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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for October 16, 2004
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Open Help Requests for GM
Help Request Answers
1992 Buick Park Avenue 3.8L Air Conditioning VIN: 1G4CW53L4N
Hello All, The problem with the A/C system is that it will intermittantly stop working and default to economy mode. When it does this, the exterior temperature flashes. I dont have any information on this system and my neighboring shop didnt have any informa...
1988 Chevrolet S10 Blazer Sport 4.3L Poor Idle Quality, Surge, Stall VIN: 1GNCT18Z7J
This is one of those jobs that should be an easy fix but is driving me nuts. Customer had the transmission flushed at another shop and since then when started cold for the first five to fifteen seconds it runs good and then starts to surge between 500 to 1500 ...
2001 Chevrolet Suburban 2500 6.0L Poor Idle Quality, Stall, Misfire VIN: 3GNGC26091
vehicle came in with rough idle 1 week ago after cheaking truck out noticed 2 cracked plugs so I replaced plugs and wires with oem parts .still same problem. With scanner on truck misfire travles to different cyl.but not enough to set a code. I removed the inj...
1991 Pontiac Sunbird GT 3.1L Cuts out VIN: 1G2JU11T3M
Hi there. This car has been to four other shops both here and in other cities. At 3800 rpm`s it acts just like a governor is cutting in. If you accelerate very lightly, it will go past 4000 rpm just barely. You can hold the throttle anywhere past 16% and it wi...
1992 Pontiac Sunbird LE Value Leader 2.0L Misfire VIN: 1G2JC14H8N
Hi everyone, My problem vehicle is this peice of Pontiac 2.0 OHC Brazil motor. After tune-up vehicle ran good for three weeks, a couple hundred miles. It was brought back running poorly. I discovered two terminals on coil pack were dead. I replaced coil under ...

Fixes & Summaries for GM
Fix/Summary Answers
1993 Buick Century Custom 3.3L pwr door locks VIN: 1G4AG53NOP
First I would like to thank everyone who replied to my help request. The input from everyone was helpful. This vehicle as I mentioned before had an intermittant draw, on a circuit which was protected by a circuit breaker(30 amp). Looking at this circuit I conc...
1988 Cadillac Allante 4.1L No Crank VIN: 1G6VR3174J
Thanks to all who replied to my question. Sadly I haven't been able to fix the car. The car has started every day for the customer since he picked up the car. I did spend a little time last week when it came in for an LOF and tried a couple of ideas I was give...
1995 Chevrolet Cavalier 2.2L abs/sir VIN: 1G1JC1244S
we still have the same problem, we rechecked the grounds and replaced the ign. switch. thanks for all the help. if any more ideas let me know.the customer is letting us hunt some more.
1997 Geo Tracker 1.6L No Start VIN: 2CNBE1367V
Well I finally got this thing running. After running the no start tests a third time everything still pointed to an igniter problem but since this car had three distributors installed I knew it couldn't be that. Basically the no spark test consists of checking...
1994 Oldsmobile Cutlass Supreme S 3.4L secondary timing belt VIN: 1G3WH15X3R
i wrote some stuff a minute ago but some how tring to edit it everthing disappeared and let me tell you i am no typist. this was the first time i asked for help and it came right away. everyone was right on with their reply. i did have one set of cams 180 ou...
1994 Pontiac Trans Sport 3.1L Speedometer VIN: 1GMDU06D3R
Thanks to all who responded - thru extensive research at the salvage yard were the used transmission was purchased we found that the vehicles original trnasmission had a final drive gear of 3.06 - the used transmission had a final drive of 3.18 therefore the s...
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