Latest Part Smart Tech Sheet: Fault Code P0299 & Under-boost

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This month’s Tech Sheet covers Fault P0299. Under-boost can cause a loss in vehicle performance and an illuminated Orange MIL (Malfunction Indicator lamp) with the P0299 fault code stored. The misdiagnosis of under-boost symptoms leads to the return of turbochargers that have no issues and do not need replacing.

(Note: This issue can apply to many turbocharged vehicles.)

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