acura Workshop Repair Guides

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Fuel Gauge Sending Unit <--> [Fuel Tank Unit] > < Two-Way Valve <--> [Fuel Tank Pressure Release Valve]|Specifications|Page 4164

Integra (GS-R) L4-1797cc 1.8L DOHC (VTEC) (1994)

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Two-Way Valve Pressure Test

5.

Slowly pressurize the vapor line while watching the gauge.  Pressure should stabilize at 25 to 55 mmHg (1.0 to 2.2 in.Hg).

a. If pressure momentarily stabilizes (valve opens) at 25 to 55 mmHg (1.0 to 2.2 in.Hg), the valve is OK.
b. If the pressure stabilizes below 25 mmHg (1.0 in.Hg) or above 55 mmHg (2.2 in.Hg), install a new valve and retest.

Fuel Gauge Sending Unit <--> [Fuel Tank Unit] > < Two-Way Valve <--> [Fuel Tank Pressure Release Valve]|Specifications|Page 4164