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HOMESERVICE MANUALSFORD1993PICKUP F250, 2D PICKUP, 5.0 N, STANDARD, M5OD-R2REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 38 (ANTI-LOCK)DIAGNOSISTROUBLE CODESCODE 3 (OPEN DUMP CIRCUIT)
1993 Ford Pickup F250, 2D Pickup, 5.0 N, Standard, M5OD-R2

Code 3 (Open Dump Circuit)

1993 Ford Pickup F250, 2D Pickup, 5.0 N, Standard, M5OD-R2SECTION Code 3 (Open Dump Circuit)
WARNING: This page does not describe the selected car, but rather 30 other vehicles, including the 1992 Ford Ranger, 1992 Ford RV Cutaway, 1992 Ford Pickup, 1992 Ford Explorer, and 1992 Ford Econoline. However, it is still accessible from the selected car via links, so may be relevant.
  1. Turn ignition off. Disconnect battery. Unplug control module connector. Measure resistance between pin No. 8 or 14 and ground on valve side. See Figure . If resistance is less than 3 ohms, replace control module. If resistance is 3 ohms or more, reconnect module connector.
  2. Unplug electro-hydraulic valve connector. Measure resistance between dump solenoid pin and ground pin on valve side. If resistance is less than 3 ohms, repair open between dump valve connector and control module. If resistance is 3 ohms or more, replace electro-hydraulic valve.
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.