A car can backfire when fuel vapors ignite in ... Out-of-sync ignition timing causes the ignition cycle (the spark plug ...

electricity from the ignition coil is routed to the wrong cylinder during the combustion cycle. As with most distributor cap symptoms, other issues may be causing the car to stall or backfire.

Most drivers think of the ignition switch as the slot where they insert the key to start their car, but that’s actually the ignition lock cylinder. The ignition switch is a more complex electric ...