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FUEL SYSTEM (PGM-FI)
SERVICE INFORMATION
GENERAL
•
This FUEL SYSTEM section covers service of
the
electrical and mechanical system of the PGM-Fl system,
fuel
supply
system and air cleaner.
•
Before
disconnecting the fuel feed
hose, relieve
pressure from the
system (page
6·
31 I,
•
Bending or
twisting
the control cable wi
l
l impair smooth operation and could cause
the
cable
to
stick or
bend,
resulting
in loss of vehicle control.
•
Work in a well ventilated
area.
Smoking or allowing flames or sparks in
the
work area or where gasoline is stored can
cause a fire or
explosion.
•
Do
not snap the throttle valve from
full
open to
full
close aher
the
throttle cable
has
been
removed.
It may cause incor-
rect
idle operation.
•
Seal the cylinder
head
intake port with
tape
or
a clean
cloth
to
keep
dirt
and
debris from
entering the intake port after
the throttle body has been
removed.
•
Do
not damage
the
throttle body. It
may
cause
incorrect
throttle valve operation
.
•
Prevent dirt and debris from entering the
throttle
bore,
IACV, sensor
hole and
fuel
feed hose,
clean
them
using
com~
pressed
air.
• The
throttle body is factory
pre-set. Do nOI
disassemble in a way other than
shown
in this
manual.
•
Do not loosen
or tighten
the
white
painted
bolts,
nuts
and screws of
the throttte
body.
Loosening
or
tightening
them can
cause throttle body
malfunction.
•
A faulty PGM·FI system is often related to poorly connected or corroded
connectors.
Check
those
connections before
proceeding
.
•
When disassembling
the PGM-FI
parts, note the location of
the
O-rings. Replace them with new ones upon
reassembly.
•
Use a
digital tester
for
PGM·
FI
system
inspection.
SPECIFICATIONS
-
-'
,Ti
TE
"M
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- - - -
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TORQUE VALUES
Insulator band screw (throttle
body
side)
Insulator
band
screw (cylinder
head
side)
ECT sensor
Fuel pump lock nut
6-4
See
page
6-47
See
page
6-47
12 N'm
(1.2 kgf·m, 9 Ibf·h)
93
N·m
(9.5 kgf·m, 69 Ibf·h)
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Troubleshooting
