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Prev Professional Automotive Repair Technical Discussions for October 22, 2011
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Open Help Requests for GM
Help Request Answers
1997 Cadillac Eldorado ETC 4.6L Theft VIN: 1G6ET1293V
First off thanks, Car displays on info centre Theft system problem. car will no start. It gives me a exp 34 code. which i cant find info on. It will start and die within 3 secs. The prndl lights are flashing on the cluster. Hvac controls dont work or light up....
2006 Cadillac CTS 2.8L abs VIN: 1G6DM57T56
Is a Tech 2 the only piece of equipment that will perform the re-calibration of the brake pedal position sensor
1994 Chevrolet Corvette ZR-1 5.7L Stall, Misfire VIN: 1G1YY22P8R
This car was just bought from a dealer and it seems as though some one has been here before. this is the first opti-spark system i have worked on and i was hopeing for some advise. Trouble codes: 42 (Est grounded)
2003 Chevrolet Trailblazer LT 4.2L Misfire VIN: 1GNDT13523
I have 2 problems with this POS most importantly it misses at an idle and occasionally at speed(customer "thinks it misses at speed" could be very slight or not at all). We cleaned the fuel rail and thought we made an improvement so we tried a set of injectors... Trouble codes: P0300 (Random mis), P1523 (Throttle closed position performance), P1481 (Cooling fan speed sensor circuit)
1998 GMC C1500 Sierra SL 5.7L radio VIN: 2GTEC19R7W
I have a customer complaining of a static noise when listening to am station on the radio. Engine off the radio has no static noise. Only when engine is running. It's not terrible. The static increases when reving up the engine. Has cheap plug wires on it so I...

Fixes & Summaries for GM
Fix/Summary Answers
2004 Chevrolet Silverado 1500 LT 5.3L No Start, Cuts out, MIL Lamp on VIN: 1GCEK13TX4
thank you all for the replies.this one is fixed.i had the dealer flash the ecm but it did not fix it.i was looking for one thing that was causing all the problems.the fix was the ign switch for the tranny not shifting,the knock sensor were bad after three sets... Trouble codes: P0332, P0740, P0785, P0753, P0785.
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