Ford 4.6L, 5.4L Index of Articles

How to Test the Starter Motor (Ford 4.6L, 5.4L)

How to Test the Starter Motor (Ford 4.6L, 5.4L)

This is a simple guide that will help you to troubleshoot a BAD starter motor on your 4.6L or 5.4L V8 equipped car, pick up or SUV. This is an On-Car starter motor test that you'll be able to easily accomplish with some basic tools. To see if...   read more >>

How to Test the Fuel Injectors (Ford 4.6L, 5.4L)

How to Test the Fuel Injectors (Ford 4.6L, 5.4L)

Your Ford (or Mercury) 4.6L or 5.4L equipped vehicle has 8 fuel injectors and when one or more go BAD, they will cause a rough idle / misfire condition that will set the dreaded misfire codes: P0300, P0301, P0302, P303, P0304, P0305, P0306, P0307,...   read more >>

How to Test the Ford 4.6L, 5.4L Coil-on-Plug Ignition Coils

How to Test the Ford 4.6L, 5.4L Coil-on-Plug Ignition Coils

If you've been wondering how to test the Coil-on-Plug Ignition Coils on your Ford car or truck (with a 4.6L or 5.4L V8) to see if one or several are BAD and are causing a Misfire... this is the article for you. As is the custom here at... read more >> (at: easyautodiagnostics.com)

How to Use a Noid Light (Ford 4.6L, 5.4L)

How to Use a Noid Light (Ford 4.6L, 5.4L)

There are 8 fuel injectors on your 4.6L or 5.4L Ford (or Mercury or Lincoln) vehicle and they ALL need to be spraying fuel into their respective cylinders. Every now and then, one or more fuel injectors won't because they are not either getting...   read more >>

How to Clean the Ford MAF Sensor (Ford 4.2L, 4.6L, 5.4L)

How to Clean the Ford MAF Sensor (Ford 4.2L, 4.6L, 5.4L)

Cleaning the Ford MAF Sensor (the type that’s inside the round Air Filter canister) is simple and easy. You don’t even have to take it out of the Air Filter canister to do it! This article will show you how. This article only deals with cleaning... read more >> (at: easyautodiagnostics.com)

How to Test Engine Compression (Ford 4.6L, 5.4L)

How to Test Engine Compression (Ford 4.6L, 5.4L)

One of the most over-looked tests, when troubleshooting a hard to solve misfire, is the engine compression test. Over the years, I've run across many situations where the customer (or another tech or mechanic) just about replaced everything on...   read more >>

How to Test the Ford MAF Sensor (4.2L, 4.6L, 5.4L)

How to Test the Ford MAF Sensor (4.2L, 4.6L, 5.4L)

Testing the MAF (Mass Air Flow) Sensor on your Ford truck or SUV or full size Van is a very simple and easy affair. This article will walk you through the whole process without removing the MAF Sensor from the engine. As you may already know...... read more >> (at: easyautodiagnostics.com)

Troubleshooting a Blown Head Gasket (Ford 4.6L, 5.4L)

Troubleshooting a Blown Head Gasket (Ford 4.6L, 5.4L)

Finding out if your Ford 4.6L or 5.4L car (pick up, SUV, or van) has a blown head gasket is not hard do to and in this article I'll show you four of the most effective tests that you can do to find out. Two of these four tests, can be done in...   read more >>

F150 No Start Due to Voltage Drop (Case Study)

F150 No Start  Due to Voltage Drop (Case Study)

Knowing how to perform a voltage drop test is an important skill to have. It's a test that isn't difficult to perform and that gives a YES or NO answer (YES, the problem is this circuit or NO, keep looking). Let me give you a real world example... read more >> (at: easyautodiagnostics.com)

How to Test the Thermostat (Ford 4.6L, 5.4L)

How to Test the Thermostat (Ford 4.6L, 5.4L)

In this article, I'll show you how to test the thermostat in your Ford 4.6L or 5.4L pick up (van or SUV). As you might already be aware, a BAD thermostat will cause one of two different conditions, either it will cause your Ford pick up (van or...   read more >>