A vehicle may sputter after a heavy rain due to rain water getting into the gas tank. This can be fixed simply by purchasing a fuel injector cleaner from a local automotive store.
A car could sputter in the rain if the car needs new seals. There could also be a spark plug or wire that needs to be replaced.
You Probley have a blowed head gasket.
Need to check the fuel pressure with a gauge FIRST,May be a stoped up fuel filter.
Bad port on the spyder injector , or 0xygen sensor going bad , and pluging up catalytic convertor
Heavy Rain happened in 2010.
Put it on a diet?
A strong wind that can bring heavy rain
Heavy Rain was created on 2010-02-18.
drizzle is very light rain and well heavy rain, is well, heavy
Heavy continuous rain is lots of rain coming down that lasts for a long time.
Most common cause would be the plus wires. Dampness causes them to arc and the cylinder that the wire is arcing on won't fire causing a miss/sputter.
Heavy rain can can last any resonable amount of time.