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Home >> Honda >> 1989 >> Civic Si >> Repair and Diagnosis >> Engine Performance >> System >> Basic Testing >> Fuel System >> Fuel Pressure >> Relieving Fuel Pressure (Fuel Injection)

Relieving Fuel Pressure (Fuel Injection)

Remove negative battery cable. Loosen fuel tank filler cap. Place clean shop rag around fuel filter. Slowly loosen 6mm service bolt on top of fuel filter (one complete turn) to relieve system pressure. Always replace washer under 6mm bolt after loosening.