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Prev Professional Automotive Repair Technical Discussions for March 24, 2014
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Open Help Requests for GM
Help Request Answers
2003 Buick Century Custom 3.1L Park Lights VIN: 2G4WS52J33
Car came in for water pump. Replaced and sent out the door with no other problems. Customer came to pick the car up next day and bat was dead. Jumped car and found out park lights were staying on. Customer left car and since then I have been pulling my hair ou...
2004 Cadillac CTS 3.6L MIL Lamp on, Reduced Power Mode VIN: 1G6DM57754
Need the help of IATN GM experts-only code P2122 returns and engine goes into reduced power mode.Believed cut & dry repair fit TSB exactly. P2138 is gone ECM replacement cured P0606 as it should have.All wiring intact & nothing rubbed.Have checked C104 Connect... Trouble codes: P2121 (APP Sensor 1 Performance-Circuit Low)
1994 Chevrolet S10 4.3L No Start VIN: 1GCCS14ZXR
I have an s10 that will not start. It will start at the first crank and then die right away. IF you carnk some more it will not do anything unless you hold throttle open then it will try to start. Came to me with a customer requesting we install a fuel pump. I...
1996 Chevrolet Tahoe LS 5.7L Poor Idle Quality, Hesitation, Misfire VIN: 1GNEK13R7T
vehicle brought in; customer complains of rough running. yes, mileage is accurate at over 380,000 miles. original long block as well. well maintained truck. p0300 set; checked misfire counter; shows dead miss at idle and under load on cyliders 3 and 5. pulled... Trouble codes: P0300
2007 Chevrolet Impala LT 3.9L Unknown VIN: 2G1WC58R27
This started out as an intermittent complaint from the customer and has gotten worse. When you take off from a stop the trans slips slightly and then engages hard, but then shifts fine after that. There are no codes. I can't find very much info on similar prob...

Fixes & Summaries for GM
Fix/Summary Answers
2002 Cadillac Escalade 6.0L No Start VIN: 1GYEK63N72
OK,calling this one fixed! We removed the main fuse box and inspected it, didnt see any corrosion but took a chance and ordered one, Dealer didnt have it in stock but took a chance. Replaced the box and its been good for 2 weeks. Thanks again!
2000 Chevrolet Express 3500 6.5L No Start, Poor Idle Quality VIN: 1GBJG31F9Y
Thanks to everyone that responded to my request. As we thought, the reman pump did indeed die shortly after we installed it. Got a new pump Friday at 5 pm and installed it this morning. Fired right up and is running like a champ.
2004 Chevrolet Silverado 1500 5.3L MIL Lamp on VIN: 1GCEC14T94
Fixed. Thank you to the many that replied. I wanted to wait awhile to be absolutely 100% positive that the problem is solved. Customer has since returned several times happy and brought the truck back for some maintenance. Short version: Ran new wires for... Trouble codes: P0651 (Sensor reference voltage B open. 5Volts ref 2 circuit).
2004 Chevrolet Silverado 2500 HD 6.6L Hesitation, Misfire VIN: 1GCHK23264
I replaced the #3 injector it ran way better customer wanted me to do #2 it was the same i checked the egr and it was not gummy. I tried several things it appears to be intermittent because after being in the shop awhile one day i took it out and drove it with...
2006 Hummer H3 3.5L cylinder head VIN: 5GTDN13666
Many thanks to all. I am going to add a timing chain to the quote.
2004 Saturn Ion-3 2.2L Excessive Emissions VIN: 1G8AL52F54
Thanks for all your responses. One of my tech did most of the work on this vehicle, I did find a lot of the issue was coming from the fuel injectors. After we replaced the I did notice that the oil was over full by about a qt. after the oil change and a ...
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