I have 87 GN with Alky kit. When I floor the throttle, the alky kicks in and the car runs great. But, when I let off the gas, the alky keeps pumping so the car will hardly run. I have to shut off the engine and wait a few minutes. When I start it back up, it runs fine until I floor it again and the alky stays on after I let up. I haven't had this problem before. Can anyone tell me what's wrong?