Why is my exhaust popping more?
Why is my exhaust popping more? If your engine is getting more fuel than it needs, a rich fuel to air ratio is the result. When your car has leftover fuel in the exhaust and the cylinders, that fuel explosively burns and creates a loud popping sound. What causes air to pop in the exhaust? Hello; The most common thing for popping in the exhaust is excess air. It 's either too lean and thats the source of the air or there is an air leak in the exhaust somewhere. The pops are actually small explosions of fuel left over...