL THE HELP. AND SORRY IT TOOK SO LONG TO POST FIX I WAS ON VACATION FOR THE HOLID...
2004 Chevrolet Silverado 2500 HD 6.0L MIL Lamp on VIN: 1GCHC29U84
Sorry about the delay, after reading all replies & tripple checking everything again. I replaced the vent valve solenoid once more and cleared the codes. The vehicle was driven over 3,000 miles in 10 days but the monitors would not run. Customer brought in to... Trouble codes: P0446 (evap vent performance).
2005 Chevrolet Uplander LS 3.5L No Start VIN: 1GNDV23L45
Here is what fixed it - Installed new battery with new post bolts (battery was discharging in 2 days just sitting / was a factory installed battery)/ When removing battery on this unit you have to take apart the fuse block that is located over it - found Power... Trouble codes: P1626 (anti theft fuel enable circuit), U1000, U1300, U1301.
2005 Chevrolet Aveo LS 1.6L no start VIN: KL1TD52645
thanks for all the help,, this car ended up at the dealer,, and i was told there was a 500amp fuze blown?? I plan to get the particulars and add to this close,,
1995 Pontiac Grand Am SE 2.3L antitheft
Thank you to all 11 replies that I received I was pleasantly suprised by the quick response I got to my problem.every one suggested the relearn process which worked fine. If this returns I have suggested to look at the Ign cyl like a few of you mentioned Than...
2001 Pontiac Grand Am SE 3.4L Brake Pedal VIN: 1G2NF52E71
Hey guys, thanks for all the help, it was the vacuum brake booster check valve. I pulled the valve off the vehicle and I could see water marks, replaced valve and customer is happy. Thanks again, Rob
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