Question about 1996 Pontiac Grand Am

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On start up engine wants to galop then as it warms up the engine

Dies out unless you have your foot on the gas the problem just happened over night.the gentlemen selling the car said he belives it is a combination of the mapping sensor and the o2 sensor the car is a 1996 pontiac grand am my question is can the mapping sensor and the o2 sensor cause this problem and make the car just die out like that u can deffintley smell that the car is running rich (strong gas smell out of exagust)

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Check for a crack in the intake manifold sounds like too much air

Posted on Jul 20, 2009

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