Skip to content
sherlockparts

P0299: what does this code mean?

Insufficient boost (turbo)

Parts to check, to be confirmed by diagnosis

  1. Air intake hoseSearch for my vehicle
  2. Turbo solenoid valveSearch for my vehicle
  3. TurbochargerSearch for my vehicle
  4. Boost pressure sensorSearch for my vehicle

Good to know: Start with a cracked or disconnected turbo hose and the intercooler, then the variable geometry control, then the turbo.

A code points to a circuit or a function, not a part number: confirm by diagnosis before ordering.

Another code

All codes explained →