no vacuum leaks for sure and i have a manual tranny but i don't see why that has anything to do with the engine cutting out and using a half a tank of fuel in 30 minutes. the engine light has been on way before this problem came up. it came on for a rear o2 sensor malfunction but it ran good still. now that the car was driven backwards into a bayou by my wife and got just the rear of the tank under water everything else failed. clogged injectors, fuel pump is loud now and clogged filter. anyways, i am stumped, i will be taking care of my injectors soon.