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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 P0201: Injector Circuit/Open - Cylinder 1

DTC P0201: Injector Circuit/Open - Cylinder 1

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P0201 - INJECTOR CIRCUIT/OPEN - CYLINDER 1

Description:  The comprehensive component monitor (CCM) monitors the operation of the fuel injector drivers in the powertrain control module (PCM). The test fails when the fuel injector circuitry is inoperative.
Possible Causes: 
  • Open or shorted fuel injector driver circuit
Diagnostic Aids:  PID Data Monitor INJ1F fault flags = YES.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to PINPOINT TEST KG .