Misc Index

It's a very common problem for the insulation of the wires of the intake air temperature sensor (IAT sensor) to get damaged and peel off. This happens not only with the... [read more]

If you performed an engine compression test and one or more values were lower than the rest, then there's a good chance that those cylinders are causing a rough idle or a... [read more]

This mass air flow (MAF) sensor belongs to an 2002 Ford Ranger. The hot wire has a fly stuck to it, and the Air Temperature Resistor is fuzzed up with dirt. This dirty... [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]

Crankshaft Position (CKP) sensors and Camshaft Positions (CMP) sensors used on cars and trucks today come in all sorts of different shapes, sizes and configurations. All... [read more]

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... [read more]

A digital multimeter is one of the most important diagnostic tools that you'll need to troubleshoot and diagnose any of the many electrical and electronic components in you... [read more]

Generally speaking, the distributor-less type ignition system can be divided into two basic categories: Coil-On-Plug. This type of setup has an individual ignition coil... [read more]

This tutorial will help you to diagnose the Vane Air Flow (VAF) Sensor on the 1988, 1989, 1990, 1991, and 1992 2.2L Mazda 626 (with or without turbo). NOTE: This tutorial... [read more]

Coil-On-Plug (COP) ignition systems are becoming the standard ignition system on most makes. Knowing how they work and especially how to test them has become a must for... [read more]