I just got the code 0707... My question is to just clarify that the rear heated 02 sensor is the Downstream sensor?? This is the one if the rear-half on the cat. am I correct? Thanks for the help guys

yup......that is correct......i dunno y they say rear downstream cause there is only one rear sensor

They say that because the front heated o2 sensor (right bank) can also be referred to as the rear upstream o2.

ahhhhh i c what u are saying....