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Prev Professional Automotive Repair Technical Discussions for December 17, 2012
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Open Help Requests for GM
Help Request Answers
1997 Cadillac DeVille d'Elegance 4.6L power seat VIN: 1G6KE52Y8V
good morning all-first help post so be gentle.I have inherited a 97 deville d'elegance with inoperative drivers seat-lumbar works.I have good powers and grounds to relay module under seat.The wiring diagram i have shows the switch on door provides path to grou...
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2007 Cadillac DTS 4.6L Driver Info Center VIN: 1G6KD57YX7
Vehicle displays "Service Park Assist" in DIC. Scanning with VerusPro shows no codes as per TSB #08-08-127-001A. Also, unplugging harness/sensors does not set any codes. All modules were checked for codes, starting with the Body Control Module. However, could ...
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1996 Chevrolet C2500 Silverado 6.5L No Start, MIL Lamp on
hey guys working on my personal pickup here, started acting up a couple of weeks ago with an intermittent no start always when warmed up. shortly after that i got a po231 code low lift pump feed back voltage. so i replaced the lift pump as it was old anyway, a... Trouble codes: P0231
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2002 Chevrolet Trailblazer LT 4.2L No Start VIN: 1GND513S92
2002 Chevrolet Trailblazer LS 4.2L Cluster, Starter By: Jeff AndonianDec 17, 2012 9:15:03 AM in GM Electrical Ok have this trailblaizer. In the morning when you turn the key nothing no dash lights no gauges work and wont crank its like a dead battery. Hook up...
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2003 Chevrolet Silverado 3500 8.1L Sticking throttle VIN: 1GCJK33GX3
Brought in for "sticking throttle"!When the pedal is applyed over 1/2 throttle then realeased to 0 throttle(foot off compleatly)vehical still accelerates for appoxmetly 5-8sec befor slowing down!!will also shift 2 to 3 gears during this time!!APP readings 1 an...
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2004 Chevrolet Silverado 3500 LS 6.6L Excessive Emissions, Low power VIN: 1GBJK34284
Hi All, Got a 2004 Chevrolet 1 ton thats giving me fits. Low power, excessive smoke (black). no programmers, aftermarket performance products of any kind on this truck. Ya get out on the road, and step on it (just normal takeoff) nooo power, hold it all the wa... Trouble codes: P0101 (MAF Circuit Out of Range)
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2006 Chevrolet Impala LT 3.5L No Start VIN: 2G1WT55K16
This car came in originally with a harsh shift condition. Only has 98k miles on the car. So first thing i wanted to try was reprogram the TCM with my tech 2. The programming would get to 80% and fail. So i replaced the TCM and tried to program the new one and ...
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2008 GMC Acadia SLT 3.6L compressor VIN: 1GKER23738
Sorry in advance for such limited data but this is happening while driving from OH to FL. I'm driving my parents' vehicle and on this trip we have experienced this problem for the first time. Whenever you try to turn on the a/c by pushing the button, the indic...
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2008 GMC Acadia SLT 3.6L Hesitation, Cuts out, Misfire, MIL Lamp on VIN: 1GKEV33798
customer called saying the vehicle has no power and hesitating. -drove home and the next day, it started up fine and drove here to the shop -the codes were stored in the history of ECM -drives fine, but seems to be intermittent -replaced water pump and thermos... Trouble codes: P0202 (cylinder 2 - injector circuit problem), P0204 (cylinder 4 - injector circuit problem), P0206 (cylinder 6 - injector circuit problem), P0300 (Engine misfire detected)
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Fixes & Summaries for GM
Fix/Summary Answers
2006 Cadillac CTS 3.6L MIL Lamp on VIN: 1G6DP577X6
A new ECM fixed the problem with the ignition lock but the loss of communication codes were still setting. The problems were somewhat intermittent but more prevalent with movement of the vehicle. Given the loss of communication codes, I thought the class 2 s... Trouble codes: P0627, P1629, U1000, U1300.
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1990 Chevrolet K2500 Cheyenne 5.7L No Start VIN: 1GCGK24K8L
THANKS FOR THE MANY REPLIES. IT DID TURN OUT TO BE THE IGNITION COIL. I DID NOT THINK THAT IT WAS THE COIL BECAUSE I DID HAVE SPARK TO THE NEW DISTRIBUTOR CAP. WITH THE MANY REPLIES I TRIED THE COIL AND IT WORKED. THANK YOU TIM
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1996 Chevrolet Tahoe LS 5.7L No Start VIN: 1GNEK13R8T
i figured out that if you pinch the return and your holding pressure then its definetly not the pump. I got a new pressure reg from the dealer this time and the truck is running good.
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2002 Chevrolet Astro LS 4.3L No Start, Hesitation, Stall, Misfire, MIL Lamp on VIN: 1GNDM19X42
(30 IN MISSPRINT) TURNS OUT BAD CRANK SENSOR, HAVE ALREADY REMOVED SCREENS IN BOTTOM OF DISTRIBUTOR ON FIRST CAP/ROTOR REPLACEMENT (TSB) THANKS FOR ALL THE REPLIES. Trouble codes: P0300.
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2004 Chevrolet Aveo 1.6L 4th gear VIN: KL1TD62684
Relearned the cranshaft sensor and thats what did it, thanks alot for your help.
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2003 GMC Yukon Denali 6.0L MIL Lamp on VIN: 1GKEK63U53
OK guys I'm going to pronounce this one as repaired. Actually had a couple problems. Had mentioned that the connector and wire harness leading into the throttle body had already been replaced. What I did is turned the key on and then went out and wiggled the h... Trouble codes: P0120, P2135 (Throttle Position Sensor 1-2 Correlation).
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