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Prev Professional Automotive Repair Technical Discussions for June 11, 2004
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Open Help Requests for GM
Help Request Answers
1998 Buick LeSabre Custom 3.8L interior lights VIN: 1G4HP52KYW
Need Help, Im loosing my mind. I have a interior light that comes on with the drl's, or headlamp, or park lights. all trigger the interior lights to come on, at night when the lights come on so does the courtsey lights, if i just turn on the park lights it sti...
1992 Cadillac DeVille 4.9L compressor VIN: 1G6CD13B7N
Have this cadillac and the compressor will not engage. All fuses are good but I have no power to low pressure switch. I have put it through self diagnosics and there are no bcm codes in memory. We also put it through the reset procedere and still have no opera...
1997 Cadillac Seville STS 4.6L Cooling Systems VIN: 1G6KY529XV
ok folks, this northstar wants to heat up after long trip and after a long pull, long trip= 30 mins or longer. we first found low on coolant, bled system and used vac to pull system down, after long drive temps started to climb, but never overheated, replaced ...
1997 Cadillac Seville STS 4.6L abs VIN: 1G6KY529XV
Net Techs, This Cadillac has a traction control problem. Intermittantly, when takeing off from a stop, you can hear the traction control system apply and the drivers information center reads traction control enabled. There areno codes stored for ABS or any ot...
1986 Chevrolet Astro 4.3L Poor Idle Quality, Surge, MIL Lamp on VIN: 1G8DM15Z8G
when putting the vehicle into gear, the idle goes up to 1300 rpm and vehicle surges and lurches. when in neutral or park, idle drops down to normal.
1997 Chevrolet S10 4.3L Surge, Misfire, MIL Lamp on VIN: 1GTDT19W4V
This is the second one i have seen do this and have still to figure it out. We just replaced the intake manifold gaskets and after we got a cmp and mutiple cylinder miss fire code. Replaced the cam sensor and plugs,wires and rotor. Cmp sensor code dont reset n... Trouble codes: P0300
1994 Pontiac Bonneville SE 3.8L MIL Lamp on VIN: 1G2HX52L1R
car came n to shop 1 week ago. had codes p0341 cam/crank error and p0361 est not togglng.customer stated that car would die out and not restart.found loss of fuel injector and crank sgnals good.also check sgnal to and from igniton control moudle and... Trouble codes: P0341 (cam/crank error), P0342 (cam sensor crcut)
2001 Pontiac Montana 3.4L front suspension VIN: 1GMDX03EX1
hi, thanks for the time to reply, this is a puzzler. i've had the rf wheel off, inspected all the steering/suspension components, but can't find anything loose or worn, so i sprayed some silicone lube on the strut mount rubber, still clunks. its a very quiet n...

Fixes & Summaries for GM
Fix/Summary Answers
1993 Buick LeSabre Custom 3.8L a/c vents VIN: 1G4HP53L6P
Thanks to those who responded, but this one wasn't a vacumn issue. Turns out the controller grounds the wires to each vacumn solenoid in order to make it switch. The pink wire (A/C - Defrost demand) wasn't the circuit affected. According to the wire diagram on...
1994 Chevrolet Caprice Classic 5.7L A/C compressor VIN: 1G1BL52POR
Sent the vehicle to the dealer for ECM reprogram that fix the problem.
1997 Chevrolet Astro 4.3L speedometer VIN: 1GNDM19W9U
I don't think this van is going to be fixed here. The only thing i got to really check was the wires from speed sensor to pcm and i could find nothing wrong. The owner needed the van back so thats as far as i got. Anyway the vehicle is out of my hair because t...
1997 Chevrolet C1500 5.7L No Start, Cuts out, Stall VIN: GTEC19RXV1
Turns out that some information was left out. Like when the truck stalled, it would turn over but would not start. If it sat for a few minutes, it would start right up. As far as the radio and the dash lights flickering or going out, that was just a myth the c...
2002 Chevrolet Trailblazer LS 4.2L fan clutch VIN: 1GNDS13S22
Thankyou to mark, erick, paul, and especially to steven from B.C. the information you sent was just what i needed. the cure was a newfan clutch. Randy re:Aautoteacher at
1993 Oldsmobile 98 Regency Elite 3.8L No Start VIN: 1G3CW53L1P
This is a good example of stopping short when I should have gone further. The problem was in the wiring to the sensor. Using the Vantage, I had a good signature form for both 3x ans 18x. Yet waveform was not enough. Chart A3 page 3 test 7 has you power the sen...
1994 Oldsmobile 98 Regency Elite 3.8L Surge VIN: 1G3CW5218R
our final diagnosis was the tcc in the transmission, the customer didn't want to repair it until it got worse.
1993 Pontiac Grand Am SE 3.3L No Start, Poor Idle Quality, Cuts out, Stall VIN: 1G2NE54N6P
gentlemen ,I was aware of the lack of technical details when I composed my request.Your responces helped to convince the owner that educated guessing would not get the desired results.I convinced him to do some real/basic diognostics(2hrs)and the results were ...
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