LEMON Manuals: Even more car manuals for everyone: 1960-2025

Home >> Honda >> 1981 >> Prelude Automatic Trans >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Air Intake Control System >> Operation >> Check Valve

April 5, 2026: LEMON Manuals is launched! Read the announcement.

Check Valve

This valve acts to prevent vacuum pressure loss during periods of wide-open throttle.

scientia non olet · About LEMON Manuals