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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for February 23, 2026
International Automotive Technicians' Network (iATN) - Members Only
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2020 Subaru Outback Premium 2.5L MIL Lamp on, Lean VIN: 4S4BTACC1L
Clear codes, start car, after roughly 60 seconds, fuel system goes in closed loop, short term fuel trim steadily creeps up to +34%, then long term fuel trim increases gradually to +35% and and short term will come down to +13.3%. S.E.S. will turn on and co... Trouble codes: P0171 (System Too Lean bank 1)
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Fixes & Summaries for All Makes and Models
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2011 BMW X3 xDrive28i 3.0L no display VIN: 5UXWX5C56B
Thank you all for your replies. An ebay special head unit fixed it.
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