Join Now
International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for September 7, 2007
International Automotive Technicians' Network (iATN) - Members Only
Next
(Also Available: All, Asian, Chrysler, European, Ford, GM.)
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Open Help Requests for GM
Help Request Answers
1992 Buick Roadmaster Limited 5.7L Hesitation, Surge VIN: 1G4BT5372N
Customer complaint of surge at idle and when driving slow from cold start. ALso found no power all the time. Fuel pressure 13 psi at idle, 16 psi with return line dead headed. No change with power when dead headed. Tested fuel volume and less than 1 pint in 30...
View
1999 Buick Regal GS 3.8L No Start, Stall VIN: 2G4WF5210X
this one is giving me fits, after running for about 5 minutes car will go into convoltions and stall, will not restart for about two hours. if you hold the key over to start it will crank and try to start for a split second then go back to crank when start fai...
View
1998 Cadillac Seville STS 4.6L Theft System VIN: 1G6KY5492W
Still have this cadi beatin me up. Sets a code B3055=(The PASS-Key III Theft Deterrent (VTD) Module performs an internal test to determine if a key is present every 300 milliseconds . If the test determines that a key is not present the VTD module will indicat...
View
1994 Chevrolet S10 Blazer Tahoe 4.3L Mechanical VIN: 1GNDT13WXR
This vehicle came in with a no start. We check and find the flywheel has three broken teeth. We want to know have anyone ran into this before or know what cause this to happen. We replace the flywheel and starter in October 06.The customer put about 200 miles ...
View
1996 Chevrolet Lumina 3.1L brake/directional lights VIN: 2G1WL52M4T
Customer had 5 yrs/no problems. Brake and Rear directionals work fine Independently. 3rd Brake light Always works! If brake pedal depressed and Left directional have 3rd light only, and with right directional have 3rd light and no Right brake light but Left wo...
View
1997 Chevrolet P30 7.4L Mechanical VIN: 1GBLP37J33
This vehicle came in with all 4 brakes burned up "4 wheel disc". The front brakes had gotten hot enough to melt the ABS wheel sensors. We did a complete brake job with rotors, calipers, pads, ABS sensors and hoses. Then completly flushed the hydraulic system ...
View
1998 Chevrolet C1500 Cheyenne 5.7L Stall, MIL Lamp on VIN: 2GCEC19RXW
the truck will not start unless you spray the throtle with starting fluid. it will stay running but when you shut it off it will not restart unless you spray the throtle. Trouble codes: P1345 (ckp/cmp correlation)
View
1999 Chevrolet Malibu 3.1L MIL Lamp on VIN: 1G1ND52J2X
looking for help with this car code p0410, keeps reseting changed pump and solenoid control valve, has anyone had any experance with this problem? Trouble codes: P0410 (air system)
View
2005 Chevrolet Malibu Maxx LS 3.5L no start/ no crank VIN: 1G1ZT62895
car came in no crank. FOUND THE STARTER RELAY TO BE BAD BUT THE THEIFT HAD SHUT OFF THE FUEL. REPLACED THE RELAY AND REPROGAMED THE THEIFT. THE CAR STARTED AND RAN. THE NEXT DAY THE CAR WAS TOWED BACK DOING THE SAME, BUT TIS THIS TIME THE RELAYS ARE STILL GOOD...
View
2000 GMC Sierra 2500 SL 5.3L prnd321 VIN: 1GTFC24T9Y
hello there we have a strange one here and wonder if anyone else has seen it before. the vehicle came in with a totally inoperable florencent display for the gear position indicator- we diagnosed this to a bad switch and corroded connectors(2)at the trans. rep...
View
1998 Pontiac Grand Am SE 2.4L Cuts out, Misfire VIN: 1G2NE12TXW
The vehicle ran with no problems for three weeks after the work at the previous shop. Initially died, restarted and ran fine for about 3 more days. The car the died, restarted but ran poorly and was limped home and towed to our shop. Only code is a PO300 multi... Trouble codes: P0300
View
2002 Pontiac Grand Prix GT 3.8L Anti theft VIN: 1G2WP52K32
I need some help on this passkey 3 system. This car has the passkey module on the steering column near the lock cylinder. From what I've been able to find this system has a transponder in the key. Is this correct? If it's in there it must be really small! I ha...
View
1995 Saturn SC2 1.9L PCM, ECT, Cooling fan VIN: 1G8ZG12715
Vehicle came in a few days ago. The owner informed me that it had been intermittently overheating for about three months previous, and seemed to him to happen randomly. He mentioned that on a long trip, it was fine, so I suspected the cooling fan was inoperati...
View

Fixes & Summaries for GM
Fix/Summary Answers
1969 Buick electra 225 430CID torque specs VIN: 4B4399H122
thank you all for taking the time for your replies.. the first came only 15 minutes after posting question... i have learned a lot about this repair.. the difference in torque specs are due to motors vs chiltons.. motors seems more accurate according to jeff i...
26
1984 Buick Century Custom 3.0L alternator VIN: 1G4AH19E9E
after more testing and probing, i decided to take bob from minnesota advice. i took the alt back to our local rebuilder and they made it a single wire self exciting alt. it works perfectly. thanks to all that offered help, there were many replies, all were app...
34
2000 Buick LeSabre Custom 3.8L electric windows, locks,mirrors VIN: 1G4HP54K6Y
Many thanks for the great replies I received! The car is fixed. A special thank you to William from Ontario for suggesting that the wiring diagram shows that ALL switch inputs from drivers door, including the power locks and trunk release which are located com...
5
1993 Chevrolet Camaro Indianapolis 500 Pace Car 5.7L No Start VIN: 2G1FP22P8P
This car is finally fixed, Thanks for all the responses. I followed the flow chart for the code 43. It came down to replacing PROM. Come to find out, the people who rebuilt the PCM installed a random PROM from who knows where. Now the theft enable says 'yes' a... Trouble codes: 43 (esc module or sensor circuit problem), 1NF0.
6
1996 Chevrolet Camaro Z28 5.7L cooling fans VIN: 2G1FP22P5T
Thanks for your input. One thing we didn't check was the heads for leakage. It failed the radiator combustion leak check. After removing heads we found the engine had most likely been run hot for a while, leaking by the head gasket. Thanks again.
9
1997 Chevrolet K1500 5.7L Surge VIN: 1GBEK19RXV
Hi guys! For those of you who suggested that it was the distributor gear you were dead on! I pulled it and the teeth were so thin they were like sharp blades. I replaced it with a new distributor from Car Quest and I couldn't ask for a smoother running ... Trouble codes: P345.
14
1999 Chevrolet Venture 3.4L Hesitation, Cuts out, Stall VIN: 1GNDX03E0X
I changed the crank sensor and for a week now so far so good. Thanks for all the help
13
2000 Chevrolet S10 4.3L Excessive Emissions, MIL Lamp on VIN: 1GCDT14W9Y
THANKS TO ALL THAT REPLYED. I GUESS I SHOULD HAVE JUST TRUSTED THE PINPOINT TEST, REPLACED EVAP PURGE VALVE RESET FUEL TRIMS AND CODES TEST DROVE NO CODES CAME BACK. I STILL AM NOT SURE WHY IT WOULD CAUSE FUEL TRIM TO GO -17 CHECKED CHARCOAL CANISTER OK NO FU... Trouble codes: P0172 (fuel system bank 1 too rich), P0175 (fuel system bank 2 too rich).
14
2006 Chevrolet Trailblazer LT 4.2L driver window VIN: 1GNDT13S76
reprogamed bdm to driver door switch/modual at dealer and everything is working fine. could only get car bdm to switch/modual re-programed at dealer.- my snapon modus is incapubal of down-sterming the values form GM. when old switch went bad it disengaged it s...
16
1993 GMC K1500 Sierra 5.7L 1-2 shift VIN: 2GDEK19KXP
thanks for all the responses,david,phyllis,and edward were correct. it ended up being the ecm. i checked amperage at the epc wire at ecm,and the amps were low indicating high pressure.replaced ecm and shifts are great.thanks again
11
2004 GMC Envoy SLE 4.2L MIL Lamp on VIN: 1GKES12S94
OK.HERE IS WHAT I DID TO THIS CAR. REMOVED CYLINDER HEAD AND SENT IT TO MACHINE SHOP FOR ANY CRACKS,NO CRACKS FOUND.THE ONLY PROBLEM THEY FOUND WAS VALVE SEAT ON NUMBER 5.LOOKED LIKE VALVE WASN'T SEATING GOOD.6 OF THE CYLINDER HEAD BOLT GOT BROKEN WHEN WE WERE... Trouble codes: P0305 (cylinder 5 misfire detected), P1680 (driver 5).
8
1992 Oldsmobile Cutlass Supreme S 3.4L Cuts out, Stall VIN: 1G3WH54X2N
Thank you all for taking the time to offer help on this one. The prize goes to Robert from Indiana, and Garret from North Carolina, for their reminders & suggestions concerning fuel injectors. There is indeed a TSB concerning "phantom stall" issues w/ this RPO...
6
1999 Oldsmobile Alero GL 2.4L No Start VIN: 1G3NL52T0X
Thanks to everyone for your help on this one. It turned out to be a bad MAP sensor. I swapped it with one I had on a running 2.4 Cavalier and it fired right up. I also found that the hose was cracked and split, which couldn't have helped. Thanks again for savi...
5
1986 Pontiac Fiero SE 2.8L Poor Idle Quality, Stall VIN: 1G2PF3791G
Hello all. This vehicle was repaired last Friday, ran like a top and the customer traded it off for a new Saturn Skye. The repair actually was fairly simple, considering all the other things that were wrong with the vehicle. I had been in touch with Identifix ...
9
2001 Pontiac Grand Am SE 2.4L engine VIN: 1G2NF12T31
Yea this car has finally left my bay. I appreciate all the replies. Our problem turned out to be somehting out of the ordinary. The guy at the head shop turned out to be right. There are mutiple heads out there for these 2.4s. We got our orginal numbers and th...
16
Prev (Also Available: All, Asian, Chrysler, European, Ford, GM.) Next