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Professional Automotive Repair Technical Discussions for May 12, 2015 International Automotive Technicians' Network (iATN) - Members Only |
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| (Also Available: All, Asian, Chrysler, European, Ford, GM.) | ||
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Open Help Requests for GM
| Help Request | Answers | |
| 1995 Chevrolet Lumina 3.1L High idle VIN: 2G1WL52M9S I have a 3.1L with a high idle and I cannot nail it down. I'm trying to diagnose it without throwing parts at it. I have cleaned the throttle plate and body. I've taken the IAC out and cleaned it. Searched for vacuum leaks and cannot find one. I've even backed... |
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| 2005 Chevrolet Classic 2.2L Odometer/Radio VIN: 1G1ND52F55 HELLO all, new customer came in and carried an old battery in, tested and found it to be dead.customer bought and installed battery and then came back with the veh. and several of the dash lites were on, the radio would not shut off with out removing the batte... |
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| 2006 Chevrolet Silverado 2500 HD LT 6.0L No Start, MIL Lamp on VIN: 1GCHC24U36 Now the truck will not start acts just like security issues, tried to relearn with no success, tried to scan and have no communication, removed splice comb #SP205 and jumpered pin b-d now truck starts then I jumpered all other pins in sp205 to pins b-d and the... |
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| 2007 Chevrolet Impala LTZ 3.9L Poor Idle Quality, Misfire, MIL Lamp on VIN: 2G1WU58R07 Vehicle was bought at auction so i dont have previous repair info. Car had multiple problems. The plastic gear in the throttle body was broke causing a limp mode condition. Replaced throttle body but still ran rough with ckp/cmp correlation codes. Found timing... Trouble codes: P0300 (Misfire detected) |
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| 2012 Chevrolet Impala LT 3.6L rack and pinion VIN: 2G1WD5E38C Hello fello technicians. We have recently had several W body GMs in the last month and after replacing the inner tie rods within a week or two they complain of hard steering to the left when parked or going slow. We leave the rack in vehicle and use an inner t... |
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| 2000 GMC Savana 3500 5.7L No Start VIN: 1GDHG31R8Y Need help please. I have a 2000 GMC Savanna 3/4 ton large box van. It has an intermittent no start condition. It was towed in no start with fuel pressure at 62 psi dropped to 58 psi cranking. Coil spark tested at 40kv and spark test at plug at 20kv. Plugs are ... |
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| 2002 GMC W4500 Forward W4S042 5.7L No Start VIN: 4KDC4B1R52 Has no power to fuel pump, Will not start, Cannot locate fuel pump relay? Any ideas? |
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| 2004 Pontiac Montana 3.4L Window VIN: 1GMDX13E94 Thanks in advance to all of u out their my issue with the car is pass window will go down and not up drivers side works fine when I test motor I get power to the wire I believe brown is down and blue is up I seam to lose gout to bring window up my ? Is were do... |
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| 2006 Saturn Vue 3.5L MIL Lamp on, wont pass evap test VIN: 5GZCZ53466 We started with the (po446-evap emission vent system performance) code and broke it down with the help of all data and replacing parts that are most common to fail according to alldata, google, youtube, and the fixes done by members of the IATN. 1st part we re... Trouble codes: P0446 |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2004 Cadillac Escalade ESV 6.0L Recalibration VIN: 3GYFK66N84 We got GM cross referenced part number for napa door actuators. They wouldn't recalibrate, they would sweep from open to close and then would not return back to center. Ordered one from GM works just fine. |
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| 2001 Chevrolet Silverado 2500 6.0L Abs VIN: 1GCGK29U01 EBCM was sent to a rebuilder. Rebuilt EBCM fixed the problem. No flashing or programming was required. The brake pedal was also firmer and higher. |
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| 1996 GMC K2500 Sierra SL 5.7L spark VIN: 1GTGK24R6T The ground strap going from the fire wall of the cab to the frame was broken. When problem occurred the PCM was not sending a full 5V to the ICM. The truck started again before I could check for power and ground. So I got out a ground distribution chart and a ... |
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| 2008 GMC Envoy SLE 4.2L Ignition Switch VIN: 1GKDT13S88 We were on the page of the PCM causing the Start in Run... The Ignition Switch was brand new from the dealer to fix a draw issue, so that takes it out of the picture... and yes when the X1 Connector was disconnected from the PCM the car would not crank.. But t... |
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| 1990 Oldsmobile Cutlass Supreme SL 3.1L Hesitation, Surge, Cuts out, Misfire VIN: 1G3WS54T5L Thank you for everyone that takes there time to help. This problem baby is all fixed and confirm. I will start by saying that there were 2 original problems and we gave it another one by a defective part. It has bad injectors and we replace with brand new on... Trouble codes: 33 (Map), 35 (Iac). |
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