The Chevrolet S-10 Blazer was a mid-size SUV manufactured from 1983 to 2005, with the last major redesign occurring in 1995. The 2004 Blazer had a 6-cylinder 4.3L engine with multi-port fuel injection requiring a high-pressure electric fuel pump. The procedure for replacing the fuel pump is the same in all versions of this vehicle. The fuel pump is part of the fuel-sending unit on the fuel tank,
