Map/Mat Sensor; Ignition Coil; Fuel Filter - Briggs & Stratton VANGUARD M490000 Repair Manual

3. Install second Phillips screw on opposite side, and
alternately tighten screws to 35-52 lb-in (4-6 Nm).
4. Install access cover. See Access Cover/Blower
Housing, Installation, steps 7-10.

MAP/MAT Sensor

Removal
1. See Access Cover/Blower Housing, Removal.
2. Pull out red secondary lock and press latch to
disconnect MAP/MAT sensor connector.
3. Remove hex flange screw to release sensor flange
from intake manifold.
4. Remove sensor from intake manifold.
Installation
5
1. Lightly lubricate O-ring of new MAP/MAT sensor.
2. Install sensor into intake manifold aligning hole in
flange with hole in intake manifold.
3. Install hex flange screw and tighten to 78- 96 lb-in
(9-11 Nm).
4. Connect MAP/MAT sensor connector. Push in red
secondary lock to secure.
5. See Access Cover/Blower Housing, Installation.

Ignition Coil

Removal
1. See Access Cover/Blower Housing, Removal.
2. See Figure 22. Remove two hex flange screws to
release ignition coil from intake manifold mounting
bosses.
NOTE: Do not cut cable strap on inside mounting
boss. Cable strap is installed on ignition coil socket
connector and is used for EFI wire harness retention.
3. Disconnect ignition coil connector.
4. Remove high tension lead from spark plug terminal.
Installation
1. Loop cable strap on ignition coil wire harness socket
connector around inside mounting boss on intake
manifold.
2. Connect ignition coil connector.
3. Install two hex flange screws to fasten ignition coil to
intake manifold mounting bosses. Alternately tighten
screws to 35-52 lb-in (4-6 Nm).
4. Install high tension lead onto spark plug terminal.
5. See Access Cover/Blower Housing, Installation.
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Fuel Filter

Removal
1. Relieve fuel system pressure. See CHECK/RELIEVE
FUEL SYSTEM PRESSURE in this section.
2. Squeeze hose clip and remove fuel inlet hose from
fuel filter fitting.
NOTE: Wrap shop towel around fuel filter fittings to
catch any fuel leakage.
3. Squeeze hose clip and remove fuel outlet hose from
fuel filter fitting.
Installation
1. See Figure 23. With the arrow pointing in the direction
of fuel flow, install new fuel filter between fuel inlet
and outlet hoses.
2. Turn ignition switch ON for two seconds, and then
OFF for 10 seconds. Turn the ignition switch back to
ON and check for fuel leaks.
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