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Professional Automotive Repair Technical Discussions for March 5, 2004 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1993 Buick Regal 3.1L Hesitation, Cuts out, Stall VIN: 2G4WB51T9P Hi group. I have a 93 Buick here that is driving me nuts. What is does, randomly, hot, cold, or at idle, it seems as if the motor is cutting out. Not a misfire, I can watch the tack when it cuts out, and it does cut out also. New crank sensor, new plugs and wi... |
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| 1989 Chevrolet Corsica 2.8L engine VIN: 1G1LT51W1K hi guys have one of those wierd ones.this car has a wierd knock only when the car is warmed up. it is not there when cold.so since it isnt there on cold start up i eliminated lifter noise. i used a stethoscope and put it around the timing chain area, and it so... |
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| 1991 Chevrolet Cavalier RS 2.2L Cuts out VIN: 1G1JC11G7L Code 255 unknown fault found using scanner. I cannot get a data stream on the scanner. Checked pcm power and grounds, checked continuity on serial data circuit, checked for shorts and grounds on serial data circuit. Found a fluctuating voltage on circuit from ... Trouble codes: 255 (Uknown fault) |
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| 1994 Chevrolet Camaro Z28 5.7L waterpump drive leak VIN: 2G1FP22P1R we have this camaro, it has an oil seepage leak at the waterpump drive seal. we have replaced this seal twice in the past year, the leak will usually show up a week later. I found some info in the archives about this problem, one item was runout on the drive r... |
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| 1998 Chevrolet K2500 Cheyenne 7.4L Misfire, MIL Lamp on VIN: 1GCGK24J0W help all you gm guru's. have a fun one here. this vehicle came in for a misfire one month ago, also long crank when cold. found the fuel pressure regulator to be leaking and tune-up needed. misfire was gone and all scan data looked ok. now its back with a veng... Trouble codes: P0301 |
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| 1999 Chevrolet Tracker 2.0L engine VIN: 2CNBJ13C5X Hope you GM techs can help on this one, Engine has a leak at the left front corner were the timing cover and head gasket meet. I dye checked it and cant tell if its just timing cover or head gasket! I see a little plug in the head just above this leak that mak... |
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| 2001 Chevrolet Malibu LS 3.1L high idle VIN: 1G1NE52JX1 This is my daughters car. She complained of a high idle sometimes. It will idle from 2000 to 3000 rpm. The idle is always steady at wherever rpm it idles at. Checked return from tps and it was 5.02 to 5.12 volts. Checked powers and grounds, all good. The idle ... |
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| 2002 GMC Sierra 1500 SL 5.3L temp gauge, Passlock VIN: 2GTEK19TX2 Hello group. This truck will not start the very first time you try to start it on a cool mornig. You can switch key off ,try again, and it will start everytime from then on. I have to wait 6 to 8 hrs before no start will return. If you don't turn the lock cyl ... |
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| 1990 Oldsmobile Cutlass Ciera SL 3.3L hard start 1time a.m VIN: 2G3AM54N9L Help needed again, this car originally came in as a stalled no start driving, found that the number 6 injector was internally shorted, renewed that one did a press. drop to find that 3 others were culprits also , renewed all 6. Now the customer is back with a ... |
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| 1995 Oldsmobile Aurora 4.0L control head VIN: 1G3GR62C6S Hello, we have this Aurora here that keeps the HVAC control head turned on with the key off. Also the volts light and the temp gauge will stay on but these two will time out in 30-45 seconds. We can access the HVAC system with our Mastertech but what you get d... |
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| 1998 Oldsmobile Intrigue 3.8L No Start VIN: 1G3WH52K3W checked car for codes a hard fault codes only on in memory code was p0172.. Trouble codes: P0172 (fuel trim rich) |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1995 Buick Roadmaster 5.7L cruise control VIN: 1G4BR82P9S Everything points to a servo problem. Since the customer has already put on two used and one new servo he is not going to do anything at this time. Thanks to those who took the time to respond. |
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| 1995 Chevrolet K2500 5.7L hydrauli unit/abs VIN: 1GCK24K9SZ thankyou everyone for your suggestions. overall summary of replies suggested mechanbical problems.I replaced the aftermarket shoes with gm o.e.m. shoes, the problem has not reoccurred after 3 weeks of driving.abs also operates normally. |
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| 1998 Chevrolet Astro 4.3L fuel gauge VIN: 1GCDM19W4W Thanks to all who replied, (7). One reply came in repeatedly. Ned & Doug asked if I had the correct part number- I did. Mark asked about proper pin/terminal/connector contact at the pump harness connector (possible tecnician induced problem)- all was good with... |
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| 1998 Chevrolet K1500 Suburban LS 5.7L MIL Lamp on VIN: 3GNFK16R2W Thanks for all the replies and helpful information. We called the dealer and found out that these converters are covered for 8 years or 80k miles. Customer had the converters replace under warranty and everything is back to normal. Also, I did'nt mention in th... Trouble codes: P0420. |
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| 2000 Chevrolet Tahoe 5.7L steering wheel sensor VIN: 1GNEK13RXY Thx to all who replied. 1st of all a few ppl thought I was working on the clock spring. This is NOT what I am working on. The posistion sensor is what I was replacing which is at the bottom of column. I just put new sensor on like you all said to do. The outer... |
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| 2001 Chevrolet Silverado 2500 6.0L Poor Idle Quality, Misfire VIN: 1GCHK29U61 First thanks to everyone that read and replied to this post, all of them were helpful in finding the root cause of the problem. The truck has two almost pluged injectors and three more that are trying to plug up. I found a TSB that covered this, the factory fi... Trouble codes: P0300. |
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| 1993 Pontiac Bonneville SE 3.8L No Start VIN: 1G2HX53L5P Thank you everyone, some were correct with the sending unit elec connector problem, but that was the 2nd problem. The 1st was a power problem @ the F.P. relay.(under pass side dash.) The Connectors were not making good contact. After cleaning and checking, we ... Trouble codes: 26 (Quad driver mod failure). |
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| 1995 Pontiac Sunfire GT 2.3L No communication VIN: 3G2JD12DXS There were many good ideas sent to me but Greg was right.Re enter the vehicle ID as 95 Sunfire with '2.2 vin.4'.This works perfectly.There must be a glitch between Snap On's software and GM's.I had verified the following first,MIL did light up,cig. fuse which ... |
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| 1996 Pontiac Grand Am GT 2.4L No Start VIN: 1G2NW12T7T the code that was supplied by computer had nothing to do with no start condition. advised customer to bring back when the problem occurs again. intermittent condition |
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