Improving fuel economy or gaining horsepower means making the engine more efficient. Fuel economy or maximum power is only obtainable when the correct air/fuel mixture or ratio (a richer mixture for ...

An ignition coil takes voltage from the battery and multiplies it to create a spark at the spark plugs, which in turn ignites the engine. Cars have been using some form of the coil ignition system for ...

Hello Richard, I understand the anxiety caused when you see the check engine light or MIL (Malfunction Indicator Light) on your dashboard. This amber light can mean a range of faults that affect ...