Dont have to clear codes after setting the timing.
The Code 67 you had earlier was probably because the
tranny was in gear while the KOEO test was Ran. Thats the reason why if didnt show up in the running test.
44 - Secondary Air System Inoperative. bank one, passenger side
I would check the Cross over tube at the back of the Head, and make sure its not clogged up. If not, The Next step would be to see if the TAB and TAD solenoids are actually pulling vacuum. If they are, Then the next step would be to see if the Vacuum is actually opeing the Air Diverter valves.
33 - EGR Valve Opening Not Detected
Make sure that the EGR solenoid is pulling vacuum, check it at the EGR valve vacuum port
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89 Coupe
302- Canfield 195's, Comp Cams 1.6rr, Jay Allen Custom Grind, Systemax Intake, 75mm TB, 75mm Pro-M. 24lbs Injectors, Underdrives, Hooker Super Comp headers, 4.10's