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Prev Professional Automotive Repair Technical Discussions for June 11, 2013
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Open Help Requests for GM
Help Request Answers
2007 Cadillac SRX 3.6L security VIN: 1GYEE63767
Greetings, This Caddy has what I believe to be a problem in the security system? I could use some thoughts on this, I will try to explain as best as I can because I am going on what the customer has told me. The problem started off this way.. He could unlock t...
1994 Chevrolet Cavalier RS 2.2L Poor Idle Quality, Misfire VIN: 1G1JC1442R
2.2L is kicking my butt. #1 is dead at idle, cruises ok. swapped plugs, wires, injectors, no change removed egr, not stuck, pulled front cover timing components are fine. tried to find external vacuum leak with propane and carb spray, watching o2 readings, lea...
2000 Chevrolet Silverado 1500 4.3L Electronic VIN: 1GCEC14W6Y
Need help, I have this vehicle it was towed in our shop for no start engine light is on for p0303,b2647,u1041 and u1016. I have checked the wiring harness for any corrosion none found very close on calling for PCM but before I do just want to make sure I have ...
2000 Chevrolet Prizm 1.8L Srs System VIN: 1Y1SK5284Y
The car was in a small wreck all under car damage but the airbags went off and seat belts body damage just the bumper cover had some cracks in it and was replaced.the frame was damaged and was repaired the light did work after the wreck until i took it t...
2001 Oldsmobile Intrigue GL 3.5L running VIN: 1G3WS52H31
car came in with what seemed to be security issue it wouldnt start we replaced the passlock sensor and reprogramed it it started right up. but now it still is acting up sometimes it start sometimes it wont . heres the weird thing when it starts and the dash li...
2006 Pontiac G6 2.4L No Start VIN: 1G2ZF55B86
@ times this vehicle will not crank to start. when this happens customer states. the vehicle will not turn off and radio stays on. have cleaned all grounds. voltage drop tested. have charged and test battery. inspection underhood relay center. this happens int... Trouble codes: B1325 (ignition 1 voltage), P0650, P1682, P0690, U2137
2008 Pontiac Grand Prix 3.8L Surge VIN: 2G2WP55248
This car has a surge that I can't pinpoint the cause of. It occurs only while under light load, usually while going uphill. And only between 50mph and 65mph. It doesn't appear to be a misfire, only a 100-200 rpm surge. There are no codes stored, no misfires sh...

Fixes & Summaries for GM
Fix/Summary Answers
1992 Buick Century Custom 3.3L Stall VIN: 1G4AH54N8N
Thank you for all 23 replies! All replies helped me think clearly about the situation. After test driving the car about 20 miles, it was clear that the stalling happened only after a period of cruising at highway speed over 5 miles, and when the car came to ...
1999 Cadillac Seville STS 4.6L climate control VIN: 1G6KY5497X
Thanks for all the replies, they really got me back on the right track. We started again from scratch and added extra dye and oil, then filled the system and added an extra 6 oz. refrigerant. The system functioned correctly across all the outlets. Sent the cus...
2001 GMC Sierra 1500 SL 5.3L air bag indicator VIN: 2GTEK19T81
Thank you all for your insightful replies. We ended up doing the tests with the 2 ohm resistor (Actually two 1 ohm resistors soldered together, 1 ohm was the largest available to us), and we found that the coil was bad. Replaced it with a new one and the lig...
2007 Saturn Aura XR 3.6L shifting VIN: 1G8ZV57747
My customer has declined to gamble on a valve body repair; and there is no transmission available for this car; from the dealer; Jasper; or even a used one! I really picked a good one. Strang car... Thanks for the posts guys Larry
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