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Home >> Lincoln >> 2012 >> Navigator RWD >> Repair and Diagnosis >> Engine Mechanical >> Starter >> Starting System >> Diagnosis And Testing >> Starting System >> Symptom Chart

Symptom Chart

SYMPTOM CHART

Condition Possible Sources Action
  • The engine does not crank
  • Anti-theft system
  • Battery
  • Fuse(s)
  • Ignition switch
  • PCM
  • Starter motor
  • Starter relay
  • Transmission Range (TR) sensor
  • Wiring, terminals or connectors
  • The engine cranks slowly
  • Battery
  • Starter motor
  • Wiring, terminals or connectors
  • Unusual starter noise
  • Flexplate ring gear
  • Incorrect starter drive engagement
  • Starter motor mounting
  • Starter motor mounting bolts
  • Starter motor drive
  • Starter motor
  • The starter spins but the engine does not crank
  • Starter motor
  • INSPECT the starter motor mounting and engagement. REPAIR as necessary.
  • Damaged flywheel teeth
  • INSPECT the flywheel for damaged, missing or worn teeth. REPAIR as necessary.