Dodge Sprinter 2006 Manual page 1680

14 - 4 FUEL SYSTEM
Fig. 3 WATER IN FUEL SENSOR
1 - WIF SENSOR
2 - WIF DRAIN
3 - FUEL FILTER
4 - FUEL SUPPLY FROM TANK
5 - FUEL SUPPLY TO HIGH PRESSURE PUMP
STANDARD PROCEDURE - LOW PRESSURE
FUEL PUMP TEST
NOTE: Assure fuel tank quantity and proper fuel
gauge operation. Assure that the fuel pump fuse or
relay is not open. Capture any fuel spillage and
store in appropriately marked containers.
NOTE: When the ignition switch is turned to the ON
position the fuel pump will begin to run for 20–30
seconds and then it stops.
Th e low pr essu r e pu m p dr a ws fu el ou t of t h e fu el
t a n k m odu le a n d pu sh es t h e fu el t owa r ds t h e fu el fil-
t er. If t h e pr essu r e r ea din g is below specifica t ion ,
look for da m a ged or lea kin g fu el lin es or a r est r ict ed
fu el filt er. If n o pr oblem is fou n d wit h t h e fu el sys-
t em r epla ce t h e low pr essu r e fu el pu m p.
(1) Discon n ect t h e n ega t ive ba t t er y ca ble.
(2) Con n ect a fu el ga u ge t o t h e low pr essu r e fu el
su pply t o t h e h igh pr essu r e pu m p (F ig. 4).
Fig. 4 FUEL GAUGE CONNECT AT HIGH PRESSURE
1 - FUEL SUPPLY FITTING
2 - ADAPTOR
3 - FUEL GAUGE HOSE
4 - HIGH PRESSURE PUMP
5 - FUEL RETURN FITTING
(3) Con n ect n ega t ive ba t t er y ca ble.
(4) Tu r n t h e ign it ion t o t h e ON posit ion a n d
obser ve t h e fu el ga u ge r ea din g (F ig. 5).
Fig. 5 FUEL PRESSURE TEST AT HIGH PRESSURE
(5) Th e fu el pr essu r e sh ou ld be 4.0 t o 4.5 ba r (58 -
65 psi) If t h e fu el pr essu r e is below specifica t ion ,
PUMP
PUMP
VA