Installation manual

4-15
90-898305
2.5L OptiMax Fuel Schematic
a) Fuel Vapor (to plenum intake
cover)
b) Fuel Return
c) High Pressure Fuel
d) 40 psi (subject to change later
models) Check Valve
e) Water Outlet to Compressor
f) Fuel System Pressure Test
Valve
g) Fuel Regulator
h) Tracker
i) Fuel Injector
j) Water In
k) Low Pressure Electric Fuel
Pump
l) Mechanical Fuel Pump
m) Water Separating Fuel Filter
n) Fuel Filter
o) High Pressure Fuel Pump
p) Vapor Separator Tank (VST)
NOTE: Typical example, component location will vary on other models.
Tip: A stuck 40 psi check valve will result in higher than normal
fuel pressure.