Ford 4.6L, 5.4L Index of Articles

This typical ignition system circuit diagram applies only to the 1997, 1997, and 1999 4.6L V8 Ford F150 and F250 only. Includes: ignition coil packs, CKP sensor, and CAM... [read more]

If your 1997-1998 Ford F150 (F250 or Expedition) is currently experiencing a 'no dash lights' problem, then this tutorial will help. Although this tutorial focuses on... [read more]

If the alternator has failed on your 4.6L Ford F150, then this is the tutorial you need to test it. The alternator diagnostic test is not hard and the best part is that... [read more]

Location and descriptions of the fuses and relays of the under-dash fuse box for 1997-1998 Ford F150, F250 and Expedition. The under-dash fuse/relay box is commonly... [read more]

Testing the fuel injectors on your Ford F 150 with a 4.6L engine is not hard. If you have a multimeter, this tutorial will help you to find out if any one of those 8 fuel... [read more]

Location and descriptions of the fuses and relays of the under-hood fuse box for 1997-1998 Ford F150, F250 and Expedition. The under-hood fuse/relay box is known as the... [read more]

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... [read more]

If the park-lamps are not coming on when you turn the headlights on (on your 1997-1998 F150, F250, or Expedition), then this is the tutorial you need to troubleshoot the... [read more]

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... [read more]

In this tutorial, I'm gonna' explain how to test the low-beam circuit of the headlight switch. So, if your 1997-1998 Ford F150 (F250, and Expedition) has a ‘no... [read more]