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1990 Pontiac Grand Am Question: I have a 1990 Pontiac 60000-Le with 3.1 liter engine. Have changed to map

 

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willliam, Jacksonville, FL, April 07, 2013, 17:30
 Rookie

sensor but still have driveability trouble.

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  • Answer #1

    April 09, 2013, 18:54
     Journeyman

    is the trouble on cold or warm engine. check fuel pressure regulator

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