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Why does a 1993 Pontiac Grand Am 3.3 automatic stutter before going and sometimes backfire when you press on the gas?


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Wiki User
2004-10-01 09:12:40
2004-10-01 09:12:40

Assuming engine is in good condition and properly tuned and maintained.The mass air flow sensor is dirty.This causes an in-accurate measrure of air flow and in-correct amount of fuel delivery.


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A backfire is caused by a misfire... a cylinder fails to ignite the fuel which may cause a stutter, it may also cause a back fire due to it pushing that un-ignited fuel into your manifold where it then ignites from the heat of the other cylinders and boom you have a backfire...

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No. Kenyon Martin has a stutter that he has dealt with since his childhood. While the stutter is mainly under control now, it does still affect him sometimes.

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u can usethe word stutter in a snetence like this: i stutter a lot when speaking.

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You would not be considered a stutterer if you only stutter at certain times. Those who stutter all of the time do stutter worse in highly emotional situations.

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Do not make fun or ridicule people who stutter

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