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Prev Professional Automotive Repair Technical Discussions for November 17, 2012
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Open Help Requests for GM
Help Request Answers
1996 Chevrolet Impala SS 5.7L Misfire VIN: 1G1BL52P9T
Changed oil and scanned. Found miss fires on bank 2,#1 very many.Looked around rt side found pvc and hose in poor shape and leaking, replaced and miss fire on bank 2 went down, but not enough. When I raise idle miss fire goes away.Fuel trim is at 17 and when I... Trouble codes: P1416 (Air injection bank 2), P0300 (Miss fire)
1997 Chevrolet P30 5.7L Wheel Bearings VIN: 1GBHP32R4V
I can't be the first person to have this problem but have been unsuccessful in finding any kind of help with upgraded parts or a way to convert to a better system. My problem is I have a customer with two of the p30 stepvans that regularly have an issue with t...
2006 Chevrolet Suburban 1500 Z71 5.3L gauges VIN: 1GNEC16Z46
Customer brought in vehicle said gauge was going down while driving.scanned with no codes in memory.We tested the charging system and with all accessories on,a/c,high fan,high beams and after a few minutes charging slowly decreased from 14.2 to 12.6..The batte...
2006 GMC Savana 3500 6.6L steering VIN: 1GTHG35296
The day after this truck was worked on it started having an issue with extremely stiff steering which seems to be worse after sitting overnight. After the truck is driven for a while it seems to loosen up, and several times in the last month the customer says ...

Fixes & Summaries for GM
Fix/Summary Answers
2004 Cadillac CTS 3.6L No Start VIN: 1G6DM57734
sorry it took so long to get back. i did the VTD relear with the KOEO 4 10 minute cycles befor the car actually started, the theft light would just stay on and never go off untill the 4 time, car has been down the road for a little while now, and all seem w...
1986 Chevrolet C10 Scottsdale 5.0L 1-2 3-4 shift VIN: 1GCDC14H5G
Wow! Thanks for all the helpful responses. Unfortunately the customer took truck to upholstery shop and has been there ever since. He's beginning to get a liitle aggravated with them as they have not even started on it yet. Believe I have enough great inf...
2007 Chevrolet Silverado 3500 Classic LS 6.6L Poor Idle Quality, Knock VIN: 1GCJK33D97
I would like to thank everyone that took the time out of their day to help. I replaced the fuel injector programed the flow rate and that took care of my problem. everything is fine and the truck is running great. thank you again
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