Pinpoint Test B: The Engine Cranks Slowly
WARNING: This page is about a different car, the 2012 Ford Pickup, 2012 Ford F550 Super Duty, 2012 Ford F450 Super Duty, and 2012 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
- B1 CHECK THE BATTERY
- Check the battery condition and charge. Refer to BATTERY, MOUNTING AND CABLES .
- Is the battery OK?
- Yes : GO to B2.
- No : CHARGE or INSTALL a new battery as required. TEST the system for normal operation.
- B2 CHECK THE VOLTAGE TO THE STARTER MOTOR
- Ignition OFF.
- Measure the voltage between starter motor solenoid positive terminal and ground.
- Is the voltage 10 volts or greater?
- Yes : GO to B3.
- No : REPAIR circuit SDC02 (RD). CLEAN and TIGHTEN the connections at the battery terminals. TEST the system for normal operation.
- B3 CHECK MOTOR GROUND CIRCUIT
- Carry out the Motor Ground Circuit Test. Refer to the COMPONENT TESTS .
- Is the ground OK?
- Yes : INSTALL a new starter motor. REFER to STARTER MOTOR . TEST the system for normal operation.
- No : REPAIR the ground circuit as necessary. TEST the system for normal operation.