Changed plugs and plug wires Runs great cold and on the road way when it gets warm and I slow down or come to stop sign it will stall out, it will always start but is missing badly. Thanks
Please......let us know what year and model you are talking about.
You can put that information in your "signature" for future reference.
Any warning lights lit up on the dash ?
Guesses:
Fuel filter
Tank vent
Fuel pump
Ignition electronics
I think I would start with a dose of multi-purpose fuel system cleaner (NOT SeaFoam) in the gas and see if that helps any.
And change the fuel filter if that's never been done.......or you don't know.
And loosen the gas cap while it is running bad to see if that helps.
Add to the list of possible causes: Loose of damaged vacuum hoses.
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