Can increased spark plug maintenance intervals put people out of work? We live in a changing world and sometimes we don’t realize what a big impact seemingly small changes have in our lives. When I got into the auto repair business there was plenty of work to go around. This has changed drastically over the last 2 decades. Maintenance intervals have increased and the car doesn’t need as much attention as it use to.
Today I’m going to talk about spark plug maintenance in particular but you could also add to the list of things that changed the automotive maintenance business, synthetic engine oil, extended life anti-freeze, new transmission technology requiring less fluid and filter changes and direct ignition systems that did away with the distributor cap and rotor.
But let’s talk about spark plugs. When you get right down to it a spark plug provides an electrical lightning bolt that ignites the air fuel mixture in the combustion chamber on command. Voltage surges supplied from the coil travel down spark plug wires to the correct plug. Continue reading