Ford Bronco 351w getting error code 95 and 96 related to secondary fuel circuit how do I start tracking the cause down?

To diagnose error codes 95 and 96 related to the secondary fuel circuit on your Ford Bronco 351W, start by checking the fuel injectors for proper operation and any signs of damage or blockage. Verify the wiring and connectors leading to the secondary fuel circuit for any shorts, corrosion, or loose connections. Inspect the fuel pressure regulator and the fuel pump to ensure they are functioning correctly. Finally, consult the vehicle's service manual for specific diagnostic procedures related to these codes.