P0299 Diagnostic Trouble Code Discussion for November 2025
Turbocharger Engine Underboost
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| Help Request | Posted | |
| 2020 Ford Transit-350 XLT 3.5L Hesitation, MIL Lamp on, boost code p0299 VIN: 1FTBW2CG2L P0299: Turbo Under Boost. ... 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 turbo, but code does not indicate wi... |
November 09, 2025 | |
| 2020 Ford Transit-350 XLT 3.5L Hesitation, MIL Lamp on, boost code p0299 VIN: 1FTBW2CG2L P0299: Turbo Under Boost. ... 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 turbo, but code does not indicate wi... |
November 14, 2025 |
