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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for August 27, 2005
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Open Help Requests for GM
Help Request Answers
1992 Cadillac Seville 4.9L Poor Idle Quality, Surge, Stall VIN: 1G6KS53B8N
well we got a good challenge with this cadillac seville. multiple problems but costumers complaint was hard start and running rough.dont know any background on when all these problems started, anyways car is hunting for idle abs light is on, service ride contr... Trouble codes: 16 (system voltage hi/low), 52 (memory reset)
1996 Cadillac DeVille 4.6L Low side temp senser VIN: 1G6KD52Y1T
Hi out ther my probom is the line that holds orfis tube is bad and cust dont whant to spend the mony to replace the acumlator and the orfise tube slides back and tears up the temp senser seting a code and turning off the compreser I have tryed taking a noter s...
1998 Chevrolet Monte Carlo LS 3.1L abs module VIN: 2G1WW12M2W
car sets code at random p1236 low voltage supply to module.dosent matter whether your braking turning or whatever.flow chart indicates a lack of battery power to module.i tapped into all power supplies and grounds at module during problem and all look ok.usein...
1996 Pontiac Bonneville SE 3.8L Stall VIN: 1G2HX52K1T
Thankyou in advanced for any help on this brainteaser. This vehicle has an intermittent stalling condition. When it happens it will restart after some difficulty. The only abnormal reading on the scanner is MAP voltage of -.55v It should be 1 to 5v. We have g... Trouble codes: 107 (MAP sensor voltage too low)

Fixes & Summaries for GM
Fix/Summary Answers
2000 Buick Century Limited 3.1L pump motor ckt. VIN: 2G4WY55J7Y
Thanks to the 5 guys who replied to my request. Next time I get a vehicle in with this code I will certainly try out these hints. To David in Ohio, the code never did reset. To David in Ontario, the moduale is inside the engine compartment, the connector and t...
1994 Cadillac Seville STS 4.6L Stall, MIL Lamp on VIN: 1G6KY529XR
First of all, if you have a engine light on with no codes and traction control disabled and a code T073 serial link error you have the classic symptoms for a faulty PCM. The answers to the other questions I had, 1) the number in the the Display with just the k... Trouble codes: 1034, 1052, T073 (current pulse width modulation fault), T072 (serial link fault).
1989 Chevrolet Beretta GT 2.8L No Start VIN: 1G1LW14W9K
All injectors were changed with injectors I pulled out of a 3.8 buick. Car now runns beautiful still doing idle relearn at the present time. Thanks for all of your help. You guys are great.All help is very much appreciated!!!
1993 Chevrolet Cavalier Z24 3.1L Poor Idle Quality VIN: 1G1JF14TPP
Well after tring about everything, we went back to where we had started the EGR valve.When I got car it had blue silcone ozing out from the EGR so I cleaned it up and put gaskets on it.We took it back off and didn't see anything wrong cleaned it up put new gas...
1995 Chevrolet Blazer 4.3L Cuts out VIN: 1GNDT13W4S
Hi guys, Ryan from N. Mexico got me started in the right direction. First, my Snap-on fuel gauge was reading 11# lower than the truth. The real readings are 61# (KOEO), and 54# running. All of you are right about the correct fuel pressures. I relied on specs f...
1998 Chevrolet Malibu 3.1L alternator VIN: 1G1NE52MOW
As I said in my update, I found 5 volts at the (L) terminal with the engine running. Check alternator on test bench and found the alternator was bad. Got another rebuilt alternator under the customers warranty and all is good. Would have rathered repaired it m...
2003 Chevrolet Impala LS 3.8L Battery VIN: 2G1WH52K93
Well this one is fixed. A faulty BCM was the culprit (it wouldn't send a sleep command for the radio and IPC. I guess the BCM is these cars tend to cause lots of grief. Unfortunatley I had to send this one to the dealer to have the BCM programmed for the car. ...
1996 Oldsmobile 88 Royale 3.8L windows, locks fuel pump VIN: 1G3HN52KXT
most of the replies were right on the button, almost as if you were right there looking at it. the problem was the ground located on the kick pannel. a simple cleaning and heatshrinking settled the mess and solved all the problems.. thank you again iatn
1998 Oldsmobile Aurora 4.0L exterior lights VIN: 1G3GR62C3W
Thanks for all the quick replys. It seems to be unanimous, headlight switch/multi-function switch. Problem was very intermittent...once or twice a month...I guess it's ok for now. I will definitely change the headlight switch when and if the customer returns. ...
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