Hi guys. I have a 2004 Acura TL, automatic, and I pulled an engine code the other day which was: P2628, rear AF sensor: Failed AF sensor. Can someone please show me a diagram of where this is located, exactly? Also, can someone else tell me how many O2 sensors this car has?

HELP!!

THANKS!

 

the car has 4(Four) 02 (oxygen) sensors.

2 on each bank.

spark plug and cylinder info:
Firewall
123
456
Radiator.

 

Okay.. so can someone show me exactly where this one is located, please?

thanks!

 

i researched the code, i think its the bank 1 upstream 02 sensor. but im totally not sure if its the upstream one or not..

so, we know its bank 1, which is the bank closest to the firewall.
you can remove the strut bar going across the strut towers to gain easier access to the 02 sensors along bank 1 for the upstream.

the downstream, you can get to from the bottom.