 Prev |
Professional Automotive Repair Technical Discussions for March 29, 2004 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 | |
| 1987 Chevrolet S10 2.5L Stall, MIL Lamp on VIN: 1GTDEX1EYH Truck has extended cranking when cold to start. Idles rough and stalls. Code 25 is present and when viewing scanner data the temp pid is 151c with IAT connector disconnected and -40c when shorted. This is completeley reversed to how the computer should respon... Trouble codes: 25 (IAT sensor high / Sorted circuit) |
View | |
| 1989 Chevrolet K1500 Cheyenne 5.7L abs VIN: 1GCEK19W1W we have a problem with the abs intermitently activating at low speeds,under 8 mph,no codes,no abs and/or brk lites on,tested wss/vss and found no glitch,s with lab scope.voltages/grnds ok.scan data does show activation but all peramiters,ie dump/iso valves do ... |
View | |
| 1990 Chevrolet Cavalier 2.2L fuse VIN: 1G1JC54G6L This car just started blowing the ac/heater fuse.I unpluged fan motor, fan relay,fan switch,control switch & when you turn on ignition the fuse still blows with everything disconnected.The compressor in this car does not run with the control switch in the off ... |
View | |
| 1993 Chevrolet Camaro Indianapolis 500 Pace Car 5.7L Cuts out VIN: 2G1FP22P2P car tow-in start and stall, i have a code 42 after running all test related to code 42 i have replace the ignition module and the ecm and still have the same problem. i started to test the basic i have good spark till the car stall fuel pressure is good the in... Trouble codes: 42 (spark control) |
View | |
| 1997 Chevrolet S10 LS 2.2L Excessive Emissions, Poor Idle Quality VIN: 1GCCS1942V we pulled valve cover and found bent push rod on #2 cyl. so we pulled the head to check it. sent to machine shop to check valves and they were fine. we installed new lifters &push rods, we also found gas on top of cylinder. we installed head started it and it ... Trouble codes: P0300 |
View | |
| 1998 Chevrolet S10 4.3L No Start Hello all, Today i am working on this S-10, the problem occurs after the truck has been running for 5 to 10 minutes,turn the engine off and when you go to restart it the fuel pump will not run. The owner has replaced the fuel pump and the relay but the proble... |
View | |
| 1996 GMC K3500 Sierra SL 6.5L engine VIN: 1GTHK33F2T After a cyl.head was replaced at another shop the vehicle was brought to us to check an oil leak there seems to be too much blow by coming out of the breather so it forces oil into the air intake and into the plenim so that oil seaps out the bolts that fasten ... |
View | |
| 1999 GMC Sonoma SL 2.2L Timing chain tensioner VIN: 1GTCS1441X Hello all, This truck showed up at my shop with a request from the customer to replace the timing chain, gears, and tensioner. They indicated that this would be the fourth time this had been done since new. The last time was about nine months and 25,000 miles... |
View | |
| 1993 Oldsmobile Cutlass Supreme S 3.4L master cylinder VIN: 1G3WT34X5P Frist i whant to thanks to every one for you time and help. Customer brought the car he said this car never stop good since new. ok some other mecanics replace abs modulator(this is the unit atached to master cyl), also they replace master cylinder. front and ... |
View |
Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1993 Buick LeSabre Custom 3.8L starter VIN: 1G4HP53L3P thanks for all those that answer my request. it was a broken wire in the steering column. thanks again |
14 | |
| 1966 Cadillac Sedan De vil 429CID engine VIN: 68357FWD21 Thank you everyone for your replies. Most were about a vacuum leak. They were correct. There was a small split in a vac line where it attached to the second vac reservoir. It was stupid of me to over look such a simple thing. It does help me to remember that w... |
37 | |
| 2000 Cadillac DeVille DTS 4.6L pistons VIN: 1G6KF5499Y Sorry for the late post. Had local dealer in Portland, Oregon to the piston update replacement. The work went very well. I actually have increased gas mileage by 1-2 miles per gallon. Noises gone, motor runs fantastic. Vic Alfonso Cadillac dealership did a gre... |
5 | |
| 1993 Chevrolet K1500 Suburban Silverado 5.7L suspension VIN: 1GNFK16K5P Thanks for all the replies. The customer had to take the truck home but when i get it back i am going to replace the shocks. |
17 | |
| 1995 Chevrolet C1500 4.3L shifter VIN: 1GCEC14ZXS The transmission was worn out.. It still worked, but didn't feel right and was noisy.. A new Goodwrench transmission made it feel like a new one.. I updated the pilot bearing to the needle bearing style.. Also replaced the to/bearing fork.. Customer was very h... |
4 | |
| 1997 Chevrolet Camaro Z28 5.7L vacuum leak noise VIN: 2G1FP22P2V Hello all, This request was opened by one of my tech's and it's about his personal car. Unfortunately he did not follow thru with the information he received because we've been too busy. He will get back to it...eventually and I will post anything else that ... |
3 | |
| 1997 Chevrolet Tahoe LS 5.7L dies VIN: 1GNEK13R6V thanks to everyone who took time to reply to my problem.it finally came down to the connection on the fuel pump,the plug had a small burned section which when plugged and unplugged it would work for a few times then would not get good connection,i replaced the... |
21 | |
| 1997 Chevrolet C2500 5.7L backfires on accel VIN: 1GCGK24RXV To all who helped with replies on this vehicle.Thank you. What was the problem with this truck was a previous shop installed a fuel pump which was either a faulty pump or the wrong pump. The fuel pump wasn't putting out enough pressure as it should have which ... |
8 | |
| 2001 Chevrolet Silverado 1500 5.3L abs VIN: 2GCEK19T21 Thanks to all that replied you were right on the money pulled the sensors cleaned mounting surfice and that took care of it. |
13 | |
| 1995 Geo Tracker LSi 1.6L Poor Idle Quality, Misfire VIN: 2CNBJ1865S Replaced the ECM and Dist. and it works great, tried the ECM alone and still did not work utill I replaced the Dist and the ECM together. But the customer picked up the vehicle today, and is happy. |
6 | |
| 1995 GMC Jimmy SL 4.3L Excessive Emissions, Poor Idle Quality, Hesitation, MIL Lamp on VIN: 1GKDT13W8S Hello Everyone: Thanks for all the replies. About 99% of you were on the issue. The pressure regulator was leaky. This was the root cause of the fuel pressure issue. Replaced the 'nut' fuel injector system, as some call it. Now, since this vehicle ran rich the... Trouble codes: P0141 (heater circuit malfunction bank1 sensor2), P0300 (random missfire multiple cylinder). |
35 | |
| 1997 GMC Safari SLE 4.3L master cyl., calipers VIN: 1GKDM19W7V Thank you to everyone who replied. The consensus was the two fluids can not mix as there is a weep hole between the hydro boost and the master cylinder. We brought the vehicle in and verified this. The problem with this repair was the customer was stranded out... |
11 | |
| 1998 GMC Jimmy Envoy 4.3L Transfer Case VIN: 1GKDT13W7W Customer left with vehicle un-repaired. I was actually too busy to spend much time on this unit and customer advises that he will change out the encoder-motor and post a reply back to me. I will post reply when received! iTan works great! Thanks to all that re... |
10 | |
| 1993 Oldsmobile 88 Royale LS 3.8L Main bearings VIN: 1G3HY53L9P Thank you for your replies, we ended up installing a crank kit & this fixed our problem. Again thank you for all the help. Shane [...], Owner South Dayton Auto & Truck Service. |
7 | |
| 1989 Pontiac Bonneville SE 3.8L p1629 VIN: 1G6CD51HXK most of input i have recieved on this problem [iatn members and local techs] is that the problem is related to lock cylinder or wiring from passlock key pellet. customer has called 3 times about problem since posting. at this point it is not having any instanc... |
6 | |
| 1994 Pontiac Trans Sport 3.1L Poor Idle Quality, Hesitation, Stall VIN: 1GMDUO6D1R thanx for all the great ideas. o2 switching but showing no voltage turned out to be genysis scanner. red brick showed voltage and switching. so much for new equipment being right on.turned out to be low fuel press. 6psi enough to run but that was it. also repl... |
7 | |
| 1994 Pontiac Grand Am SE 2.3L Cooling system VIN: 12GNE553XR Hi Guys! Sorry its taken so long to get back with ya! This vehicle is fixed! I had found out that the owner had put TWO full bottles of 'Bars Leak' in the fill tank while the engine was cold! The owner realized their mistake and removed the fill tank and c... |
15 | |
| 1996 Pontiac Grand Am SE 2.4L cluster VIN: 1G2NE52T4T thanks everyone for the help the problem was a blown cruise control fuse this fuse panel was on the right dash panel |
4 | |
| 2001 Saturn SL 1.9L Poor Idle Quality VIN: 1G8ZF52811 I waited until the customer returned, then we fixed problem, then I waited a few days to verify the problem was indeed repaired. The fix, as predicted by Steve from Michigan, Ernest from Mass., Dave from Quebec, Robert from Ohio, and especially Brian from Mich... Trouble codes: 0442 (Evaporative system small leak detected). |
12 |
