Ford Mustang 1996 4.6L 281Cu. V8 GAS DOHC Naturally Aspirated Fuel tank contamination is the leading cause of premature fuel pump failure. Ford Thunderbird 1985 2.3L 140Cu. Ford Taurus 1986-1988 3.0L 2954CC V6 GAS OHV Naturally Aspirated 18.6 Gallon Fuel Tank Fuel tank contamination is the leading cause of premature fuel pump failure.