1993 Chevrolet Truck

1993 Chevy Truck V8 Two Wheel Drive Automatic

The truck I have when I start it in the morning I can smell fuel and it fluters in gear you can see I surge in the tac and alt gauge. Also my exhaust comes out befor my tire and when I drive down the high way my rim and tailpipes are black and I have replaced the 02 sensor and it got harder on fuel what could it be?
Brad Johnson
April 2, 2010.

How long since a tune-up? Use a gage and check fuel pressure. Any applicable trouble codes?

Apr 2, 2010.