16452/P0068/000104

From Ross-Tech Wiki

16452/P0068/000104 - MAP/MAF <-> Throttle Position Correlation

Possible Symptoms

  • Malfunction Indicator Lamp (MIL) active

Possible Causes

  • Mass Air Flow Sensor (G70/MAF) or Intake Manifold Pressure Sensor (G71/MAP) faulty
  • Dirty or faulty throttle body.
  • Vacuum leak.

Possible Solutions

  • Check Mass Air Flow Sensor (G70/MAF) or Intake Manifold Pressure Sensor (G71/MAP)
  • Clean Throttle Body and perform Throttle Body Alignment (TBA).
  • Check intake system for leaks and un-metered air.
    • This includes Intake Manifold Runner(s) and Intake Manifold Runner position sensor(s) when applicable.