LEMON Manuals: Even more car manuals for everyone
Home >> Mercury >> 2009 >> Sable Premier, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1255 (Engine Controls - Powertrain DTC Charts & Descriptions (Except Diesel & Hybrid)) >> DTC Diagnosis >> DTC P1001: - Key On Engine Running (KOER) Not Able To Complete, KOER Aborted

DTC P1001: - Key On Engine Running (KOER) Not Able To Complete, KOER Aborted

WARNING: This page does not describe the selected car, but rather 32 other vehicles, including the 2009 Mercury Mountaineer, 2009 Mercury Milan, 2009 Mercury Mariner, 2009 Mercury Grand Marquis, and 2009 Lincoln Town Car. However, it is still accessible from the selected car via links, so may be relevant.
DTC P1001: - KEY ON ENGINE RUNNING (KOER) NOT ABLE TO COMPLETE, KOER ABORTED

Description:  This non-malfunction indicator lamp (MIL) DTC is set when the KOER self-test does not complete in the time allowed.
Possible Causes: 
  • Incorrect self-test procedure
  • Unexpected response from the self-test monitors
  • RPM out of specification
Diagnostic Aids:  Carry out the KOEO self-test.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All Refer to the Description, Possible Causes and Diagnostic Aids for the DTC.