Swapanostics 

Cluelessly switching parts around in order to determine where a fault lies, in lieu of proper testing

Sean was a terrible mechanic and relied on swapanostics to determine why his truck was misfiring

Swapanostics by The car whisperer February 15, 2017

swapnostics 

Swapping out parts in the hope of diagnosing and repairing a vehicle.

Baz spent thousands of dollars on parts and it took all day only to find it was a poor earth. This is swapnostics at it's best.

swapnostics by diagnosticspecialist May 21, 2019