Ford 4.0L Index of Articles

How To Test The 4.0L Ford Throttle Position Sensor (TPS)

How To Test The 4.0L Ford  Throttle Position Sensor (TPS)

Troubleshooting and testing the Throttle Position Sensor or Diagnostic Trouble Codes: P0121, P0122, P0123 on your 4.0L V6 Ford Explorer (Ranger, or Mercury Mountaineer or Mazda B4000 or Aerostar) can easily be done in three tests and without a... read more >> (at: easyautodiagnostics.com)

How To Bench Test A Ford Relay

How To Bench Test A Ford Relay

Bench testing the Ford 4 or 5 pin relay is not hard to do at all, and in this article I'll show you how to do it (there are two articles in site about bench testing a Ford Relay, you can find the other here: Bench Testing a Ford Relay -A... read more >> (at: easyautodiagnostics.com)

How To Test The Ford Fuel Pump Relay No Start Troubleshooting (Green Relay)

How To Test The Ford Fuel Pump Relay No Start Troubleshooting  (Green Relay)

Testing the Ford Fuel Pump Relay on the car is not that hard to do. With the help of this ‘How To’ tutorial, I'll show you how to do it using only a Multimeter. You'll be able to find out if the Fuel Pump Relay, or the Fuel Pump Inertia Switch,... read more >> (at: easyautodiagnostics.com)

Bench Testing a Ford Relay (A Step-by-Step Guide)

Bench Testing a Ford Relay  (A Step-by-Step Guide)

Every now and then, the need arises to bench test a Relay to find out if it's really BAD or not. This article will help you to bench test the Ford 20 amp multi-purpose Relay in a step by step fashion (there are two articles in site about bench... read more >> (at: easyautodiagnostics.com)

Testing The Ford EEC Power Relay (Brown Relay)

Testing The Ford EEC Power Relay (Brown Relay)

The EEC Power Relay not only supplies Battery Voltage to the Fuel Injection Computer (also known as the E.E.C. Electronic Control Assembly), but also supplies power to the Fuel Injectors, the Fuel Pump Relay, and a few other emissions related... read more >> (at: easyautodiagnostics.com)