Fuel Pressure Sensor - Dodge Sprinter 2006 Manual

VA
INSTALLA TION
WARNING: NO SPARKS, OPEN FLAMES OR SMOK-
ING. RISK OF POISONING FROM INHALING AND
SWALLOWING FUEL. RISK OF INJURY TO EYES
AND SKIN FROM CONTACT WITH FUEL. POUR
FUELS ONLY INTO SUITABLE AND APPROPRI-
ATELY MARKED CONTAINERS. WEAR PROTECTIVE
CLOTHING.
NOTE: When removing injectors, the seal rings and
retaining stretch bolts must always be replaced.
Coat the injector body with the anti-seize com-
pound before installing. Keep lubricant away from
the injector nozzle.
(1) Clea n in ject or s a n d r ecesses (Refer t o 14 -
F UE L SYSTE M/F UE L INJ E CTION/F UE L INJ E C-
TOR - STANDARD P ROCE DURE ).
(2) Coa t in ject or body wit h a n t i seize lu br ica n t
t h en in st a ll in ject or s wit h n ew sea ls.
(3) In st a ll t en sion in g cla ws wit h n ew scr ews a t
in ject or s. Tigh t en scr ews in t wo st a ges, 7 N·m (62
lbs. in .) t h en 90° (F ig. 13).
NOTE: If locking clamp has been pulled off at injec-
tor, the locking clamp must be replaced.
(4) P osit ion fu el r et u r n lin e a t in ject or s a n d secu r e
lockin g cla m ps (F ig. 13).
NOTE: Counterhold injection lines with wrench
socket at threaded connections of injectors. DO
NOT over tighten.
(5) In st a ll h igh pr essu r e in ject ion lin es (Refer t o
14 - F UE L SYSTE M/F UE L DE LIVE RY/F UE L LINE S
- INSTALLATION).
(6) Recon n ect in ject or elect r ica l con n ect or s (F ig.
13).
(7) Con n ect n ega t ive ba t t er y ca ble.
NOTE: Fuel Injectors have different flow rates.
When injectors are removed, re-enter all injector six
digit codes.
(8) P r ogr a m a ll in ject or codes in t o t h e E CM u sin g
t h e sca n t ool.
(9) St a r t en gin e, a llow t o r u n , t u r n en gin e off a n d
in spect for lea ks (Refer t o 14 - F UE L SYSTE M -
WARNING).
CAUTION: Care must be taken when installing the
engine cover. Assure the proper routing of the fuel
injector return fuel hose to the banjo bolt fitting in
the left rear corner of the cover. Failure to do so
may pinch or damage the hose causing fuel leakage
or a driveability concern.
(10) In st a ll en gin e cover (Refer t o 9 - E NGINE -
INSTALLATION)..
FU EL PRESSU RE SEN SOR
DESCRIPTION
Th e fu el r a il pr essu r e sen sor m ea su r es t h e cu r r en t
fu el r a il pr essu r e a n d su pplies a n a ppr opr ia t e volt a ge
sign a l t o t h e E CM. Th e n on -con st a n t fu el syst em
pr essu r e in flu en ces t h e posit ion of t h e in t er n a l dia -
ph r a gm . Th is r esu lt s in a va r ia t ion in t h e elect r ica l
r esist a n ce wh ich is a n a lyzed by t h e E CM.
OPERA TION
Th e fu el r a il pr essu r e sen sor m ea su r es t h e cu r r en t
fu el r a il pr essu r e a n d sen ds a volt a ge sign a l t o t h e
E CM. Th e E CM t h en a ct u a t es t h e fu el r a il pr essu r e
con t r ol va lve u n t il t h e desir ed r a il pr essu r e is
a ch ieved.
REMOVAL
(1) (Refer t o 14 - F UE L SYSTE M/F UE L INJ E C-
TION - WARNING) Discon n ect t h e n ega t ive ba t t er y
ca ble.
(2) Rem ove t h e m ixin g h ou sin g.
(3) Un plu g t h e sen sor (F ig. 14).
(4) Cou n t er-h old t h e t h r ea ded con n ect ion a t t h e
fu el r a il a n d u n scr ew t h e sen sor (F ig. 14).
Fig. 14 FUEL RAIL PRESSURE SENSOR
1 - WIRING CONNECTOR
2 - FUEL RAIL PRESSURE SENSOR
3 - SEALING RING
4 - FUEL RAIL
FUEL INJECTION 14 - 39