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geo prism stumbles and stalls?

i have a 94 geo prism 1.6l. dohc. and it stumples and stalls when warm and using any throttle other than very gentle. it also stumbles at idle when coming off freeway. i have a hunch its flooding but not sure. i have replaced the fuel pressure regulator 3 times (2 used one new) and no luck the catalytic converter is good, new spark plugs/cap/rotor. any ideas..... thank you

Update:

its fuel injected and the air filter is new

2 Answers

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  • Anonymous
    1 decade ago
    Favorite Answer

    you should check the throttle positioning sensor and your o2 sensors it is most likely one of them

  • 1 decade ago

    check that the choke is not getting stuck on and have you changed are filter

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