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Home >> Mercedes Benz >> 1994 >> E420 >> Repair and Diagnosis >> Engine Performance >> Remove, Overhaul & Install >> Engine Controls - Remove/Install/Overhaul >> Fuel System >> Fuel System Pressure Release >> Fuel Pressure Release
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Fuel Pressure Release

Disconnect fuel pump connector. Start engine. Allow engine to run until it stalls. Turn ignition off. Reconnect fuel pump connector.

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