October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.

Fuel Pump Speed Control

Under normal driving conditions (low engine speed or low engine load), the fuel pump ECU applies 9 volts to the fuel pump. When the engine requires more fuel, the fuel pump ECU applies 12 volts to the fuel pump.