Will Retarded Timing Cause Backfire?

"Backfiring" is usually caused by a spark plug "sparking" when it isn't its turn and the exhaust valve is open. ... A sticky or burned exhaust valve can also cause some backfiring out the exhaust. Having timing that is too late (retarded) can cause this same thing sometimes if your engine is running too rich.

Does advanced or retarded timing cause backfire?

Low or retarded timing will cause an engine to spit back through the carb. When distributors are not tightened properly the dist will retard itself and cause a backfire.

Can bad timing cause backfire?

There's a variety of factors that can cause your car to backfire, but the most common ones are having a poor air to fuel ratio, a misfiring spark plug, or good old-fashioned bad timing.