1988 Ford F150 Engine Light

Question

I did the diagnostic test (key on engine running test useing a unfolded paper clip. i got 44,34 i need to know what these codes mean.thanks every one in advance

Answer 1

Code 44 Air management system (secondary air)

Code 34 EGR valve position sensor

Check the vacuum hose when 34 the EGR vacuum hose may be disconnected or the solenoid is non operational. For code 44 check the vacuum lines to the TAB / TAD solenoid