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Prev Professional Automotive Repair Technical Discussions for May 26, 2004
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(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for GM
Help Request Answers
1993 Buick Century Custom 3.3L power door locks VIN: 1G4AG55M5R
The Customer says that about once every 3 months or so they can't turn there door key (either front door) to unlock there car. They have to have aaa come out and use a slim jim type tool to hit the interior unlock button to get the car open. We have not been a...
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1998 Cadillac Seville STS 4.6L programing failure VIN: 1G6KY5490W
Help!! Calling any Caddy programmers out there. While trying to reprogram the ECM with my Tech-2, the download to the car was about 50% done when all of the sudden the display showed up several, (13 I think), error messages and the message "Programming Faile...
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2000 Cadillac Escalade 5.7L Hesitation, Stall, Misfire
Truck came in for a slight running rough condition/stalling bucking on accel. A complete tune up was done do to oem compnents still on the truck. After installing all the components the problem was still there. The condition is the truck sometimes is hard to ...
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1991 Chevrolet S10 4.3L no speedo VIN: 1GCER14K6H
i have this s-10 that is driving me nuts. the speedo is inop. speed sensor signal to drac is ok. signal from drac to ecm is good. signal to abs module is good. my problem is that i can not get a signal to the cluster. replaced drac. no change. i cannot see any...
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1994 Chevrolet K1500 Cheyenne 5.7L Burns Oil VIN: 1GCEK19K7R
Truck is burning oil at one qt per 200 miles. It does not smoke on start up. It does not smoke when acc under normal driving conditions. When we see smoke is hard accl when truck is cold. Fire the truck up and floor it and there is alot of smoke. Stay in the g...
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1994 Chevrolet Caprice Classic 4.3L 3rd gear at stop VIN: 1G1BL52W8R
This caprice will take off from a stop in third gear. It will shift down to second when shifted to manual low. Found a code 84 for 3-2 shift solenoid. I checked with ohmmeter and got 10 ohms. Under list of possible causes All-data lists only solenoid and pcm a...
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1996 Chevrolet S10 LS 4.3L No Start VIN: 1GCCS19X7T
This truck cranks ok, sometimes sounds like it wants to fire, then sometimes will hesitate, like retarted timing. I pulled #2 and #4 plug and motor started. plugs back in, dropped exhaust in ft of cat, wont start? Cat is melted down, and fuel filter was 99% pl...
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1996 GMC K1500 Sierra SL 5.7L MIL Lamp on, Code P0430 VIN: 2GTEK19ROT
After a major tune up vehicle was driven for about a week before mil came back on with a P0430 stored. Does this vehicle have a bad converter? Can a fuel injection flush bring it back. Any one ran into this problem. Not the first one I've seen. 1999 Chevrolet ... Trouble codes: P0430 (converter efficiency bank 2)
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1999 Oldsmobile Cutlass GLS 3.1L turn signals/headlamps/wipers VIN: 1G3NG52M4X
customer complaint is intermittant loss of following lighting systems: turn signals(left and right), daytime running lamps and headlamps. Also the windshield wipers only work on high and will not park. The service vehicle soon and theft system lamps are on in ...
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1998 Other GM H1 6.0L Out put flange, left VIN: 137ZA8434V
The left rear brake pad and caliper are wet with gear oil. Left out put flange appears to leak on the rotor side of flange (not the seal side at rear diff) Before we take it apart, A) is there a seal at the center of the flange, B) does any one have a source f...
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1996 Pontiac Grand Am SE 3.1L MIL Lamp on VIN: 1G2NE52M5T
Car keeps setting the same codes- both oxygen sensor are working fine when scanning- switching lean to rich- Both sensors were replaced 11/02 and rear was replaced again 10/03- it is setting codes again for both sensors- The code description details sensor rem... Trouble codes: P0134 (Front O2 sensor no activity), P0140 (Rear O2 sensor no activity)
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1999 Pontiac Grand Prix GT 3.8L Cuts out, Misfire VIN: 1G2WP52K7X
This one has us stumped.Customer complains of a miss under light load at 45 to 50 mph.We have not been able to make it miss for us but she says it misses. We have driven with her and she has not been able to make it do it when we are along. We have put more ...
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Fixes & Summaries for GM
Fix/Summary Answers
1998 Buick Century Custom 3.1L abs and master cyl
found out that the delco 4 or 5 abs unit failed when the piston was forced back without opening the bleeder at the caliper. we ate a 700 doller unit a labor. thanks for everyones help. Franky
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1998 Buick Regal LS 3.8L MIL Lamp on VIN: 2G4WFS214W
we found a broken tube on the filler neck assembly.thank you all for the help.rust had penetrated the metal and removing the fuel tank disturbed it enough to cause a leak. Trouble codes: 442 (evap. small leak detected).
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1997 Chevrolet Astro 4.3L Misfire VIN: 1GBEL19W2V
Frist of all a big thank you to all who took the time out of their day to help!!! iATN is a great tool!!! We checked and rechecked compression,and running compression, we had AC plugs in it - and replaced #4 same. We then decided to remove upper plenum to insp...
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2002 Chevrolet Tahoe LS 5.3L Duct Temp VIN: 1GNEC13T12
Hi Friends! I recieved many replys for my request. With many different suggestions. Most requested system pressures to offer more help! I checked pressures they were within specs! i then evaq and check feron amount was low about .75# but still smae problem. I ...
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2002 Chevrolet Suburban 1500 LS 5.3L Misfire, MIL Lamp on VIN: 3GNFK16Z22
THANKS! We had 2 that knew what the problem was. The Cat on the passenger side is clogged. The exhaust system has separte cats just below the exh manifolds. The misfires only were occuring on the one side that had the clogged cat. Relieving the exh back pressu... Trouble codes: P0300.
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1990 GMC K1500 Sierra 5.0L brakes VIN: 2GCDK14H2L
rear brakes were not adjusted that is why the peddle was crappy. abs light was on due to excessive hydrolic pressure created from the oversized tires and rims.
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1990 GMC K1500 Sierra 5.0L brakes VIN: 2GCDK14H2L
this was a double message... there was another response
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1998 GMC Jimmy Envoy 4.3L Drivetrain VIN: 1GKDT13W7W
We found that the gears in the rear axle were not 'stock', this is what caused the problem. Thank you to all who offered me HELP
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