Mass
air
flow
sensor,
replacing
1
.
Disconnect
harness
connector
and
intake
air
boots
from
air
flow
sensor
.
See
Fig
.
37
.
Fig
.
37
.
Mass
air
flow
sensor
(arrow)
on
M52
engine
.
2
.
Installation
is
reverse
of
removal
.
"
No
adjustment
to
aír
flow
sensor
is
possible
.
"
Check
intake
hoses
for
cracks
and
vacuum
leaks
.
Engine
coolant
temperature(ECT)
sensor,
replacing
The
ECT
sensor
is
a
dual
temperature
sensor
.
One
circuit
provides
coolant
temperature
information
to
the
ECM
while
the
other
circuit
provides
coolant
temperature
information
to
the
instrument
cluster
.
1
.
Remove
left-side
top
engine
cover
.
4
.
Remove
sensor
.
5
.
Installation
is
reverse
of
removal
.
"
Replace
any
lost
coolant
.
0012703
"
Use
a
new
copper
sealing
washer
when
installing
new
Tightening
Torque
"
Engine
coolant
temperature
to
cylinder
head
.....
..
.
...
......
13
Nm
(10
ft-Ib)
FUEL
INJECTION
130-
25
0012704b
Fig
.
38
.
M52
engine
:
Engine
coolant
temperature
(ECT)
sensor
(A)
is
located
beneath
top
engine
cover
(8)
and
crankcase
vent
hose
(C)
.
Intake
air
temperature
(IAT)
sensor,
replacing
The
intake
air
temperature
(IAT)
sensor
for
the
M52/S52US
engine
is
mounted
on
the
bottom
of
the
intake
manifold
.
See
Fig
.
39
.
2
.
Unclip
crankcase
venting
hose
from
cylinder
head
cov-
er
.
See
Fig
.
38
.
Fig
.
39
.
M52/S52US
engine
:
Intake
air
temperaturesensor
location
in
bottom
of
intake
manifold(arrow)
.
Throttle
housing
shown
re
3
.
Under
intake
manifold,
disconnect
harness
connector
moved
.
fromsensor
.
1
.
Disconnect
intake
air
bootfrom
throttle
housing
.
Unbolt
throttle
housing
and
¡ay
aside
.
(It
is
not
necessary
to
disconnect
throttle
cable
or
electrical
harnessconnec-
tors
from
throttle
housing
.)
sensor
.
2
.
Remove
electrical
harness
connector
from
IAT
sensor
.
3
.
Unclip
temperature
sensor
and
remove
from
intake
manifold
.
4
.
Installation
is
reverse
of
removal
.
Use
a
new
gasket
at
the
throttle
housing
.
SIEMENS
MS
41
.1
COMPONENT
REPLACEMENT
130-26
FUEL
INJECTION
Throttle
position
sensor
(TPS),
replacing
The
throttie
position
sensor
is
located
on
the
side
of
the
throttie
housing
.
See
Fig
.
40
.
Fig
.
40
.
M52
engine
:
Throttle
position
sensor
(arrow)
.
1
.
Unplug
harness
connector
from
sensor
.
NOTE
-
On
cars
with
tractioncontrol,
do
not
confuse
the
throttieposition
sensor
on
the
main
throttie
body
wíth
the
throt-
tie
position
switch
on
the
secondary
throttie
body,
where
applicable
.
3
.
Installation
is
reverse
of
removal
.
¡die
speed
control
valve,
replacing
0012700b
The
¡die
speed
control
valve
is
mounted
on
the
underside
of
the
intake
manifoldadjacent
to
the
dipstick
tube
bracket
.
Ac-
cessing
the
valve
is
best
accomplished
by
first
removing
the
throttie
housing
.
1
.
Disconnect
intake
air
bootfrom
throttie
housing
.
Unbolt
throttie
body
and
¡ay
aside
.
(Do
not
disconnect
throttie
cable
or
electrical
harness
connectors
to
throttie
body
.)
2
.
Unbolt
dipstick
tube
bracket
from
intakemanifold
.
3
.
Workíng
under
intake
manifold,
disconnect
electrical
harness
connector
from
¡die
speed
control
valve
.
4
.
Remove
two
bolts
retaining
¡die
speed
control
valve
to
underside
of
intake
manifold
.
Remove
valve
from
intake
manifold
.
Remove
hose
clamp
and
disconnect
hose
.
ECM
PIN
ASSIGNMENTS
mately
one
minute
.
Vacuum
seal
Mounting
bracket
Electrical
connector
0013185
Fig
.
41
.
M52
engine
:
¡die
speed
control
valve
(located
under
intake
manifold)
.
5
.
Installation
ís
reverse
of
removal
.
Use
new
gaskets
when
installing
.
NOTE
-
Poor
driveabilíty
may
be
noticed
atter
installing
a
re-
placement
idle
speed
control
valve
.
After
about
10
min-utes
of
dríving
the
idle
speed
should
return
to
normal
.
ECM
PIN
ASSIGNMENTS
2
.
Remove
twomountingscrews
holding
sensor
to
throttie
housing
.
Engine
control
module
(ECM),
accessing
1
.
Disconnect
negative
(-)
battery
cable
.
Wait
approxi-
CAUTION-
Prior
to
disconnecting
the
battery,
read
the
battery
disconnection
cautions
given
at
the
front
of
this
manual
onpage
vüi
.
2
.
Remove
engine
control
module
(ECM)
compartment
cover
from
right
side
of
engine
compartment
rear
bulk-
head
.
Cover
is
retained
withfour
captíve
screws
.
See
Fig
.
42
.
3
.
Disconnect
control
module
harness
connector
by
re-
leasing
fastener
and
pivoting
connectorup
and
off
ECM
.
4
.
Remove
ECM
from
retaining
brackets
and
pull
ECM
from
its
holder
.
5
.
Installation
is
reverse
of
removal
.
230-
6
MANUAL
TRANSMISSION
Transmission,
removing
and
installing
1
.
Disconnect
negative
(-)
cable
from
battery
.
CAUTION-
Prior
to
disconnecting
the
battery,
read
the
battery
disconnection
cautions
given
at
the
front
of
this
manual
onpage
viii
.
2
.
Insta¡¡
enginesupportacrossengine
bay
.
Raise
engine
so
that
weight
of
engine
ís
supported
.
See
Fig
.
10
.
Fig
.
10
.
Engine
support
equipment
used
to
support
engine
from
above
before
removing
transmission
.
3
.
Raise
vehicle
to
gain
access
to
underside
of
car
.
4
.
Support
transmission
with
transmission
jack
.
lf
applica-
ble,
remove
reinforcing
cross
brace
from
belowen-
gine/transmission
.
5
.
Disconnect
harnesscon
nector
from
reverse
light
switch
on
transmission
.
6
.
Remove
completeexhaustsystem
and
heat
shield
.
See
180
Exhaust
System
.
NOTE-
Disconnect
oxygensensor
hamess
connector(s)be-
fore
lowering
exhaust
system
.
7
.
Remove
driveshaft
.
See260
Driveshaft
.
8
.
Disconnect
shift
rod
from
transmission
selectorshaft
.
See
Fig
.
11
.
9
.
Disconnect
shift
console
fromtop
of
transmission
.
See
250
Gearshift
Linkage
.
TRANSMISSION
REMOVAL
AND
INSTALLATION
Washers
Shift
Shift
rod
rod
retaining
clip
0
0
,
Fig
.
11
.
Shift
lever
to
transmission
connection
.
Shift
console
0012024
10
.
Unbolt
clutch
slave
cylinder
from
sideof
transmission
.
Do
not
disconnect
fluid
hose
.
Suspend
slavecylinder
from
chassis
using
stiff
wire
.
CAUTION-
Do
not
operate
clutch
pedal
with
slave
cylinder
re-
moved
from
transmission
.
11
.
Support
transmission
from
below
with
jack
.
Remove
rear
support
crossmember
from
transmission
.
See
Fig
.
12
.
Fig
.
12
.
Rear
transmission
crossmember
(arrow)
.
12
.
Lower
transmission/engine
assembly
until
it
rests
on
front
suspension
crossmember
.
CAUTION-
Tilting
the
engine
to
lower
thetransmission
can
lead
to
damage
to
various
componente
due
to
lackof
clearance
at
rear
of
engine
-On
cars
with
AST
remove
throttle
body
before
tilt-
ing
engine
.
-Remove
brace
fluid
reservoir
if
necessary
.
0013135
240-
4
AUTOMATIC
TRANSMISSION
TRANSMISSION
REMOVALAND
INSTALLATION
Removal
and
installation
of
thetransmission
is
best
accom-
plished
on
a
lift
using
a
transmission
jack
.
Use
caution
and
safe
workshop
practices
when
working
beneath
car
and
low-
ering
transmission
.
WARNING
-
To
lift
the
vehicle
safely,
see010
Fundamentals
for
the
Do-it-Yourself
Owner
.
CAUTION-
"
Be
sure
the
vehicle
is
properly
supported
.
The
removal
of
the
transmission
may
upset
the
bal-
ance
of
the
vehicle
on
a
lift
.
"
Tilting
the
engine
to
remove
the
transmission
can
lead
to
damage
to
various
components
due
to
lack
of
clearance
.
-On
carswith
AST
remove
throttle
body
.
-Remove
brake
fluid
reservoir
if
necessary
.
Torx-head
bolts
are
used
to
mount
thetransmission
to
the
bellhousing
.
Be
sure
to
have
appropriate
tools
on
hand
before
starting
thejob
.
2
.
Install
engine
support
across
engine
bay
.
Raise
and
safely
support
vehicle
.
See
Fig
.
6
.
WARNING
-
"
When
raising
thecar
using
a
floor
jack
or
a
hy-
draulic
lift,
carefully
position
the
jack
pad
to
pre-
vent
damaging
the
car
body
.
A
suitable
liner
(wood,
rubber,
etc
.)
should
be
placed
between
the
jack
and
the
car
to
prevent
body
damage
.
"
Watch
the
jack
closely
.
Make
sure
it
stays
stable
and
does
not
shift
or
tilt
.
As
the
car
is
raised,
the
car
may
roll
slightty
and
the
jack
may
shift
.
CAUTION-
Removal
of
transmission
will
cause
engine
to
tip
unlessengine
support
is
used
.
TRANSMISSION
REMOVAL
AND
INSTALLATION
Fig
.
6
.
Engine
support
equipment
used
to
support
engine
from
above
before
removing
transmission
.
3
.
Raise
vehicle
to
gain
access
to
underside
of
car
.
4
.
Drain
ATF
from
transmission
as
described
earlier
.
5
.
Disconnect
oxygen
sensor
harness
.
Remove
exhaust
system,
and
exhaust
heat
shield
.
See
180
Exhaust
System
.
Transmission,
removing
and
installing
6
.
Remove
driveshaft
.
See
260
Driveshaft
.
1
.
Disconnect
negative
(-)
cable
from
battery
.
7
.
With
selector
lever
in
Park,
disconnect
shift
selector
le-
ver
cable
from
lever
and
remove
cable
bracket
.
Hold
CA
UTION-
linkage
clamping
bolt
stationary
when
loosening
Prior
to
disconnectiog
the
battery,
read
the
battery
clamping
nut
.
See
Fig
.
7
.
disconnection
cautions
given
at
the
front
of
this
manual
on
page
vi¡¡
.
Fig
.
7
.
Selector
lever
cable
clamping
nut
(A)
.
Loosen
cable
clamping
nut
(B)
and
remove
cable
from
bracket
.
Always
counterholdclamping
bolt
when
loosening
nut
.
Table
a
.
E36
Component
Locations
Component
Model
Year
Location
Refer
to
Anti-theft
Control
Module
1992-1998
Behind
glove
compartment
Fig
.
8
.
Fig
.
9
.
Anti-theft
Horn
1
1992-1998
1
Right
rear
engine
compartment
Anti-slip
(Traction)
Control
Module
1994-1998
Power
distribution
box
Fig
.
8
.
(AST/ASC+T)
Fig
.
9
.
Anti-slip
(Traction)
Control
Switch
1994-1998
In
center
console
Automatic
Climate
(A/C)
Control
1992-1998
Behind
center
console
Module
AutomaticTransmission
Range
1992-1998
~
Next
to
gear
shift
lever
in
center
console
Fig
.
29
.
Switch
(Gear
Position/Neutral
Safety
Switch)
Auxiliary
Cooling
Fan
Dual
Switch
1992-1998
Right
side
radiator
1
Fig
.
18
.
Auxiliary
Cooling
Fan
Motor
1992-1998
Behind
front
grill
Auxiliary
Fuse
Box
(Left
Splice
1992-1998
I
Behind
left
front
footwell
kick-panel
Panel)
Auxiliary
RelayPanel
1
1992-1998
1
Left
side
of
dash
under
steering
column
Auxiliary
Fuse
Box
In
Trunk
1
1997-1998
1
Right
sideof
trunk
behind
trim
panel
AuADSry
ThrottlePosition
Motor
11994-1998
Front
of
engine
compartment
B+
Jump
Start
Junction
Point
1992-1998
Right
rear
of
engine
compartment
Fig
.
7
.
Back-Up
Light
Switch
(Manual)
1992-1998
Right
or
left
side
top
of
transmission
Fig
.
30
.
Body
Electronics
Control
Module
1994-1998
Behindglove
compartment
Fig
.
8
.
(ZKE
IV)
Fig
.
9
.
Brake
Fluid
Level
Sensor
1992-1998
Top
of
brake
fluid
reservoir
at
master
cylinder
Fig
.
15
.
Brake
Light
Switch
1
1992-1998
1
On
brake
pedal
supportbracket
Brake
Pad
Sensor,
Left
Front
1
1992-1998
1
Left
front
brake
caliper
Brake
Pad
Sensor,
Right
Rear
1992-1998
Right
rear
brake
caliper
Camshaft
Actuator
(VANOS)
1993-1998
Front
of
cylinder
head
Camshaft
Position
Sensor
(Cylinder
1992-1998
Front
of
engine
Identification)
Carbon
Canister
Valve
(TLEV)
1
1997-1998
1
In
sparewheel
well
in
trunk
ELECTRICAL
COMPONENT
LOCATIONS
610-11
Fig
.
5
.
Fig
.
4
.
Fig
.
24
.
Fig
.
7
.
Central
Locking
Module
(ZVM)
11992-1993
1
Behindglove
compartment
I
Fig
.
8
.
Fig
.
9
.
Check
Control
Module
(if
applicable)
1
1992
-
1998
1
Below
left
side
of
dash
Child
Protection
Window
Control
1992-1998
Center
console
(console)
Chime
Module
1992-1998
Below
left
side
of
dash
inleft
dash
trim
panel
Clock
(Multi-Function)
1993-1998
Center
console
Clutch
Pedal
Switch
1992-1998
On
clutch
pedal
support
bracket
Continued
COMPONENT
LOCATIONS
WARNING
Your
common
sense,
good
judge-
ment,
and
general
alertness
are
cru-
cial
to
safe
and
successful
service
work
.
Before
attempting
any
work
on
your
BMW,
read
the
warnings
and
cautions
on
page
vi¡
and
the
copyright
page
at
the
front
of
the
manual
.
Review
these
warnings
and
cautions
each
time
youprepare
to
work
on
your
BMW
.
Please
also
read
any
warnings
and
cautions
that
accom-
pany
the
procedures
in
the
manual
.
A
ABS
(anti-lock
brakes)
See
Brakes
Accelerator
and
throttle
linkage
See
Maintenance
program
Air
conditioning
general
information
640-1
air
distribution
motor,
replacing
(rotary
knob)
640-10
air
distribution
motors
640-9
blower
motor,
removing/installing
640-1blower
motor
resistor
pack,
replacing
640-3
compressor,
replacing
640-12
compressor
clutch
640-13
condenser,
replacing
640-14
control
head
640-7
removing/installing
(digital
-display)
640-8
removing/installing
(rotary
knob)
640-7
control
module
removing/installing
(digital-display)
640-8
removing/installing
(rotary
knob)
640-8
evaporator,
removinglinstalling
640-17
evaporator
temperature
sensor,
replacing
640-17
expansion
valve,
removing/installing
640-16
microfilter,
replacing
640-18
receiverldrier,
replacing
640-15
sensor
fan
forinterior
temperature,
replacing
640-9
warnings
and
cautions
640-11
Air
distribution
(flap)
motor
See
Air
conditioning
See
also
Heating
Air
filter
See
Maintenanceprogram
Airbag
system
(SRS)
general
information
721-1
contact
ring,
replacing
721-3
driver
side
airbag,removing/installing
721-5
front
crash
sensor,
replacing
721-4
front
side-impact
airbag,
removing/
installing
721-7
front
side-impact
airbag
crash
sensor,
removing/installing
721-5
passenger
side
airbag,
removing/
installing
721-6
sensors
and
electronics
721-1
SRS
warning
light
and
fault
display
721-2
systems
721-1
ZAE
control
module,
replacing
721-5
Alarm
system
See
Central
locking
and
anti-theft
Alternator
See
Battery,
starter,
alternator
Anti-freeze
(Engine
coolant)
See
Maintenance
program
Anti-theft
See
Central
lockíng
and
anti-theft
AST
(Al¡
season
traction)
300-4
ATF
(Automatic
transmission
fluid)
See
Automatic
transmission
Automatic
transmission
See
alsoTransmission-general
general
information
240-1
ATF,draining
and
filling
240-2
ATF
leve¡,
checking
240-1
transmission
removaland
ínstallation
240-4
transmission,
removinglinstalling
240-4
transmission
service
240-1
Auxiliary
fan
See
Cooling
system
Axle
joint
See
Maintenance
program
B
Back-up
light
switch
See
Manual
transmission
Balljoint
See
Front
suspension
Battery
See
Battery,
starter,
alternator
Battery,
starter,
alternator
See
also
Maintenance
program
general
information
121-1
alternator,
removing/installing
(4-
cylinder
engine)
121-5
alternator,
removinglinstalling
(6-
cylinder
engine)
121-6
alternator
brushes,
inspecting/
replacing
121-7
alternator
service
121-4
batterycharging
121-4
battery
load
voltage
test
121-4
batteryopen-circuit
voltage
test
121-4
battery
service
121-3
INDEX
1
Battery,
starter,
alternator
(cont
.)
battery
testing
121-3
charging
system
quick
check121-2
charging
system
troubleshooting
121-
2
hydrometer
testing
121-3
solenoid
switch,
removinglinstalling
121-10
starter
service
121-7
starter
troubleshooting
121-7
starter,
removing/installing(4-cylinder
engine)
121-8
starter,
removing/installing(6-cylinder
engine
with
automatic
transmission)
121-9
starter,
removing/installing
(6-cylinder
engine
with
manual
transmission)
121-8
static
current
draw,
checking
121-2
voltage
regulator,
removing/installing
121-6
Bearing,
wheel
See
Front
suspension
or
Rear
suspension
Blowermotor
See
Air
conditioning
See
also
Heatíng
BMW
emblem
See
Exterior
trim,
bumpers
Body-general
general
information
400-1
body
assembly
400-1
central
body
electronics
400-4
convertible
models
400-2
coupe
models
400-2
electronic
immobilizatíon
system
400-
4
exterior
and
aerodynamics
400-2
heating
afhdair
conditioning
400-5
instruments
and
controls
400-4
interior
equipment
400-3
seats
and
seatbelts
400-3
Body
side
molding
See
Exterior
trim,
bumpers
Brake
fluid
See
Maintenance
program
Brakes
general
information
340-1
antilock
brake
system
(ABS)
340-11
inspection
340-12
wheelspeed
sensors,
replacing
340-12
bleeding
brakes
340-3
brake
booster,
removinglinstalling
340-8
brake
caliper,
removing/installing
340-6
brake
pads,
calipers,
and
rotors
340-3
brake
pads,
replacing
340-4
brake
rotor,
removing/installing
340-7
master
cylinder,
removing/installing
340-7
parking
brake
340-10
adjusting
340-10
.
cable,
replacing
340-11
shoes,
removinglinstalling
340-11
4
INDEX
Evaporator
See
Air
conditioning
EWS
(Electronic
immobilization
system)
515-8
Exhaust
system
See
also
Maintenance
program
general
information
180-1
exhaust
manifolds,
removingAnstalling
180-5
exhaustsystem,
removing/installing
180-3
Expansion
valve
See
Air
conditioning
Exterior
lighting
general
information
630-1
center
brake
light
housing,
replacing
(4-door
and
coupe
models)
630-5
foglight
assembly,
removing/installing
630-3
front
turn
signal
assembly,
removing/
installing
630-4
headlight
assembly,removing/
installing
630-2
headlight
bulb,
replacing
630-1
license
plate
light,
removing/installing
630-6
side
marker
lights
630-4
taillight
assembly,
removing/installing
630-5
taillight
bulbs,
replacing
630-4
Exterior
trim,
bumpers
general
information
510-1
BMW
embiem,
removing/installing
510-7
body
side
molding,
replacing
-7
bumper
height,
adjusting
510-6
front
bumper,
removing/installing
510-3
front
bumper
impact
absorber,
replacing
510-4
front
panel,
removing/installing
510-7
outside
rear
view
mirrors
510-1
mirror
housing,
removing/installing
510-1
mírror,
removing/installing
510-2
mirror
glass,
replacing
510-1
radiator
grille,
removing/installing
510-7
rear
bumper,
removingfinstalling
510-
4
rear
bumper
impact
absorber,
replacing
510-4
F
Fenders,
engine
hood
general
information
410-1
front
fenders
410-1
front
fender,
removing/installing
410-1
hood
aligning
410-4
hood,
raising
to
service
position
410-2
hood
release
cable
and
latches,
adjusting
410-4
hood,
removing/installing
410-3
Finaldrive
general
information
331-1
final
drive
se
rvice
331-1
flange
oil
sea¡,
replacing
331-2
inputshaft
oil
sea¡,
replacing
331-3
oil,
draining/filling
331-1
oil
seals331-1
removing/installing
331-3
Final
drive
carrier
See
Rear
suspension
Firing
order
See
Ignition
system
Flexdisc
See
DriveshaftFluids
and
lubricants
See
Maintenance
program
Foglight
See
Exterior
lighting
Front
suspension
general
information
310-1
ball
joint
See
outer
control
arm
ball
joint
control
arm,
removing/installing
310-5
control
arm
bushing,
replacing
310-7
control
arms
310-5
front
wheel
bearing,
replacing
310-8
front
wheel
bearings
310-8
outer
control
arm
ball
joint,
replacing
(except
M3)310-6
ride
height
310-4shock
absorbers
and
springs
310-2
stabilizer
bar
310-9
stabilizer
bar,
removing/installing
310-9
strut
assembly,disassembling/
assembling310-4
strut
assembly,
removing/installing
310-2subframe
crossmember
310-9subframe
crossmember,
removing/
installing
310-9
Fuel
injection
general
information
130-2
basic
engine
settings
130-2
principies
of
operatínn
130-2
Bosch
DME
Ml
.7
component
tests
and
repairs
130-14
air
floiv
sensor,testing/replacing
130-14
engine
coolant
temperature
(ECT)
sensor,
testing/replacing
130-15
¡dle
speed
control
valve,
testing/
replacing
130-16
throttle
position
sensor
(TPS),
testing/replacing
130-16
Bosch
DME
M3
.1
and
M3
.3
.1
component
tests
and
repairs
130-17
engine
coolant
temperature
(ECT)
sensor,
testing/replacing
130-18
¡dle
speed
control
valve,
replacing
130-21
¡dle
speed
control
valve,
testing
130-
20
intake
air
temperature
(IAT)
sensor,
testing/replacing
130-19
mass
air
flow
sensor130-17
Bosch
DME
M3
.1
and
M3
.3.1
(cont)
mass
air
flow
sensor
(hot
film)
testing/replacing
130-18
mass
air
flow
sensor
(hot
wire)
testing/replacing
130-17
throttle
position
sensor
(TPS),
testing/replacing
130-19
Bosch
DME
M5
.2
component
replacement
130-21engine
coolant
temperature
(ECT)
sensor,
replacing
130-22
ldle
speed
control
valve,
replacing
130-23
intake
air
temperature
(IAT)
sensor,
replacing
130-22
mass
air
flow
sensor,
replacing
130-
22
throttle
position
sensor
(TPS),
replacing
130-22
DISA
(dual
resonance
intake
system)
130-3
ECM
pin
assignments130-26
electrical
checks
andcomponent
testing
130-7engine
control
module(ECM),
accessing
130-26
fuel
delivery
tests
130-9
fuel
pressure
regulator
response
to
engine
load,
testing
130-11
fuel
pressure
regulator
130-13
fuel
pressure
regulator,
replacing
(fuel
rail
mount)130-13
fuel
pressure
regulator,
replacing
(under
car
mount)130-14
fuel
pump
relay,
testing
130-7
fuel
rail
and
injectors,
checking
130-11
fuel
rail
and
injectors,
replacing
130-
12
fuel
delivery
tests
(cont
.)
operatíng
fuel
pump
for
tests
130-9
relieving
fuel
pressure
and
connecting
fuel
pressure
gauge
130-10
residual
fuel
pressure,
testing
130-10
main
relay,
testing
130-7on-board
diagnostics
(OBD)
and
fault
diagnosis
130-4
oxygen
sensor,
testing
(Bosch
systems
only)
130-8
secondary
air
injection
130-5
Siemens
MS
41
.1
component
replacement
130-23
engine
coolant
temperature
(ECT)
sensor,
replacing
130-25
¡dle
speed
control
valve,
replacing
130-26
lntake
air
temperature
(IAT)
sensor,
replacing
130-25
mass
air
flow
sensor,
replacing
130-
25
throttle
position
sensor
(TPS),
replacing
130-26warnings
and
cautions
130-6
Fuel
filter
See
Maintenance
program