Fuel/Lubrication/ Cooling ! WARNING Whenever any maintenance or inspection is performed on the fuel system during which there may be fuel leakage, there should be no welding, smoking, open flames, etc., in the area.
TROUBLESHOOTING
FI691A
1. Verify that the electric fuel pump is operating by listening for a “whirring” sound for several seconds after the ignition switch is turned to the ON position. If no sound can be heard, see Electrical System - EFI Sensors/Components.
4. Disconnect the TMAP sensor connector, ISC connector, and TPS connector; then loosen the clamp securing the throttle body to the intake manifold boot and slide the throttle body out.
2. Check for a flashing EFI icon on the LCD. If EFI is flashing, see EFI Diagnostic System in the Electrical System section. 3. Make sure there is sufficient, clean gas in the gas tank. SPECIAL TOOLS
A number of special tools must be available to the technician when performing service procedures in this section. Refer to the current Special Tools Catalog for the appropriate tool description. NOTE: When indicated for use, each special tool
will be identified by its specific name, as shown in the chart below, and capitalized. Description
p/n
Oil Pressure Test Kit
0644-495
Tachometer
0644-275
Fuel Pressure Test Kit
0644-571
NOTE: Special tools are available from the Arctic Cat Service Department.
Throttle Body REMOVING
1. Remove the heat shields and seat. 2. Disconnect the negative battery cable; then remove the gas tank (see Gas Tank in this section).
! WARNING Gasoline may be under pressure. Place an absorbent towel under the connector to absorb any gasoline spray when disconnecting.
3. Loosen the clamp securing the intake boot to the throttle body; then loosen the clamp securing the intake boot to the intake housing and slide the intake housing rearward.
FI528C
5. Remove the throttle arm cover and loosen the throttle cable jam nut; then disconnect the throttle cable and remove the throttle body. INSTALLING
1. Connect the throttle cable to the throttle arm; then install the throttle cable housing in the throttle body and tighten the jam nut. Install the throttle arm cover and secure with two machine screws. 2. Place the throttle body into the intake manifold boot and tighten the boot clamp securely. 3. Connect the TPS connector, ISC connector, and the TMAP sensor connector. 4. Place the intake housing into the boots and tighten the boot clamps securely. 5. Install the gas tank; then the heat shields and seat. 6. Check throttle cable free-play (see Periodic Maintenance/Tune-Up). NOTE: If the throttle body, ECM, TPS, or ISC are replaced, the EFI system must be synchronized. Use the following procedure.
1. With the key off, depress the throttle lever to Wide Open Throttle (WOT). 2. Place the ignition key in the ON position and wait for 10 seconds. 3. Release the throttle lever and wait an additional 10 seconds.
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