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P0299 Diagnostic Trouble Code Discussion for May 2014

Turbocharger Engine Underboost

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Trouble Ticket Help Requests for DTC P0299
Help Request Posted
2007 Ford F-350 Super Duty XLT 6.0L MIL Lamp on VIN: 1FDWW37P87
P0299: Turbo/Supercharger Under-Boost. ... for code P0299 (turbo under boost). Code resurfaces after about 200 miles of driving, with no customer complaint of loss of engine peformance. EGR valve was replaced last month with the intake plenum being cleaned with seafoam. KOER test was performed and ...
May 09, 2014