F 250 4WD LD Pickup V8-281 4.6L VIN W EFI (1997)
P1890 - P1894: Testing and Inspection
For diagnosis of P1891 refer to either pinpoint test
ESOF - Electronic Shift on the Fly
Pinpoint Test A, See: Transmission and Drivetrain/Transfer Case/Testing and Inspection/Pinpoint Tests/Electronic Shift on the Fly (ESOF)/A:
Vehicle Doesn't Shift Between 2WD and 4WD Modes
Pinpoint Test B, See: Transmission and Drivetrain/Transfer Case/Testing and Inspection/Pinpoint Tests/Electronic Shift on the Fly (ESOF)/B:
Vehicle Doesn't Shift Between 4WD Hi and 4WD Low Modes
