Ford 4.0L Index of Articles

Fuel Pump Circuit Wiring Diagram (1998-2001 4.0L Ford Explorer)

Fuel Pump Circuit Wiring Diagram (1998-2001 4.0L Ford Explorer)

APPLIES TO: This fuel pump circuit wiring diagram applies to the following vehicles: 1998, 1999, 2000, 2001 4.0L (OHV) Ford Explorer. 1998, 1999, 2000, 2001 4.0L (SOHC) Ford Explorer. The wiring diagram includes the following...   read more >>

Fuel Pump Circuit Wiring Diagram (1997 4.0L Ford Explorer)

Fuel Pump Circuit Wiring Diagram (1997 4.0L Ford Explorer)

APPLIES TO: This fuel pump circuit wiring diagram applies to the following vehicles: 1997 4.0L (OHV) Ford Explorer. 1997 4.0L (SOHC) Ford Explorer. The wiring diagram includes the following circuits: PCM Power Relay. Fuel...   read more >>

How To Test A Misfire Problem (Ford 4.0L V6)

How To Test A Misfire Problem (Ford 4.0L V6)

One of the most common problems you're gonna' experience on your 4.0L equipped Ford is a misfire condition causing one or more of the following misfire codes: P0300, P0301, P0302, P0303, P0304, P0305, and/or P0306. Although quite a few things...   read more >>

Fuel Pump Circuit Wiring Diagram (1996 4.0L Ford Explorer)

Fuel Pump Circuit Wiring Diagram (1996 4.0L Ford Explorer)

APPLIES TO: This fuel pump circuit wiring diagram applies to the following vehicles: 1996 4.0L Ford Explorer. The wiring diagram includes the following circuits: PCM Power Relay. Fuel Pump Relay. Fuel Pump Inertia...   read more >>

How To Test The Blower Motor Switch (Ford 4.0L)

How To Test The Blower Motor Switch (Ford 4.0L)

Troubleshooting the blower switch on your Ford Explorer's A/C Heater control panel isn't hard. All you need is a multimeter and to know what blower switch terminals should have continuity when you turn the knob to the various speeds (on the...   read more >>

Fuel Pump Circuit Wiring Diagram (1995 4.0L Ford Explorer)

Fuel Pump Circuit Wiring Diagram (1995 4.0L Ford Explorer)

APPLIES TO: This fuel pump circuit wiring diagram applies to the following vehicles: 1995 4.0L Ford Explorer. The wiring diagram includes the following circuits: PCM Power Relay. Fuel Pump Relay. Fuel Pump Inertia...   read more >>

How To Test The Blower Motor Resistor (Ford 4.0L)

How To Test The Blower Motor Resistor (Ford 4.0L)

If the blower motor only runs in HI or one of the blower speeds is not working, then there's a good chance that the blower motor resistor assembly is bad. Thankfully, the blower motor resistor on your Ford Explorer (Ranger, Mercury Mountaineer)...   read more >>

Fuel Pump Circuit Wiring Diagram (1993-1994 4.0L Ford Explorer)

Fuel Pump Circuit Wiring Diagram (1993-1994 4.0L Ford Explorer)

APPLIES TO: This fuel pump circuit wiring diagram applies to the following vehicles: 1993, 1994 4.0L Ford Explorer. The wiring diagram includes the following circuits: PCM Power Relay. Fuel Pump Relay. Fuel Pump Inertia...   read more >>

How To Test The A/C Heater Blower Motor (Ford 4.0L)

How To Test The A/C Heater Blower Motor (Ford 4.0L)

Your Ford Explorer's (Aerostar, Ranger, B4000, Mountaineer, Mountaineer) blower motor is a simple 2-wire component that can be easily tested by manually applying battery power and Ground to it. If your 4.0L Ford Explorer (Aerostar, Ranger,...   read more >>

How To Test The TPS (1997-2001 4.0L SOHC Ford Explorer)

How To Test The TPS (1997-2001 4.0L SOHC Ford Explorer)

In this tutorial I'm gonna' explain how to test the throttle position sensor (TPS) with a multimeter. This is a very easy test and what makes it so is that the TPS is very accessible. You'll be able to find out if the TPS is bad or not in 3...   read more >>