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Home >> Ford >> 1990 >> Festiva L >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Testing >> Oil Pressure Warning Light >> Light Stays On With Engine Running

Light Stays On With Engine Running

  1. Turn ignition off. Turn ignition on (DO NOT start engine). Disconnect Yellow/Red wire from oil pressure switch connector. Light should go off.
  2. If light stays on, repair short in Yellow/Red wire between oil indicator light and oil pressure switch. Reconnect wire to switch. Light should be on with ignition on. If light does not go off when engine is started, check switch or engine for low oil pressure.