Originally Posted by JimBlake
How about water getting on distributor cap or plug wires, causing misfiring? That would mean your cap or wires are going bad.
That, or possibly water getting onto the air filter..do you have a CAI?
__________________
2015 Ford Mustang GT Fastback - Ingot Silver - 6M - Performance Package - Gibson Catback, JLT CAI, FR 47lb injectors, BAMA E85 tune, Eibach Sportline, BMR wheel hop kit, UPR oil separator, Steeda shifter bushing/bracket
Team B.O.B.® - Ballaz on a Budget