Ford 3.0L Index of Articles

This typical circuit diagram of the blower motor and blower resistor circuit applies to the 1998, 1999, 2000 3.0L V6 Ford Ranger and Mazda B3000. More 3.0L Ford Ranger... [read more]

In this tutorial, I'll explain how to perform the two different types of compression tests on the Ford Ranger 3.0L V6 engine. The first test is a dry compression test,... [read more]

In this tutorial, I'm gonna' explain how to test the internal heater of oxygen sensor #2 of the 1994 3.0L V6 Ford Ranger (Mazda B3000). Testing the O2 sensor #2's heater... [read more]

This typical circuit diagram of the blower motor and blower resistor circuit applies to the 1995, 1996, and 1997 3.0L Ford Ranger and Mazda B3000. You can find the blower... [read more]

Even though the 1994 3.0L V6 Ford Ranger (Mazda B3000) is OBD 1 equipped, it comes equipped with 2 heated oxygen sensors. In this tutorial, I'll explain how to make sure... [read more]

This typical circuit diagram of the fuel pump, fuel pump relay, and inertia switch circuits applies only to the 1993, and 1994 3.0L Ford Ranger and 1994 Mazda... [read more]

This typical circuit diagram of the oxygen sensors applies to the 1994 3.0L V6 Ford Ranger and 1994 3.0L V6 Mazda B3000. Sensor #1 measure the oxygen content of the exhaust... [read more]

If you suspect that the blower resistor has failed on your 1992, 1993, or 1994 3.0L Ford Ranger (or 1994 Mazda B3000), then this is the tutorial you need to find out if it's... [read more]

Troubleshooting a misfire (or a rough idle condition), can seem like a very hard thing to do on the 1995-2008 3.0L V6 Ford Ranger (Mazda B3000). I can tell you from... [read more]