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Professional Automotive Repair Technical Discussions for April 2, 2004 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1987 Buick LeSabre Limited 3.8L No Start VIN: 1G4HR1434H I have a crazy problem with this car.No codes, or anything reading unusual on my OTC Monitor.Engine will run for 4-6 minutes then die without restarting.No injector signal or spark till it cools (10-20 minutes). The other problem is that if you seat the IAC an... |
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| 1988 Buick Skylark Custom 2.5L No Start, Surge, Stall VIN: 1G4NJ14UIJ This one was towed in to me with a no start no spark condition, I installed a used ignition module and it fired right up and ran fine, test drove good. The lady called me and said that it would stall out I went out to where she was and it started right up and ... |
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| 1992 Buick LeSabre Custom 3.8L abs module VIN: 1G4HP5316N this car has codes 31-rr wheel sensor open.32-rr erratic 61-pump test fault.72 travel sw.i have repaired corroded wires to wheel sensor and ck ok now.i cannot get codes to clear with scan tool or disconnecting battery.i just openned my shop and donot have alld... |
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| 1988 Chevrolet Cavalier 2.0L back fires at cold s VIN: 1G1JC5114J car came with a complaint of back firing at start on cold days. if warm out car will start fine. car drives good never stalls or dies.fuel preesure good,no vac leaks,coils tested good,no broken wires that we found,cyl comp good,no coolant leaks Trouble codes: 42 (est/by pass fail), 15 (coolant temp low) |
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| 1994 Chevrolet Cavalier RS 2.2L Valves VIN: 1G1JC1445R I have no compression on all cylinders.Had problems with lifters being pumped up on the 3.1's. Did my trick that i do on yhe 3.1's ,but with no response. I feel that something is wrong with the valve train because the valves are staying open to long. The cylin... |
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| 1994 Chevrolet K1500 Suburban Silverado 5.7L cooling VIN: 1GNFK16K1R ok fellow techs, this vehicle has been a long standing client of our shop. vehicle is overheating. water pump and coolant temp sensor was replaced several months ago due to leaking seals. next time in radiator was leaking and replaced. next leak was intake gas... |
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| 1996 Chevrolet S10 2.2L Poor Idle Quality, Hesitation VIN: 1GCCS1440T This truck idles very roughly and will not accelerate unless the map sensor is unplugged. Then it accelerates well but the idle is still poor. There is a constant ratcheting noise from the timing cover, but it doesn't sound like a chain loose and doesn't go aw... |
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| 1998 Chevrolet K1500 Cheyenne 5.7L ABS brakes VIN: 2GCEK19ROW truck has low pedel since new shield on right brake rubed thru sensor wire rf lf rear wheel sensors all read same mph 10 20 30 40 50 60 70 no codes on snap on 2500 scaner at 6 mph front abs applies till 3 mph then goes off all sensor read 3 mph when you start ... |
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| 2000 Chevrolet Silverado 1500 4.8L fuelgage/tach/trans VIN: 2GCEC19V0Y dear techs this truck intermetantly looses tach/odometer display/fuel gage/temp gage/battery light, i got this to fail in my shop 1 time for few seconds never failed again. the owner says this happens more often with him and also this thing sets trans codes. i... |
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| 2000 Chevrolet C-7500 7.4L brake pedal VIN: 1GBL7H1C7Y brake pedal loss at times- good -no pedal. |
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| 1998 GMC Sonoma SLE 2.2L Unknown VIN: 1GTCS194XW I have put this truck in the air and checked everything .Looked for exhaust rubbing,pryied on mounts,pulled on engine and don't feel any binding,watched pullies all running true. Checked flywheel bolts all tight and no play. If you sit in it and rev the engine... |
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| 1997 Saturn SL2 1.9L engine VIN: 1G8ZJ527XV Car came in with a noise in front. All that we read & talking to dealers, we believed it needed a timing chain. We replaced everything related to the chain with a kit from a dealer. Noise was still there. Sounded like a collapsed lifter. We replaced the #1 exh... |
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| 2001 Saturn SC1 1.9L Poor Idle Quality VIN: 1G8J527X1Z This vehicle has a high idle periodically. The ECT has been replaced. Has anyone seen this problem before? It won't do it all the time. Thanks in advance. |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1992 Buick Roadmaster 5.7L Vibration Thanks to all that replied.Customer returned and stated that he had taken the car to a tire dealer and had it inspected there. He was told there was nothing wrong with the tires.He told me that he didn't have to drive the car with the rear windows down,it was ... |
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| 1991 Chevrolet R2500 Suburban Silverado 7.4L 2-3 shift VIN: 1GNGR26N6M hi group sorry about the long delay customer taking his time to decide what to do, anyway started checking solenoids again and when checking b solenoid found that sometimes would have goood ohm reading and other times would go open circuit, pulled pan and foun... |
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| 1997 Chevrolet Express 2500 5.7L overdrive VIN: 1GCGG25R0V I took this truck and replace both shift sols., reversed input and output speed sensors, replaced the wiring harness inside the trans. pan, checked the outside harness for corrosion and signs of fluid weeping up the harness as all of these were replies that I ... |
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| 1998 Chevrolet Malibu 3.1L ABS light VIN: 1G1ND52M8W I want to say thanx to The Magnificient Seven, John from MN, Mark & Richard from OH, Thomas from the great state of IL, Mike from ME, Joe from IN, and last but not least Dennis from Newfoundland,Canada. Everyone of you suspected corroded terminals located on t... |
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| 1998 Chevrolet Malibu 3.1L hard start VIN: 1G1ND52M7W Thanks for all the information. We replaced the fuel pressure regulator even though i never did see it leaking and also had the computer re-programmed for cold start problems. Customer has been gone for a week then we called him and he said it was good.Excelle... |
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| 1999 Chevrolet Malibu 3.1L Misfire, MIL Lamp on VIN: 1G1NES52M4 I want to thank everyone that responded. A special thanks to Dale [...] for the info. about the cam lobes.. We brought the vehicle back in & tore it back down to find the # 6 cam lobe was moved over 10 degrees. We replaced the camshaft & problem was then re... Trouble codes: 0300 (Random cylinder misfire). |
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| 1999 Chevrolet C1500 LS 5.7L Surge, MIL Lamp on VIN: 1GECEC19RX Thank you for your replying with all your help and tips. The 99 Chevy P/U 5.7 with the lean condition ended up being a problem with the MAF...I should have caught this earlier...just got caught up in the fact that we replace so many GM fuel pumps and regulat... Trouble codes: P0171, P0174, P0300. |
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| 2000 Chevrolet Astro 4.3L service all wheel drive VIN: 1GNEL19WAY thanks to all that gave their two cents i found that i had to go to engine codes then to codes &data then to codes and scroll all the way down and select atc code came up c310 and i disconnected the reconnected the wires for the transfer motor and cleared code... |
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| 2000 Chevrolet K2500 5.7L front rotors VIN: 1GCGK29R6Y Thanks for your time, We turned front rotors on the vehicle used GM front pads and on rear replaced shoes and hardware because of mileage as of now we have good brakes with no pulsation. We will see if the pulsation returns in the near future. Thank you again ... |
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| 2000 Chevrolet Express 1500 LS 5.7L kick back hard start VIN: 1GNFG15R8Y Thanks to everyone who replied! Your Ideas were all helpful. And one was right on the money. I removed the Distributor as suggested and checked the drive gear and it was fine. After reinstalling the Distributor I replace the Cap and Rotor as Suggested and that... |
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| 1992 Oldsmobile Bravada 4.3L Hesitation, Surge, Cuts out, Stall, Misfire VIN: 1GHDT1GHDT Put another new fuel pump in vehicle and it fixed it. |
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| 1990 Pontiac Sunbird LE 2.0L Rocker Arm VIN: 1G2JB34K9L Thank You To All Who Replied -- It Really Helps To Get Additional Input After Banging Your Head On A Wall All Day!! Although Our Customer Did Not Want To Go Through The Expense Of Repairing This Vehicle I Am Confident That What Most of You Suggested (Either A ... |
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