Question about 1999 Pontiac Grand Prix
It will not run unless you hold the gas pedal down all the way to floor some say it could be a egr valve or cat. converter or the charcoal canastir at back by fuel tank
Have u tried to replace the mass air flow sensor. i got one at the junk yard for $ 30.00.it took 1 minute to pull it and replace it
Posted on Oct 20, 2008
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Posted on Jan 02, 2017
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