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Prev Professional Automotive Repair Technical Discussions for December 28, 2013
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Open Help Requests for GM
Help Request Answers
1997 Cadillac DeVille 4.6L No Start VIN: 1G6KD54Y7V
Vehicle rarely starts. No comm with any modules; even when it occasionally starts it has no com when running either. Digital cluster; no speedo or odometer. mpg and hvac diplays dashes, but occasionally work. HVAC fan comes on and off with no input and no key ...
1999 Pontiac Grand Prix GT 3.8L Poor Idle Quality, Surge, Stall VIN: 1G2WP12K8X
hello every one. as it says in the repair history this is not the first time we have looked at this vehicle for this problem. we had to replace the iac again as it had come apart again. this did not help our situation this time. after the vehicle runs and warm... Trouble codes: P0172 (fuel system rich bank 1)

Fixes & Summaries for GM
Fix/Summary Answers
2002 Cadillac Seville SLS 4.6L MIL Lamp on VIN: 1G6KS54Y92
Most replies suggested a factory cat. While the price for that is $2000.00, the customer is not going to spend that much. I don't blame him. We are waiting for another cat that is supposed to be a California compliance cat. Been waiting over two weeks now. We'... Trouble codes: P0420 (Cat effic).
2003 Cadillac CTS 3.2L Heater VIN: 1G6DM57NX3
Thanks to all for the replies and advice. This car is finally fixed. In summary, if it looks like a bad heater core, sounds like a bad heater core, it's probably a bad heater core. And that's what it was - a bad heater core. More to the point, the system w...
2005 Chevrolet Silverado 1500 LS 5.3L transfer case VIN: 2GCEK13T25
well the owner kept telling me that some shop had replaced the encoder motor with a dealer unit that cost him $500.00,so I ruled out the encoder motor and went for the tccm to no avail. I finally pulled the front drive shaft to get a closer look at the harness...
2003 GMC Yukon SLE 5.3L dome light,dash shows rear access open VIN: 1GKEK13Z83
The car always started for me no codes in any module,the car also needs a DDM because of window issues I advised customer that the bcm and ddm should be changed at the same time because both need to be flashed and 1 visit by my flash guy is cheaper than 2. Cus...
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