LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Mazda >> 1981 >> RX-7 S >> Repair and Diagnosis >> Engine Mechanical >> Fuel System >> Deceleration Control System >> Testing >> Coasting/Shutter Valve
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Coasting/Shutter Valve

  1. Warm engine to normal operating temperature. Stop engine. Disconnect air cleaner-to-coasting valve hose at air cleaner. Start engine and run at idle. Place finger over disconnected hose; air should not be drawn into hose.
  2. Disconnect electrical connector from shutter solenoid valve. Air should be drawn into disconnected hose and idle should fluctuate. At the same time, the coasting valve rod should be pulled into coasting valve about .4  " (10 mm), opening shutter valve. If coasting/shutter valve does not respond as outlined, replace coasting/shutter valve.
scientia non olet · About LEMON Manuals