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Professional Automotive Repair Technical Discussions for April 5, 2017 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 2008 Buick Enclave CXL 3.6L odometer reading VIN: 5GAER23718 the odometer reading is very dim. then a may come back on bright. All so on the dash the abs check engine light and other light on the bottom of the dash unit comes on, then may go off by it's self, with no code in computer system. |
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| 2003 Cadillac Escalade 6.0L Master Cyl, hydroboost VIN: 3GYEK63N33 I have this 03 Escalade EXT Truck with hydro-boost brake assist that came to us from another shop with intermittent brake lock after hard(emergency) stop. It will lock all the brakes and it won 19t let go till I crack open a brake line bleeder or brake fitting... |
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| 2000 Chevrolet Impala LS 3.8L No Start VIN: 2G1WH55K6Y Car acts like it fires at wrong time when cranking I have swapped ignition module and coils with known good same problem. I checked for water in the intake and watched fuel gage drop with fuel pump disabled for injector drop. I also pulled front o2 for closed ... |
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| 2000 GMC Yukon SLT 5.3L Stall VIN: 1GKEK13V3Y Thank you for reading about my headache GMC. It is a well cared for vehicle but has sat the last 16-18 months. Customer said it ran fine when he parked it but when he went to start it up again, of course the battery was dead so he installed new one but the eng... |
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| 2014 GMC Sierra 2500 HD SLE 6.6L No Throttle VIN: 1GT120C89E This truck acts like it is in reduced power mode unless you turn the traction control off, then it runs just perfect. All the wheel speed sensors, and brake pedal sensors are reading and there are no codes in any of the modules. Traction control is not active... |
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| 2002 Oldsmobile Silhouette Premiere 3.4L 1-2 Shift VIN: 1GHDX03E12 4T65E Transmission. Operates perfectly when cold. Once it warms up, during the 1-2 shift, the transmission appears to go into neutral and once I let off the accelerator, it will shift into the next gear. If I decrease the duty cycle of the PCS (increase line p... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1999 Chevrolet Cavalier 2.2L Anti-Theft VIN: 1G1JC5243X Thanks for the replies. Tried another switch and cluster to no avail.Pulled Passlock module from running vehicle and installed. Performed relearn and all is good. |
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| 2001 Chevrolet Tahoe 5.3L Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire VIN: 1GNEK13T51 Thanks to everyone that replied! I replaced the already updated pump connector plug with a new one just to be sure. I don't know how else to say it but all of my headaches were caused buy dirty fuel that I didn't notice the first three times I pulled the pump.... Trouble codes: P0300 (Random Misfire), P0171 (Lean B1), P0174 (Lean B2). |
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| 2006 Chevrolet Impala LT 3.5L high beam VIN: 2G1WT58K96 couldn't get it to act up again, we did find white corrosion in the ground wires (both sides) under headlights, and pulled battery cables to clean and reinspect. customer will let us know if problem returns. Thanks for the input, really stinks when you can't d... |
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| 2008 Chevrolet Corvette 6.2L Will not crank intermittently VIN: 1G1YY36W28 Car acted up untill we accessed the modules, has not acted up since. we are going to clean the connectors, add stabilitant and kick it out the door. Thanks for the help |
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