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HOW TO FIX AN ENGINE BACKFIRE IN 15 MINUTES!

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hello and welcome to two car pros say

we're going to show you how to fix an

engine that is backfiring this is going

to be a video guide on the first things

to check when your engine does backfire

the first thing we're going to cover is

what causes a backfire when your engine

backfires it can do so in one of two

ways first and the most common way is

when the engine is running a small

explosion of unburned fuel is ignited

inside of the intake manifold causing a

loud bang which is what you hear in a

backfire this explosion can bend the

throttle actuator plate push the intake

gaskets outward creating a vacuum leak

and even blow apart plastic intake

manifolds when intake manifolds were

made of aluminum they could better

withstand this kind of problem this

occurrence can happen once or a few

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