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Home >> Mercury >> 2009 >> Mariner Base, 2.5 7, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 7 (Engine Controls - Powertrain DTC Charts & Descriptions - (Hybrid)) >> Diagnostic Trouble Code (DTC) Charts and Descriptions >> DTC P2128: Throttle/Pedal Position Sensor/Switch E Circuit High

DTC P2128: Throttle/Pedal Position Sensor/Switch E Circuit High

WARNING: This page is about a different variant/trim than selected.
P2128 - THROTTLE/PEDAL POSITION SENSOR/SWITCH E CIRCUIT HIGH

Description:  The accelerator pedal position (APP) sensor 2 is out of self-test range high.
Possible Causes: 
  • APP sensor assembly is binding
  • APP sensor harness is short to voltage
  • Damaged APP sensor
Diagnostic Aids:  An APP2 sensor PID reading may indicate a concern.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to PINPOINT TEST DK .