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Home >> Honda >> 1987 >> Civic DX, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Anti-AFTERBURN System >> Component Testing >> Vacuum Switch D

Vacuum Switch D

  1. Disconnect vacuum hose to vacuum switch D and connect a hand vacuum pump to hose. Apply vacuum to switch. Check for voltage at Red wire (1500 HF Fed.).
  2. Voltage should be available when vacuum below 1.2 in. Hg (1500 HF FED.) is applied. If there is no voltage, replace vacuum switch D and retest.
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