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Professional Automotive Repair Technical Discussions for December 20, 2013 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1985 Cadillac Seville 4.1L Poor Idle Quality, Stall VIN: 1G6KS6983F Hello Fellow Techs, I need a detailed (correct) procedure how to perform idle relearn. Alldata does not work and other sources. Thanks in advance. Trouble codes: 30 (Idle Speed Control Unstable) |
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| 2004 Cadillac DeVille DTS 4.6L strut mounts VIN: 1G6KF57914 please help if anyone has ever had this problem |
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| 2004 Cadillac SRX 4.6L Misfire VIN: 1GYDE63A04 Hello Guys and Gals. Please assist me with the O2 Heater issue I am having. Tested the Pwr feed and recieved 12 volts to the O2 sensor. To test the ground side, I connected a test light to positive and back probed the PPL/White wire on the harness side and see... Trouble codes: P0030 (HO2S HEATER Control Circuit Bank 1 Sensor 1), P0522 (Engine Oil Pressure Sensor /Switch circuit Low Voltage), P0300 (Random Multiple Misfire) |
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| 2002 Chevrolet Trailblazer LS 4.2L rear defogger VIN: 1GNDT13S32 Customer brought in 02 Trailblazer and stated rear defogger was not working properly. These types of repairs are not my strong suit so any help is greatly appreciated. Only the 3rd and 4th lines on the defogger grid work. These 2 grid lines are in line with th... |
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| 2001 GMC Jimmy SLE 4.3L instrument diditai display VIN: 1GKDT13W31 No Interior door lamps working, No digital display on instrument panel, No radio lights on centre panel. |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2007 Cadillac Escalade 6.2L remote start VIN: 1GYFK63857 I have not fixed this vehicle yet. I wanted to update again but it only gave me the option of closing it out. I wanted to share with everyone what I have found at this point. New Fobs were ordered from the dealer that had the star on the back. There are 0 DT... |
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| 2006 Chevrolet Express 3500 6.6L Hesitation, Cuts out, MIL Lamp on, goes into limp mode VIN: 1GCHG35266 We decided to go after the turbo itself, when we split the turbo to remove it because it is a van. we found the pin that goes into the turbo plate that goes back in forth in the plates slot was worn half off the slot in the plate was also elongated.so the plat... Trouble codes: P0234, P0108. |
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| 2004 GMC Savana 3500 6.0L Trac Control VIN: 1GJHG39U14 This vehicle is not fixed. Customer debating over spending the money to replace the ebcm. I tried to find a used unit but none available with this option code. I want to thank all the people who took time to help. I will update if we get the go ahead to replac... |
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| 2005 GMC Sierra 1500 SLE 5.3L lighting VIN: 2GTEK19BX5 We tried another alternator after some more testing but still had the same problem. Replaced the GBCM with another used one, still got the same problem. It seemed that the vehicle was switching from charge mode to economy in a quick fashion (found this by wat... |
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| 1996 Oldsmobile 88 Royale 3.8L Poor Idle Quality VIN: 1G3HN52K9T Thanks for all the replies. I tried most of what you replied. Lots of good ideas. In the end I tried another PCM and it took care of it. |
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