please help!!! obdo CODE43

[ziggyb20b]

My 90 teg I showing code 43 (fuel supply system) I've replaced everything except the pump!!! What sensor or sensors set off that code??? Please help I love my integra

 

[evilneo]

any problems with horsepower?

 

[89' Project Civic]

Check your main relay. If needed, take apart and resolder the joints, this MAY solve the problem.