So my69 Coronetisnt back firing its after firing... when in idle the car after fires (loud bang heard from exhaust). I dont know what could be causing this and it just suddenly started to happen. I didnt change my fuel/air mixure or replace anything. When I start to accelerate itstops.It just started doing this last night... Any info is greatly appreciated!

 

hmmmmmmmm....you don't have a chevy stuck in the carb do you?