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Home >> Ford >> 2000 >> Taurus LX, 3.0 2, AX4N >> Repair and Diagnosis >> External Pages >> Different car >> Section 1025 (Engine Controls - Powertrain DTC Charts And Descriptions - (Hybrid)) >> DTC Diagnosis >> P0301 - Cylinder 1 Misfire Detected

P0301 - Cylinder 1 Misfire Detected

WARNING: This page is about a different car, the 2007 Mercury Mariner and 2007 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.
P0301 - CYLINDER 1 MISFIRE DETECTED

Description:  The misfire detection monitor is designed to monitor engine misfire and identify the specific cylinder in which the misfire has occurred. Misfire is defined as lack of combustion in a cylinder due to absence of spark, poor fuel metering, poor compression, or any other cause.
Possible Causes: 
  • Ignition system
  • Fuel injectors
  • Running out of fuel
  • Fuel pressure
  • Base engine
  • Stuck open EGR valve
  • Blocked EGR passages
Diagnostic Aids:  The malfunction indicator lamp (MIL) blinks once per second when a misfire severe enough to cause catalyst damage is detected. If the MIL is on steady state due to a misfire, this indicates the threshold for emissions was exceeded and caused the vehicle to fail an inspection and maintenance tailpipe test.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All   - refer to PINPOINT TEST HD . refer to PINPOINT TEST HD .