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geo prism stalls and stumbles?

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:

throttle body has also been cleaned

Update 2:

throttle body has also been cleaned

2 Answers

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  • 1 decade ago
    Favorite Answer

    The throttle-body could need cleaning. Maybe needs a new fuel-filter. Sorry to say, it could be the timing belt, they are only good for about 100,000 miles, or less.

  • 1 decade ago

    It's running way too rich. If the engine is carbureted, check the mixture. If it's not, check the sensors.

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