Symptom Chart: Starting System
Diagnostics in this article assume a certain skill level and knowledge of Ford-specific diagnostic practices. REFER to: Diagnostic Methods .
| Condition | Possible Sources | Actions |
|---|---|---|
| The engine does not crank | Refer to the Pinpoint Test. | GO to Pinpoint Test A |
| 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 Starter Wiring |
Refer to Engine Controls - Introduction (Except Diesel & Hybrid) . |
| Unusual starter noise | Refer to the Pinpoint Test. | GO to Pinpoint Test B |
| The starter spins but the engine does not crank | Starter motor | INSPECT the starter motor mounting and engagement. REPAIR as necessary. REFER to: Starter Motor Drive Gear and Flywheel Ring Gear Inspection . |
| Damaged flexplate | INSPECT the flexplate for damaged, missing or worn teeth. REPAIR as necessary. REFER to: Starter Motor Drive Gear and Flywheel Ring Gear Inspection . | |
| 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. |