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The Pontiac Grand Am is a mid-size size (and later compact) car produced by Pontiac. The 1999-2005 generation is the final generation of the Pontiac Grand Am.

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When I accelerate the car starts to sputter & act like its about todie

Why does my 1999 Pontiac Grand Am sputter and act likes it's about to die when I accelerate. If it's idling it runs OK. What's causing it and how do i fix it?

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Check to see if the timing is off.

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Throttle position sensor

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Mass air flow sensor was gone in mine and it did that. I changed it and the air filter and has run great since.

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Roscoe Thomas will be eternally grateful.
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