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Professional Automotive Repair Technical Discussions for March 25, 2016 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 2003 Cadillac Escalade 6.0L Cruise Control VIN: 3GYEK63N23 Found Cruise Control inop. Looking at Cruise Control Data using a Tech 2 the stoplamp switch parameter should change from applied to released with pedal application. This vehicle is applied at all times, the brake pedal switch will change from released to appl... |
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| 1999 Chevrolet Express 1500 5.7L Hesitation, Stall VIN: 1GCFG15R1X Will start and idle good, but when you start to give it gas will bog down and die if you don't let up, if you give it gas slow it does fine. Found out if you un-plug tp sensor will take fuel fine. But it checks good and also tryed used ones same problem. Has g... |
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| 2000 Chevrolet Astro 4.3L Readiness VIN: 1GNDM19W0Y We have this van here that just won't complete the readiness for the cat monitor. The cats were replaced along with the O2s and fault code erased. We have driven the van for over 160 miles on the dyno and on the streets. Every single readiness monitor is set e... |
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| 2005 Chevrolet C5500 Kodiak C5C042 6.6L No Start VIN: 1GBE5C1215 This is one of those jobs I wish I would not have taken in. After pulling motor to replace oil pump this beast decides not to start. I am not a diesel mechanic but I am not scare to go where no gas mechanic has gone before. First I only removed harness at bu... Trouble codes: P0193, P0642, U0106 |
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| 2005 Chevrolet Colorado Z85 LS 3.5L Poor Idle Quality, Stall, Misfire VIN: 1GCDT13625 Owner drove to garage complaining of very rough idle, worse with more throttle but all of a sudden it was ok and he drove to garage. now it will only run for a few seconds now and then. Starts, fast idle, then starts to misfire and finally stalls. If I add fue... Trouble codes: P0300 (Random missfire) |
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| 2012 Chevrolet Malibu LT 2.4L Hesitation, Surge, Stall, MIL Lamp on VIN: 1G1ZC5E07C Map was replace by another shop .scan tested and saw no reading from the Map. We replaced the map with a factory a/c delco sensor. the car left the shop ran great for 2 days and now is back with the same 2 codes. I then tested at the map connector for power (5... Trouble codes: P0106, P0107 |
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| 2014 Chevrolet Silverado 1500 LTZ 5.3L Middle Sensors Over Sensitive VIN: 3GCUKSEC2E Good Friday fellow Tech's, This is my personal truck, i put a Ranch Hand full replacement Guard on it as i live in Texas. Ranch hand said to point the center sensors inward so they do not pick up the uprights on the deer guard. This does not work, i just want ... |
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| 2008 GMC Sierra 2500 HD WT 6.6L derate VIN: 1GTHK23678 I am seeing this more and more. Truck with a p0101. Customer states intermittent. Customer replaced own maf with oem par. He does have a K&N filter but new. I monitor grams per sec and they are with in value. I have also put in oem filters and the problem stay... Trouble codes: P0101, P2563 |
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| 2011 GMC Savana 3500 4.8L No Start VIN: 1GDY72CA1B Van Was Wrecked Left Front. They Replaced Left Frame Rail. Has No Start, No Crank. Scanner Will Not Communicate With PCM, Transmission, Antilock Module, And Roll Over Sensor. Checking Modules Under Module Set Up I Can See BCM, Radio, Door lock Modules. Looking... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2000 Cadillac Eldorado ESC 4.6L Cuts out VIN: 1G6EL12Y2Y I was never able to duplicate the issue. GM discontinued this ignition switch a long time ago but was able to find one at Rock Auto. The car has been going with no problems for a week now. Appreciate all of your thoughts. Ron |
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| 2003 Chevrolet Tahoe LS 5.3L left turn signal VIN: 1GNEK13T93 I received a lot of advice that I had already gone through and would like to especially thank Joe from New Jersey who turned me onto the flasher module, Dan from Ontario who though touched on many of the same things I had already gone over, he put it in a d... |
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| 2007 Chevrolet Avalanche LTZ 5.3L remote start VIN: 3GNFK12367 FINALLY fixed this stupid thing!!! I'll spare the long story---I went into the RCDLR and monitored what the buttons on the key fob were commanding when I pressed them. The button for the remote start was coming up R CLOSURE REL. as if it was set up for maybe ... |
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| 2008 Chevrolet Avalanche LTZ 5.3L AFM Lifter/VLOM Thanks for all the help, pulled the Bank 2 head. Found Cylinder 4 AFM lifters where installed 180 degrees off. I have done this job over 15 times and have no idea how i installed it wrong. But i reinstalled the lifters with the oil hole facing upward and the p... |
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| 2008 GMC Acadia SLT 3.6L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1GKER23758 Thank you to all that responded, well the fix was simply a timing issue, we know we had this puppy in time time first time we installed all new new chains and tensioners, Were we went wrong was buying a cheap after market timing kit. The new tensioner on ... Trouble codes: P0019, P0346. |
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