1999-2003 diesel ford excursion and all f series with 7.3ltr turbo diesel.. massive fuel leaks common . passenger side high pressure line rubs through over time due to faulty bracketing leading to large fuel spill in upper valley ..hard to locate and easily overlooked.. fuel pours down back of motor and could potentially ignite on exhaust.....exhausts commonly leak at flange at back of turbo housing on down pipe . can potentially fill cab with co2 and bypasses all emissions controls numerous reports recorded on diesel forums ... help! *tr