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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for February 9, 2021
International Automotive Technicians' Network (iATN) - Members Only
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Open Help Requests for GM
Help Request Answers
2012 Chevrolet Colorado LT 3.7L Low Oil pressure VIN: 1GCHTCFE1C
This 2012 Colorado 3.7 came in with the complaint of low oil pressure at hot idle. It was also noisy at hot idle and had code P017, and P014 (like another Colorado 3.7 we have here) The oil wasn't clean (not bad but not like new and seems like a heavy oil)...

Fixes & Summaries for GM
Fix/Summary Answers
2015 Buick Encore Premium 1.4L Poor Idle Quality, Stall, Hard start VIN: KL4CJHSB6F
Thank you, gentleman for the thoughtful responses. The winning tip goes to Glenn. This actually became the second vehicle this week with this concern. Similar models and engine packages. Both had recently fueled at the same low grade, cut rate convenience ... Trouble codes: P0171 (System lean Bank 1).
2003 Chevrolet C4500 Kodiak C4C042 8.1L abs module VIN: 1GBE4E1E63
Thanks for the input tracing wires i found one twelve volt feed had 7 volts opened harness found were someone had probed wire and never sealed it road salt and corrosion did the rest repaired wiring and shrinkwrapped all good
2012 Chevrolet Colorado LT 3.7L p0017 VIN: 1GCHTDFE1C
I am very thankful to the IATN techs who offered help on this one. It turns out that the engine has low oil pressure when hot at idle, and I noticed that the P017 code would set ONLY when the engine was hot, at idle and it was already a very low idle. That ...
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