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Symptom Chart: Starting System

Diagnostics in this service information assume a certain skill level and knowledge of Ford-specific diagnostic practices. REFER to: Diagnostic Methods .

Symptom Chart 

Condition Possible Sources Actions
The engine does not crank -- without Push-button Start Refer to the Pinpoint Test. GO to Pinpoint Test B 
The engine does not crank -- with Push-button Start Refer to the Pinpoint Test. GO to Pinpoint Test C 
The engine cranks slowly Refer to the Pinpoint Test. PERFORM the starter system component test. REFER to Starter Motor - Positive Circuit Test  .
The engine cranks but will not start Fuses
PCM
Fuel pump
Fuel pump relay
Run/start relay
Starter
Wiring
Refer to Engine Controls - Symptom Charts (Except Diesel & Hybrid)
Unusual starter noise Refer to the Pinpoint Test. GO to Pinpoint Test D 
The starter spins but the engine does not crank Starter motor INSPECT the starter motor mounting and engagement. REPAIR as necessary.
Damaged flexplate INSPECT the flexplate for damaged, missing or worn teeth. REPAIR as necessary.
The starter does not disengage from the flexplate Starter relay
Wiring, terminals or connectors
REMOVE the starter relay. If the engine stops cranking, INSTALL a new relay. If the engine continues to crank, REPAIR circuit CDC35 (BU/WH) for a short to voltage.
The remote start is inoperative Remote start feature not enabled
Passive Key
Hood switch input
PCM
Wiring, terminals or connectors
REFER to: Locks, Latches and Entry Systems .
The remote start has poor range performance Passive Key or battery
After market systems
High power devices
TV/radio transmission towers
RTM
Diagnose The RKE Transmitter Has Poor Range Performance, REFER to: Locks, Latches and Entry Systems .