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Prev Professional Automotive Repair Technical Discussions for November 14, 2025
International Automotive Technicians' Network (iATN) - Members Only
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2020 Ford Transit-350 XLT 3.5L Hesitation, MIL Lamp on, boost code p0299 VIN: 1FTBW2CG2L
Runs great at Idle. While driving will initially get good boost reading from gauge. Then drops and send a P0299 under boost code. Checked all the obvious related issues with leaks, hoses, wastegate, blow off valve, etc. Leaning towards a bad replacement tu... Trouble codes: P0299 (Turbo Under Boost)
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2021 Ford F-350 Super Duty XL 7.3L Surge, MIL Lamp on VIN: 1FDRF3HN1N
Hello, and thanks in advance for any insight you might be able to provide. This 2022 f350(not sure why the vin did not match) came in with p0171/p0174. Long term fuel trims at 29% on both banks. Short term fuel trims roughly 8% at idle, varying with drivin... Trouble codes: P0171, P0174
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