honda Workshop Repair Guides

Honda Workshop Service and Repair Manuals

Idle Speed/Throttle Actuator - Electronic > < Two-Way Valve <--> [Fuel Tank Pressure Release Valve]|Locations
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Two-Way Valve: Testing and Inspection

1.

Remove filler cap.

2.

Remove vapor line from fuel tank on all except 1985 Accord or from liquid/vapor separator on 1985 Accord. Connect suitable vacuum/pressure
gauge and pump to hose using T fitting if necessary.

3.

Slowly draw a vacuum while observing gauge. Vacuum should momentarily stabilize at .2-.6 inch Hg.

4.

If vacuum does not stabilize within specifications, replace valve and repeat test.

5.

Slowly pressurize vapor line while observing gauge. Pressure should momentarily stabilize at 1-2.2 inch Hg.

6.

If pressure does not stabilize within specifications, replace valve and repeat test.

Idle Speed/Throttle Actuator - Electronic > < Two-Way Valve <--> [Fuel Tank Pressure Release Valve]|Locations