Im not sure which engine I have, 2.3L A1orA4.
2002 EX ULEV iVTEC
So Denso is the OEM sensor which is what I want to buy! Right
Which one HERE (http://www.autopartswarehouse.com/search/?D=oxygen+sensor&Ntt=oxygen+sensor&Dx=mode+matchallpartial&Ntk=Main&Ntx=mode+matchallpartial&N=1631+4294967265+10605&Nty=1&V=1631+4294967265&Vh=2002%20Honda)

Thanks in advance
Dave

Look at your VIN & compare what you find to this chart.... then you'll know which engine you have:

CG6 = F23A4 :thmsup:

WOW Best online price for OEM for front sensor
$198.00 :jawdrop::censored: