fried ecu q31...what is it for?

f22_strike

ME
5+ Year Member
99 civic b18b1 swap b16 tranny obd2b harness with obd1 p75

Did tuck and shave put it all back together cut and replaced one sensor which i thought was for sensor on manifold runner to cylinder 1 i think now it was for the purge cylinoid which i no longer have...f fried transistor q31 on the board.. is this my problem?
 


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