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Home >> Ford >> 1992 >> Thunderbird Base, 5.0 T >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Basic Testing >> Fuel System >> Fuel Pressure Release >> All Others
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  1. Remove fuel cap to release fuel tank pressure. Remove relief valve cap. Relief valve is located on fuel supply manifold. Using EFI Pressure Gauge (T80L-9974-B), release fuel pressure from relief valve (Schrader valve).
  2. If fuel pressure gauge is not available, disconnect electrical connector to inertia switch located on left side of luggage compartment. Crank engine for 15 seconds to reduce system pressure.
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