DTC P1514: Airflow Rate Excessive: Description
WARNING: This page is about a different car, the 2002 Oldsmobile Bravada, 2002 GMC Envoy XL, 2002 GMC Envoy, and 2002 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
The Powertrain Control Module (PCM) uses the following information in order to calculate an expected airflow rate:
- The Throttle Position (TP).
- The Barometric (BARO) pressure.
- The Intake Air Temperature (IAT).
- The engine RPM.