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Home >> Honda >> 1987 >> Prelude Base, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Feedback Carburetor System >> Testing >> Frequency Solenoid Valve A >> Civic 1500

Civic 1500

  1. Disconnect air hose between air control valve A and frequency solenoid valve A at control valve and force air from air hose. Air should not flow.
  2. If air flows, apply battery voltage to frequency solenoid valve A (control box No. 2) Green/White wire and force air from air hose. If air flows, valve is okay. If air does not flow, replace frequency solenoid valve A and retest.
NOTE: For power steering models, frequency solenoids are located outside of control box No. 2.
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