Ford 3.0L Index of Articles

Alternator Circuit Diagram (1998-2001 3.0L Ford Ranger)

Alternator Circuit Diagram (1998-2001 3.0L Ford Ranger)

NOTE: This simplified alternator circuit wiring diagram applies only to the 1998, 1999, and 2000 3.0L Ford Ranger. In the next page you'll find the 2001 3.0L Ford Ranger's alternator circuit diagram. CIRCUIT DIAGRAM 1: 2001 3.0L...   read more >>

Blower Motor Circuit Diagram (1998-2000 3.0L Ford Ranger)

Blower Motor Circuit Diagram (1998-2000 3.0L Ford Ranger)

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 Tutorials You can find a complete list of 3.0L Ford Ranger tutorials in...   read more >>

How To Test The Engine Compression (1995-2008 3.0L Ford Ranger)

How To Test The Engine Compression (1995-2008 3.0L Ford Ranger)

In this tutorial I'm gonna' explain how to do the 2 different types of compression test on the Ford Ranger's 3.0L V6 engine. The first test is a dry compression test. This test is designed to find the ‘dead’ cylinder or...   read more >>

O2 Sensor #2 Heater Element Test (1994 3.0L Ford Ranger And Mazda B3000)

O2 Sensor #2 Heater Element Test (1994 3.0L Ford Ranger And Mazda B3000)

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 element involves checking for power, Ground and the internal resistance of...   read more >>

Blower Motor Circuit Diagram (1995-1997 3.0L Ford Ranger)

Blower Motor Circuit Diagram (1995-1997 3.0L Ford Ranger)

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 motor test here: How To Test The Blower Motor (1995-1997 3.0L Ford...   read more >>

O2 Sensor #1 Heater Element Test (1994 3.0L Ford Ranger And Mazda B3000)

O2 Sensor #1 Heater Element Test (1994 3.0L Ford Ranger And Mazda B3000)

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 that the O2 sensor #1 (which is the O2 sensor for Bank 1) is getting power...   read more >>

1993-1994 3.0L V6 Ranger Fuel Pump Circuit Diagram

1993-1994 3.0L V6 Ranger Fuel Pump Circuit Diagram

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 B3000. Location Of The Fuel Pump And EEC Power...   read more >>

Oxygen Sensor Circuit Diagram (1994 3.0L Ford Ranger And Mazda B3000)

Oxygen Sensor Circuit Diagram (1994 3.0L Ford Ranger And Mazda B3000)

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 of engine cylinders 1, 2, and 3 (bank 1). Sensor #2 measures the exhaust...   read more >>

How To Test The Blower Motor Resistor (1992-1994 3.0L Ranger)

How To Test The Blower Motor Resistor (1992-1994 3.0L Ranger)

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 defective or not. Testing the blower resistor involves testing its...   read more >>

How To Test A Misfire Condition (1995-2008 3.0L Ford Ranger And Mazda B3000)

How To Test A Misfire Condition (1995-2008 3.0L Ford Ranger And Mazda B3000)

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 personal experience that it really isn't that hard. In a nutshell, all that's...   read more >>