FUEL SYSTEM
FUEL SYSTEM
FUEL TANK INSPECTION
1. Remove the fuel tank.
2. Attach an air hose to the SST.
3. Plug the main and return fuel pipes a on the fuel
pump.
4. Connect the SST to Port A and plug Port B as
shown in the figure.
PLUG
5. Level the fuel tank.
6. Apply pressure to Port A and inspect operation of
the check valve.
• If not as specified, replace the fuel tank.
Condition Airflow
Apply below +2.9 kPa {+22 mmHg,
+0.87 inHg} pressure to Port A
No
Apply over +5.9 kPa {+44 mmHg,
+1.7 inHg} pressure to Port A
Yes
7. Turn the fuel tank upside-down with Port B
plugged as shown in the figure.
49 U014 001
PLUG
11. Apply pressure of +0.98 kPa {+7.4 mmHg, +0.29
InHg} to Port C and inspect if there is airflow from
Port A.
• If there is no airflow, replace the fuel tank.
FUEL PUMP RELAY REMOVAL/INSTALLATION
1. Disconnect the negative battery cable.
2. Remove the fuel pump relay.
3. Install in the reverse order of removal.
8. Apply pressure of +0.98 kPa {+7.4 mmHg, +0.29
inHg} to Port A and verify that there is no airflow
from Port C.
• If there is airflow, replace the fuel tank.
9. Turn over the fuel tank, and level it.
10. Connect the SST to Port C as shown in the figure.
F1-24
To Next Page
Loading...
