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P0299 Diagnostic Trouble Code Discussion for November 2008

Turbocharger Engine Underboost

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Trouble Ticket Help Requests for DTC P0299
Help Request Posted
2004 Audi A4 1.8L Hesitation, MIL Lamp on VIN: WAULC68E73
P0299: turbo underboost. Came in for failed inspection due to MIL. Diagnostic charts point to lekas in air induction, but none found. Had a broken oil dip stick tube, we plugged it off and the boost pressure came up and vehicle ran better, but still reset code. Any help with this rare...
November 20, 2008