please help me
 

have an engine D15b vtec-e with P07-000 ecu,implant in honda ef..now i have this CEL !....!!..!!..!!..!!..!!..!!..!! and so on..i think this is code 2 so i check over the net its O2B sensor then i check the sensor i got 5 wire O2 before catalytic then after catalytic i saw this 1 wire sensor and its not connected to anything..i dont know where to plug it and is this the CEL code 2?

hope you direct me to any link to check and if ever you know the answer help me please..


thanks in advance

Hmm, my 93 Civic doesn't have anything after the cat, I checked the Haynes manual and it doesn't list a Code 2 for Civic. Are you sure it's not a 22? (Vtec pressure switch)