i just bought this 1998 z28 camaro today ran great i went to the gas station and put gas in her and went thru the car wash....oops now the car is reading high voltage when i sit and idle its fine but soon as i touch the gas the lights brighten up volts read off the gauge...when i got on the interstate the throttle was sticking as well...not the pedal but somthing else...all of this just happend went i got out of the car wash...any ideas?