Jeep Cherokee 1999 Electronic Service Manual page 1237

14 - 46 FUEL SYSTEM
REM OVAL AN D I N STALLAT I ON (Cont inue d)
Fig. 44 Throttle Body and Sensor Locations—4.0L
Fig. 45 Throttle Body and Sensor Locations—2.5L
(6) Disca r d old t h r ot t le body-t o-in t a ke m a n ifold
ga sket .
INSTALLA TION
(1) Clea n m a t in g su r fa ces of t h r ot t le body a n d
in t a ke m a n ifold.
(2) In st a ll n ew t h r ot t le body-t o-in t a ke m a n ifold
ga sket .
(3) In st a ll t h r ot t le body t o in t a ke m a n ifold.
(4) In st a ll fou r m ou n t in g bolt s. Tigh t en bolt s t o 11
N·m (100 in . lbs.) t or qu e.
(5) In st a ll con t r ol ca bles.
(6) In st a ll elect r ica l con n ect or s.
(7) In st a ll a ir clea n er a t t h r ot t le body.
Engine
Engine
THROTTLE POSITION SENSOR (TPS)
Th e TP S is m ou n t ed t o t h e t h r ot t le body (F ig. 44)
or (F ig. 45).
REMOVAL
(1) Discon n ect TP S elect r ica l con n ect or.
(2) Rem ove TP S m ou n t in g scr ews (F ig. 46).
(3) Rem ove TP S.
Fig. 46 TPS Mounting Screws
INSTALLA TION
Th e t h r ot t le sh a ft en d of t h e t h r ot t le body slides
in t o a socket in t h e TP S (F ig. 47). Th e TP S m u st be
in st a lled so t h a t it ca n be r ot a t ed a few degr ees. (If
t h e sen sor will n ot r ot a t e, in st a ll t h e sen sor wit h t h e
t h r ot t le sh a ft on t h e ot h er side of t h e socket t a n gs).
Th e TP S will be u n der sligh t t en sion wh en r ot a t ed.
Fig. 47 Throttle Position Sensor—Installation
(1) In st a ll TP S a n d r et a in in g scr ews.
(2) Tigh t en scr ews t o 7 N·m (60 in . lbs.) t or qu e.
(3) Con n ect TP S elect r ica l con n ect or t o TP S.
(4) Ma n u a lly oper a t e t h r ot t le (by h a n d) t o ch eck
for a n y TP S bin din g befor e st a r t in g en gin e.
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