Originally Posted by cobb

I can not figure out why I get such poor fuel economy. I let my car warm up or cool down the inside for 15 minutes, I shift at 5 grand if stick shift, I hold the petal to the floor if automatic til it reachs the speed limit and leave od off and I get such rotten fuel economy. You mean I need to get in the car first before starting it and only give it part throttle til I reach desured speed?