DTC P0299: Turbocharger/Supercharger A UNDERBOOST Condition
WARNING: This page does not describe the selected car, but rather 25 other vehicles, including the 2012 Lincoln Navigator L, 2012 Lincoln Navigator, 2012 Lincoln MKZ, 2012 Lincoln MKX, and 2012 Lincoln MKT. However, it is still accessible from the selected car via links, so may be relevant.
P0299 - TURBOCHARGER/SUPERCHARGER A UNDERBOOST CONDITION
| Description: This DTC sets when the actual throttle intake pressure is less than the desired throttle intake pressure by 27.6 kPa (4 psi) or more for 5 seconds. A minimum throttle intake pressure (TIP) PID reading during engine operation indicates an underboost condition. | |||
Possible Causes:
|
|||
| Diagnostic Aids: Check tubing for obstructions, cracks and incorrect fitting connections. Check the turbocharger wastegate regulating valve solenoid for correct operation. | |||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to PINPOINT TEST HN . | ||