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Honda
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1989
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Prelude L4-1958cc SOHC
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Repair and Diagnosis
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Specifications
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Pressure, Vacuum and Temperature Specifications
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Powertrain Management
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Fuel Tank Pressure Release Valve
Fuel Tank Pressure Release Valve
Valve opens when applying:
Vacuum
5-15mmHg (0.2-0.6 in.Hg)
Pressure
10-35mmHg (0.4-1.4 in.Hg)