Symptom Chart
Diagnostics in this service information assume a certain skill level and knowledge of Ford-specific diagnostic practices. REFER to: Diagnostic Methods .
| Condition | Actions |
|---|---|
| Loss of coolant | GO to Pinpoint Test A |
| The engine overheats. | GO to Pinpoint Test B |
| The engine does not reach normal operating temperature. | GO to Pinpoint Test C |
| The block heater does not operate correctly. (if equipped) | CHECK continuity in all 3 power cable circuits. If any circuit measures more than 5 ohms, INSTALL a new power cable. CHECK the resistance of the block heater. If the resistance does not measure between 30 and 40 ohms, INSTALL a new block heater. REFER to: Block Heater . |
| The electric cooling fan is inoperative in one or more speeds or does not operate correctly. | REFER to: Cooling Fan Control . |
| The electric cooling fan stays on all the time. | REFER to: Cooling Fan Control . |
| Auxiliary coolant pump failure | GO to Pinpoint Test E |