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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for June 7, 2006
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Open Help Requests for GM
Help Request Answers
1997 Buick Park Avenue 3.8L Poor Idle Quality, Stall VIN: 1G4CW52K8V
this car came in with idle problem. it will start and when you accelerate it has no power and bogs down. rpms don't raise until you feather accelerator. when car is sitting at idle it will run great then out of nowhere it will start to search for idle and eith...
1996 Cadillac Seville STS 4.6L dash,radio,interior lights,no locks, VIN: 1G6KY5298T
car will start and then shut down after three seconds. I noticed that on dash it reads "Theft system problem car may not start. I also notice the prndl bulbs are flashing. I checked all the fuses and also disconnected the battery and reset everything.I notice ...
1998 Cadillac DeVille d'Elegance 4.6L low side refrigerant temp VIN: 1G6KE54Y7W
After replacing comp. and recharge found sensor blown for the first time. Replaced sensor and recharge sensor blew within 5 min. of run time. If anyone heard or seen of this any info would be appreciated.
1995 Chevrolet Astro CL 4.3L Hesitation, Surge, Cuts out, Stall VIN: 1GNDM19WXS
this van came in surging ,hesitating,stalling. at first it had an egr problem it would read 99% so we changed the egr but still it would stumble and read 99% so we changed the ecm and prom which solved the egr problem.this van still hesitates,stumbles and stal...
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...
1995 Chevrolet Camaro Z28 5.7L compressor VIN: 2G1FP22P2S
fault code 61--scan shows ac pressure to only 17/lb always. system does work briefly when i disconnect neg. battery. guage readings perfect when ac is running--cools great. tested wiring to pressure switch--b+ wire tests good--5v ref good--ground good--scan da...
1997 Chevrolet Blazer 4.3L Leaking Refrigerant VIN: 1GNDT13WXV
Hello fellow techs. Let me preface this post that I have been certified to work on mobile air conditioning since before Jimmy Carter was President. This Blazer has me completely stumped. The system will blow out very cold air when the system is properly charge...
1997 Chevrolet Express 2500 5.0L oil pressure VIN: 1GCFG25M1V
Hello I got this van towed in last night with the oil filter gasket blown off. About six months ago it was here for the same thing. At that time I replaced the oil pump and the strainer.The oil pressure gauge reads about 80psi and sometimes pegs the gauge befo...
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...
1999 Chevrolet Silverado 1500 5.3L Hesitation VIN: 1GCEK14T0X
Vehicle was brought in with a running problem. We have replaced plugs & fuel filter. Fuel Pressure was low, replaced fuel pump. Fuel Pressure regulator is ok. Changed Mass Air Flow Sensor. Checked Converters-ok, Replaced TPS-No change, Install PCM & reflashed-... Trouble codes: P0137 (p0157-), P0157
1999 Chevrolet Blazer 4.3L Hesitation VIN: 1GNDT13W0X
Truck has bad lean hesitation on tip in cold only Add fuel and runs good Cust replaced many parts, no codes MAF has good response and is clean O2 not working yet could not see a lean problem Warm truck is sluggish but computer makes up for alot of the problem ...
1999 Chevrolet Blazer 4.3L No Start, Cuts out VIN: 1GNCS13WXX
hello everyone i need help we just replace lower intake gasket we took disrtribuitor out and we marked but when we put it back we don't put it in the right mark now the truck won't start,we put the crank pulley in the mark we took #1 spark plug out we try any ...
2000 Chevrolet Lumina 3.1L long shift VIN: 2G1WL52J7Y
Hello Fellow Tecs !! I work on a fleet of 2000/2001 Luminas. I picked this 1 in perticular because it failed MA I/M for this,but I have 5 that have this code and all seem to run and drive fine. I have scanned them with my OTC Genisis and Snap On MT 2500, but t...
2002 Chevrolet Trailblazer LS 4.2L abs VIN: 1GNDS13S02
this truck keeps setting co265 ebcm relay cir. I cleaned the ground and added another but the code keeps setting. Has anyone replaced the module for this problem? Did the bad ground take out the module? Thanks for any help
1991 Oldsmobile Cutlass Ciera 3.3L Poor Idle Quality, Cuts out VIN: 1G3AL54N3N
this one is driving us crazy. came in for routine oil change and has a misfire when warmed up. after test drive the misfire is only at idle. checked fuel pressure, ok. pulled plugs, the worst ones i have ever seen, replace plugs, wires, fuel filter and added b...
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...
1999 Oldsmobile Alero GL 3.4L spring? VIN: 1G3NL52E5X
car exdhibits a pop/ clunk/ sproing when turning as changing direction (reverse to forward ) or visa versa. sounds like spring bind and pop. do not seee anything jump, nor any feel in steering wheel. will not happen in shop. only forward to reverse fuigure eig...
1994 Pontiac Sunbird LE 2.0L Surge, Cuts out, MIL Lamp on VIN: 1G2JB14H6R
Problem is after vehicle sits for an extended time(4-8 hours)and then is driven at highway speeds for approximately an hour, vehicle starts to miss and bucks mildly.Almost like a bad plug or wire miss. Check engine light comes on and stores above codes. Trouble codes: 13 (o2 sensor), 32 (egr error)
1997 Saturn SL2 1.9L Mechanical VIN: 1G8ZK5273V
Some advise would be appreciated. This Saturn has a pressure problem with the a/c. At idle the low pressure is 25 PSI. Normal according to Saturn manual. High pressure is only 120 psi. We pinched off the high side hose 6 inches away and downstream of the high ...
2001 Saturn L200 2.2L compressor VIN: 1G8JU52FX1
hi everyone, my shop has a car that the air conditionin is not working. And i rechecked the A/C compressor was working but there are no cool air coming out. Also the A/C fan wasnt working either. It was near a radiator and it seems taht the system had no circu...

Fixes & Summaries for GM
Fix/Summary Answers
2002 Buick LeSabre Limited 3.8L Starting VIN: 1G4HR54K72
I had to let this one go to the dealer, I want to thank everyone for the advice. I really think he jumped the car and blew something cause the jumper cables are layin in the back seat. I just dont know enough about PK3 theft deterent and dont wanna shotgun par...
1996 Cadillac DeVille 4.6L Misfire, MIL Lamp on VIN: 1B6KU1EY9T
Well I give up. This problem is electrical no doubt and it deals with this number 2 o2. If i just plug in a different sensor and not put it in the pipe it works, meaning it doesn't miss. The scan data is 449mv koeo on b2s1, then when you touch it to the engine... Trouble codes: P0154, P0300.
1992 Chevrolet Lumina 3.1L engine VIN: 2G1WL54T1N
Thanks for the help,just now replaced the intake gasket and it's running 100%A tip to spray carb. cleaner into the oil fill cap proved a leak in the intake.
1998 Chevrolet Blazer 4.3L Hesitation, Cuts out VIN: 1GNDT13W9W
well customer declined all repairs for now, she said she has had a fuel pump and plugs wires fuel filter and injector clean done recently at anothe shop so she was going to check her warranty.
1998 Chevrolet Blazer 4.3L 4x4 VIN: 1GNDT13W7W
Most of the replies dealt with probable vacuum switch problems. This is what I had discussed with customer before posting and after you guys backed me up he let me put it in.No further problems with growling noise anymore.Only one response after update,I guess...
1998 Chevrolet Corvette 5.7L Charging VIN: 1G1YY32G8W
car had two problem, the wrong amp alterantor a 110 amp need to be a 145 amp alterantor and the starter solenoid was bad. thanks for all the replies.
1998 Chevrolet Cavalier 2.2L leaking refrigerant VIN: 1G1JC5241W
I wanted to thank everybody for helping me solve the problem. It is the A/C compressor which was leaking on the front seal.
1999 Chevrolet Lumina 3.1L Surge, Cuts out VIN: 2G1WL52M5X
thanks for all the help. most suggest swapping the coils another suggested unplugging maf sensor. this i have previously done. we haven't got the car back yet. so i can't add anything else yet. thanks again
2000 Chevrolet Lumina 3.1L information
The replies we received, unfortunately, confirmed what we suspected. There is nothing readily available to find out OE part number supercessions and applications. If I receive any further information, I will let you know. Thanks to all who replied.
2002 Chevrolet Blazer LS 4.3L MIL Lamp on VIN: 1GNCT18W42
thanks guys for your replies you confermed what i already thought replaced pcm all readings were normal Trouble codes: P0101, P0155, P0300.
2003 Chevrolet Malibu LS 3.1L No Start VIN: 1G1NE52J13
Well, after putting the ignition switch and lock cylinder in, we DID have injector pulse. The reason it wouldn't start is that the fuel pump went out also! Multiple problems will bite you in the ass everytime! KISS and always check the basics! Thanks to everyo... Trouble codes: U1000.
1994 GMC C7000 Topkick C7H042 6.0L speedo VIN: 1GDJ7H1P6R
broken wire in main harness fixed wire and all works thanks everyone
1996 GMC Jimmy 4.3L High Pressure VIN: 1GKDT13W6T
Once again, THANK YOU to all of those who replied so quickly. It turned out that I had two problems. The first being a failed fan clutch which I completely overlooked. The second is that our A/C machine had been contaminated. After draining all oil, replacing ...
1988 Oldsmobile Cutlass Supreme SL 2.8L No Start VIN: 1G3WS14W8J
Thanks to all that replied. As it turned out, it was the wrong crank from Auto Zone. Actually it was the wrong reluctor ring on the crank. The pickup windows were not the same as the old crank. (Good thing I didn't give it as core right away.) And now they don...
1997 Pontiac Grand Am SE 2.4L abs VIN: 1G2NE52T0V
thanks gerry in michigan!rf sensor ring cracked.another case of should have checked the basics first.due to scan tool displaying proper wheel speed I figured sensors and rings ok.I replaced axle and rechecked all ok at this time.agian iatn rocks!!!
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