Ford 4.0L Index of Articles

NOTE: This simplified alternator circuit wiring diagram applies only to the 1998, 1999, and 2000 4.0L Ford Ranger. In the next page you'll find the 2001 4.0L Ford Ranger's... [read more]

The throttle position sensor diagnostic test is not difficult nor complicated. You can easily and quickly test it with a multimeter. No scan tool is required. In this... [read more]

This typical circuit diagram of the blower motor and blower resistor circuit applies to the 1998, 1999, 2000 4.0L Ford Ranger and Mazda B4000. More 4.0L Ford Tutorials You... [read more]

In this article, I'll shed some light on how to test and diagnose a Ford (and Mercury) V-6 Ignition Coil Pack. You’ll learn how to test it on the car and without using a... [read more]

Here's a simplified ignition system wiring diagram of the 1992, 1993, 1994 4.0L Ford Explorer and 4.0L Ford Ranger. You'll find part two in the next page. The ignition... [read more]

Testing the Ford Mass Air Flow (MAF) Sensor on all of the Ford, Lincoln and Mercury cars and trucks is a very simple test that can be done without a scan tool. All you need... [read more]

The 1994 4.0L V6 Ford Explorer/Ranger is equipped with the E.E.C IV system and so its computer has 60 pins. Whether you're tracing down an electrical short or testing one... [read more]

Testing the EGR system on your Ford, Mercury, or Lincoln car or truck is a pretty easy affair. You don't need expensive testing equipment to do it and more importantly, with... [read more]

This wiring diagram applies to the 1992, 1993, and 1994 4.0L V6 Ford Explorer and 4.0L V6 Ford Ranger. My intention, in creating this wiring diagram, was to have something... [read more]