Most fuel additives aren’t formulated to provide immediate results. AMSOIL P.i., however, is a potent fuel-injector cleaner proven to work after one use.
Additives in motor oil perform two critical functions: lessen destructive processes and enhance the beneficial properties of the base oil. Here’s a rundown.
The air filter prevents dirt, dust, leaves and other debris from entering the engine and causing wear. On most vehicles, changing the air filter is simple.