2004 Honda Civic Main Relay. New Product Fit. The main relay sends power to the fuel pump and other systems on most Hondas of this vintage. 3 Go to the right side of the dash remove the glove box. If so the main relay is okay.
Honda civic PGM-FI Relay test Instructions. If your Honda civic has no power to fuel pump or no power to ECU. Engine Control Module Wiring Relay. Location and descriptions of the fuses of the under-hood fuse box for 17L 2001-2004 Honda Civic DX EX and LX. A very common and well-known problem with 90s Hondas is a failure of the main relay. The main relay of an automobile is undoubtedly one of the most important and essential components of a car.
3 Go to the right side of the dash remove the glove box.
1 Put the ignition on and listen if the fuel pump is running. 1-4 of 4 Results. A special note on Hondas here. 4 On the right side is the PGM-FI. EnginePowertrain Control Module ECMPCM Air Fuel AF Ratio Sensor Relay. Fuel Pump Circuit Opening Relay.