LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Mazda >> 1989 >> RX-7 Turbo >> Repair and Diagnosis >> Engine Performance >> System >> Basic Testing >> Fuel Pressure >> Fuel Injection Models >> Fuel Pump Circuit
September 30: LEMON manuals is back up on a temporary server! Slowness is possible

Fuel Pump Circuit

  1. Turn ignition on. Connect the terminals of Yellow fuel pump check connector with a jumper wire. Fuel pump check connector is located on firewall, by airflow sensor on RX7.
  2. Listen for fuel pump operating sound. If there is no sound, check main fuse, circuit operating relay, fuel pump and all electrical connections.
  3. Circuit opening relay and fuel pump relay on RX7 are controlled by the computer. For additional testing see TESTS W/CODES article or SYSTEM/COMPONENT TESTS article.
scientia non olet · About LEMON Manuals