PL720 2WD L4-1952cc 2.0L SOHC (Z20) (1985)
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Deceleration Valve: Testing and Inspection
Anti-Backfire Valve
1.
Run engine until normal operating temperature is reached.
2.
Disconnect hose from air cleaner assembly and place a finger near outlet.
3.
Momentarily increase engine speed to approximately 3000 RPM, then return to idle. If no vacuum is felt at the air cleaner outlet, the valve is
defective and must be replaced.
