Forgot to add also P0133 is a code for upstream sensor, so pre catalyst (green factory connector) RH side B1 S1 just to clear up the confusion.
JW

 

Hi Jay. Thanks for the info. Do you have a reference for whether P0133 is upstream or downstream? All my searches result in that it is downstream and thus after the cat. I was wondering if this is something specific to Aston, Volvo or Jags?

 

P0133 is the same on any vehicle, bank 1 sensor 1. Sensor 2 would be downstream. Some diagnostic procedures tell you to reference downstream sensor for comparison to upstream.

 

Great advice, always replace both b()()bs at the same time.

I thought these were Lambda sensors? Just did my upstreams, bought them from bits since the exchange rate is so good and I had alot of credit. Bought a clean pair of headlights off ebay so did the door struts, side indicators, fead belt, and air filters while I had the airboxes out. No wonder there are so many broken airboxes trying to get those to expand over the flanges. Adjusted the emergency brake and called it for now. Next stop rotors, pads and tires. Still need to get the black eye fixed but try getting a light bucket.

 

For the Upstream sensors, I replaced the OEM ones with OZA816-EE1 and passed emissions in a breeze. I also tried the NTK 22009's and those tripped off the Check Engine Light immediately after installation.

 

Good to know, what year is your car? and I was told that the Upstream and Downstream are the same just the cable is different lenght

 

anyone know if these part #s are same for 2009+ 4.7?

 

Just want to confirm
22106 for fronts
22009 for the rear.
I have a 09+ 4.7L if that makes a difference.

Can anyone please confirm