Question about 2001 Chevrolet Impala

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Drives fine with normal driving but when I get on it stalls or acts like it is going to stall

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  • mcjmwnc Nov 15, 2009

    changed plugs wires pcv and fuel filter
    had a trouble code odb0420
    mabye erg ?

  • mcjmwnc Nov 15, 2009

    yup and plugs wires pcv

  • gladys_neal
    gladys_neal May 11, 2010

    have you changed your fuel filter

  • yadayada
    yadayada May 11, 2010

    has the fuel filter ever been changed

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Could be a clogged fuel filter that will not let enough gas through. Or it could be a timing or vacuum issue. I would start with the easiest.

Posted on Nov 13, 2009

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P0420 Difinition: Catalyst System Efficiency Below Threshold Bank one
What does that technical talk mean?
You have a worn out catalytic converter, this will not cause any sysmptom you can fell and has nothing to do with the EGR system.

Posted on Nov 15, 2009

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