I recently noticed that my Audi 80, after accelerating to a higher speed and then letting off the gas, produces a popping sound from the exhaust. This only seems to happen when the engine has warmed up. What could be causing this issue and is it something to be concerned about?
ReplyThe popping sound from your exhaust could be a result of unburned fuel entering the hot exhaust system and igniting. This is commonly referred to as an exhaust backfire. It could be caused by a number of issues such as a faulty spark plug, fuel injector, or ignition timing.
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