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Prev Professional Automotive Repair Technical Discussions for November 21, 2006
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Open Help Requests for GM
Help Request Answers
1997 Cadillac Catera 3.0L heat VIN: W06VR52R7V
The customer brought the car back in for the diag. Found pass side blend door inop. Diver side blend door is functioning. While warming the car I noticed that there was now no heat from the vents at all. Checked heater core hoses, both at 100 degrees F. Mitche...
1996 Chevrolet K1500 Cheyenne 5.7L abs VIN: 2GCEK19R6T
Hello All, I have one that is making me pull out my hair. What happens is as you come to a stop, the ABS enages. Already cleaned under the abs sensors and replace the stoplamp switch. When watching the speed sensors on my MT2500, I noticed they would only go ...
1999 Chevrolet Cavalier 2.2L anti thef VIN: 3G1JC1242X
hey guys i need to know if there is a way to bypass the pass lock on this car,on the older ones the wires were cut and a resistor with the same value as the one the key had was installed,but this is the first time that i run in to this pass lock set up,thanks ...
2001 Chevrolet Camaro Z28 5.7L Hesitation, Surge, Cuts out, Stall, Misfire, MIL Lamp on VIN: 2G1FP32GX1
i replaced fuel pump, relay and filter.. other details is provided at above..please help me out. emission looks good.. please reply at : [...]... Trouble codes: P0200
2002 Chevrolet Silverado 1500 4.3L MIL Lamp on VIN: 1GCEC14W42
Hello fellow techs, Here is a challenge, this truck has been to the dealer several times and could not be fixed. It has a code for a misfire and for a bad converter. Only problem is that it doesn't have a miss. And, the dealer just put new converters on it. Ou... Trouble codes: P0300, P0???
2003 Chevrolet Impala 3.4L idle, compressor cooling fans etc. VIN: 2G1WF52E93
help. Idle will increase by its self up to [...] usually warm. AC compressor will ingage intermitently for less than 1 sec. Cooling fans run on low speed only. When rpm's are high, tap throttle and idle returns to normal, then will increase quickly again. W...
2001 GMC Sierra 2500 SL 6.0L ABS Light VIN: 1GTGK29U11
We have this GMC in here that has an intermittant ABS light on while driving. Sets code C0265 - EBCM relay circuit. Checked powers and grounds at module and pump motor. Cleaned ground on frame as per TSB 04-25-002C. Also cleaned main ground on frame. Removed, ...
1998 Oldsmobile Aurora 4.0L Cuts out VIN: 1G3GR62C4V
car came to me new customer from out of town, has had twoo air flow meters replace dprior to me replacing with delco part. car was fine for six months now check engine light is on and car stumbles/surges once every time you get in it to go somewhere. this is t... Trouble codes: P0101
1989 Other GM P-30 454CID Unknown VIN: 1GBJP37W5K
Only on hard acceleration and once the RPM get up pretty high I hear a fairly loud noise in the front of the engine area. It sounds like a smog pump coming apart. We removed the belt to the upper smog pump and held a long screw driver on the lower smog pump du...
1997 Pontiac Grand Prix SE 3.8L Horn VIN: 1G2WJ52K6V
I really want to get this car fixed for this gentleman. He's one of those "perfect customers" that knows what he wants, knows how to explain what's wrong with his car and thoroughly understands the bill. The problem we're having is recreating the "horn blowing...

Fixes & Summaries for GM
Fix/Summary Answers
1994 Buick LeSabre Custom 3.8L Surge, Stall VIN: 1G4HR5219R
The car had a Carquest MAF still had the same problem. After rechecking everything installed an AC Delco MAF fixed the problem and car ran perfect, install fresh plugs just because they had 35k on them, the little old lady that owned the care said it ran like ... Trouble codes: P0101 (mass airflow failure).
1996 Cadillac DeVille 4.6L Starting VIN: 1G6KD52Y1T
Special thanks to Tim [...]'s comments were appreciated as well but we had already tried ...
1993 Chevrolet K2500 Suburban Silverado 5.7L Speed Sensor VIN: 1GNGK26K0P
Well, the most thanx to the people that tke time to help others. This nightmare is fixed, the repair was the output speed sensor on the left side of the transmission at the rear. Upon removal it had a crack in it simular to a 3.1 crank sensor that has failed. ...
1995 Chevrolet Lumina 3.1L Steering VIN: 2G1WL52M0S
Thanks for all the replies. The front strut bearings were both bad. The steering is much improved.
1995 Chevrolet Blazer 4.3L Poor Idle Quality, Hesitation, Poor Fuel Economy
thanks for all the suggestions! a couple of you were right on! we finally pulled the upper plenum to inspect the fuel pressure regulator, and found the plastic lines to the regulator were leaking just enough to cause the problem but not enough to give off the ...
1997 Chevrolet Cavalier Z24 2.4L Misfire, MIL Lamp on VIN: 1G1JF12T5V
well everone i took your advise and instlled a delco is running allright again .i guess we will see what happens in a month or so .thanks to everyone who replied. Trouble codes: P0300.
1998 Chevrolet Corvette 5.7L door control module VIN: 1G1YY22G6W
I removed the pass. side kick panel and found were the wires go thru the body. I disconnected the wires and looked for corrosion but found none. When I reconnected them the light went off and has stayed off. so I am calling it fixed
2000 Chevrolet Tracker 2.0L Speedometer VIN: 2CNBJ13C8Y
I was mislead by an intermittent ground at the VSS connector. I was able to find a pinched ground wire in the harness above the transmission. I noticet that the front motor mounts had been replaced leading me to believe the accident this vehicle was in was mor...
1993 Oldsmobile Achieva S 3.3L No Start VIN: 1G3NL14AXP
thanks to all that replied it looks like you can make this engine work by changing the timming cover sensor and balancer the customer has not got back with me to approve the work but i did talk to other techs that have done this thanks
1996 Oldsmobile Bravada 4.3L Excessive Emissions, Poor Idle Quality, Surge, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 16HDT13W9T
I'd like to thank everybody who sent me advise. I have not been able to have the car back for further testing. The customer states that the car idles rough and is down on mileage, but aside from that it is OK. I received information on a TSB that would have yo... Trouble codes: P0300 (random misfires).
1999 Pontiac Grand Am SE 2.4L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1G2NE52T4X
I replaced all 4 injectors.. And Problem was solved...Sorry I waited so long to repost but this car has been such a problem. I wanted to make sure it was fixed.. Trouble codes: P0171.
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