Fuel System
Fuel Pump
in tank
Third-party Replacements
Walbro 255 in tank pump, need to ensure oring is correct.
Fuel Filter
Drivers side, near rear wheel
replacement is a Zxxx
Fuel Lines
main feed is 5/16
return is 1/4
Fuel Rails
Can use Evo ends.
Injectors
OEM are 3/4 height Denso 399cc/min
Third-party replacements
Bosch Motorsports or ID
1000cc for E85.
need electrical adapters
Fuel Pressure Regulator
End of second rail,
ECU can cut vacuum.
| Condition | Standard fuel pressure |
|---|---|
| Vacuum hose disconnected | |
| Vacuum hose connected |
Third-party replacements
External FPR like turbosmart xxx