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Home >> Ford >> 2010 >> Explorer 4.0 E, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1410 (Starting System) >> Diagnostic Tests >> Starting System >> Symptom Chart

Symptom Chart

WARNING: This page is about a different car, the 2009 Mercury Mountaineer, 2009 Ford Explorer Sport Trac, and 2009 Ford Explorer. However, it is still accessible from the selected car via links, so may be relevant.
Symptom Chart

Condition Possible Sources Action
  • The engine does not crank/the relay does/does not click
  • Battery
  • Starter motor
  • Starter motor relay
  • Start diode
  • Ignition switch
  • Fuse
  • Anti-theft system
  • Circuitry
  • PCM
  • One-touch integrated start (OTIS) does not operate correctly
  • Circuitry
  • PCM
  • The engine cranks slowly
  • Battery
  • Starter motor
  • Circuitry
  • CARRY OUT the Starter Motor - Voltage Drop Test Component Test.
  • Unusual starter noise
  • Starter mounting
  • Flywheel/ring gear
  • Starter motor
  • The starter spins but the engine does not crank
  • Starter motor
  • INSPECT the starter motor mounting and engagement. INSTALL a new starter motor.
 
  • Damaged flywheel/ring gear teeth
  • INSPECT the flywheel/ring gear for damaged, missing or worn teeth. REPAIR as required.