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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for December 15, 2019
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 All Makes and Models
Help Request Answers
1997 Chevrolet Tahoe LS 5.7L No Start VIN: 1GNEK13RXV
This is my shop truck that pushes snow and dead vehicles into the shop. It has a no start condition with no codes. It cranks over and will try to fire up when cold for a couple of seconds and continue to crank over with no fire. But when you release the ke...
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2003 Ford F-350 Super Duty XLT 6.0L low power/boost
This is my personal diesel. I have never been this deep into a diesel engine. I just did the above work to bulletproof it for the long haul. It will idle all day long, turbo will whistle. MAP pretty much stays at 14. Sometimes it will dip to 13 when I firs... Trouble codes: P132B
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2004 GMC Canyon SLE 3.5L Poor Idle Quality, Stall, Misfire, MIL Lamp on VIN: 1GTDT13644
Truck came in running rough. Code P0300 engine misfire, watch misfire data and cylinders #4 & 5 are constantly misfiring. Checked fuel pressure, 62psi. Swapped plugs and coils from 2 & 3 to 4 & 5, miss stays on 4 & 5. Checked compression on 3, 4, & 5, all ... Trouble codes: P0300 (engine misfire)
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Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2010 Chevrolet Equinox LT 2.4L Rdcm VIN: 2CNFLNEW4A
After determining all the communication lines were working correctly. We noticed that the enable feed to wake up the module was only showing 8 volts . Finally traced the wire to the left front driver compartment under the carpet . There is a plastic conduit th...
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2003 GMC Sierra 3500 SLE 6.6L Cuts out VIN: 1GTJK33163
Thanks to everyone for their help and time I have used a vantage scope and scoped powers and grounds at the FICM and all looked good. Those T pins that Glenn mentioned worked good for back probing connectors. Also scoped cam and crank sensors checked power a...
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2004 Lexus ES330 3.3L heat VIN: JTHBA30G94
This one is fixed. Bill and Adrian got me going with performing the self diagnostic mode. There was a code stored for the R blend air door motor. Upon visual inspection of the L and R motors I noticed when you changed the temp on both sides( going up 1 degree ...
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2010 Mercedes-Benz C300 4Matic Luxury 3.0L Safety VIN: WDDGF8BB4A
I'm calling this one sorta fixed. The owner is happy to leave the car alone for now. They have had no issues with the car after unplugging the leads from the rear SAM to the Prefuse module. They don't feel the need to throw any more money at this problem. I do...
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2017 Toyota Camry LE 2.5L Poor Idle Quality, MIL Lamp on VIN: 4T1B11HK9J
Thanks to everyone specially to Brian [...] ended was the purge stuck open , it never set a code for purge . really a strange behave for a purge stuck open. pcm should be able to compensate for lean condition to keep engine running.but not. thank you all. Trouble codes: P0171 (Lean), P117B.
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