Spark plug indexing won't make much of a difference in your average stock car, but it can have a noticeable impact in ...

Spark plugs are essential for cars with internal combustion engines. However, they can seize up and get stuck. Here's how to ...

The Ford 5.4L Triton three-valve engine is a great powerplant and comes from the factory with Motorcraft platinum tipped spark plugs rated to last 100K miles. However, if you’ve blindly attempted to ...

Misfiring, rough idling, poor acceleration, and decreased fuel efficiency — the four ominous horsemen of bad spark plugs. Nobody wants to ever get to that point before desperately changing such a ...

In the early '70s, Mopar changed the concept of a tune-up with the introduction of the breakerless, capacitor-discharged ignition system. Thus began the evolution of electronic engine controls. since ...

An internal combustion engine needs three things to get going: Air, fuel, and spark. The throttle body and intake plenum feed air, while injectors spray the right fuel mix into the combustion chamber.

If you are the owner of a Ford truck with a three-valve (3V) modular V-8 or V-10 engine built from 2004 thru 2007, you have either faced the misery of broken spark plugs-or you will. The Ford 4.6L, ...