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Home >> Acura >> 1993 >> Integra GS-R >> Repair and Diagnosis >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation >> Fuel System >> Fuel Delivery >> Fuel Pump Main Relay
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Fuel Pump Main Relay

Main relay is located on left side of firewall. Main relay contains 2 individual relays. First relay operates with ignition on and supplies battery voltage to PCM, injectors and second relay (fuel pump power). PCM controls second relay for 2 seconds after ignition is turned on and whenever engine is running.