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Home >> Mercury >> 1992 >> Cougar LS, 3.8 4 >> Repair and Diagnosis >> Engine Performance >> Remove, Overhaul & Install >> Engine Controls - Remove/Install/Overhaul >> Fuel System >> Fuel System Pressure Release >> 1.8L & 1.9L
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1.8L & 1.9L

Depress retaining clips and remove rear seat cushion. Disconnect fuel pump connections. Start engine and operate until it stalls. Turn off ignition and reconnect fuel pump. Install rear seat cushion.