Z/ZL/ZR/ZRT/T-Cat/EXT/JAG/Cougar
I have a '99 440 Sno Pro, only has about 1/3 throttle. Starts and idles and runs great at low speeds, but around 30 mph or going past about 1/3 throttle, it simply doesn't increase speed/power. My first thought was a bad fuel pump, or leak in the pump line from the engine. Any thoughts, or...