i took it to the honda dealer, and they say my engine is bone stock and still no map sensor, they say its the upper o2 sensor, and I checked everywhere b/c the price they told me was $452.96.... I checked all over the net, and for a before cat. converter five wire manual o2 sensor they run between $400.00-$424.00. I know i see it for myself, but dang i still feel like i'm getting rammed here. thx for the help guys.