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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for January 6, 2024
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Open Help Requests for All Makes and Models
Help Request Answers
2003 Hyundai Accent GL 1.6L MIL Lamp on VIN: KMHCF35C43
Hello group, we have this old Accent here,strange problem. engine will start and run good for a couple of minutes, then you can feel a small misfire, seems like several cylinders, fuel trims will go to -25 occasionally. On test drive engine runs strong, no...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2012 Chevrolet Colorado LT 3.7L Odometer VIN: 1GCDSCFE5C
Thanks for the help. The right answer was to send both the bcm and ipc out and have them reset. There is no way to set mileage on the replacement bcm. This was a used truck from an auction so who knows what was done in the past.
2015 GMC Terrain SLE 2.4L Negative Fuel Trims VIN: 2GKALMEK9F
I swapped the high-pressure fuel pump off my personal 2012 Terrain. Replacing the fuel pump resolved the issue. STFT is now +- 2 and LTFT is -2. A far cry from the -40 before. Trouble codes: P0138 (HO2S Delayed Response Rich to Lean Sensor 2. Test Failed), P013E, P0140 (HO2S Circuit Insufficient Activity Sensor 2 Sympton 00 Test Failed Warning Indicator Requested).
2019 Subaru Ascent 2.4L MIL Lamp on VIN: 4S4WMARD2K
So far so good. After doing an EPR service with BG car has not acted up. Thanks for all the help guys. Trouble codes: P0011.
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