Fuel Trim Malfunction

[Squigs]

Ok so, my engine light came on a few days ago and its a fuel trim malfunction (bank 1)

The guy told me i needed a 02 sensor i think, was just wonderin if its hard to put in myself
I have no idea where they are located

 

[allwheelTSI]

They are pretty simple to replace, you will need a special socket to get them out and put the new one in though. You can rent it at Auto Zone.

It's ring at the fron of the engine on the O2 housing, below the heat shield.

 

[Locke]

These are often seized in place. Run the engine until the o2 housing is warm, or heat the area around the sensor with a torch, before attempting to remove it. It will turn right out.

 

[CompuBob_TSi]

if you do not have access to the special socket you can use a wrench if you are careful around your radiator, use a hammer to tap it loose.. I forget the exact size.
you will have to remove the A/C Fan to do this.

 

[erald01]

A regular ranch will do you don't need a special tool. If its seized just tap the wrench with the hammer.

 

[V8notENUF]

I just had mine out while doing a 14b swap, believe it was a 22mm. I chose to put some anti seize on upon install, if you plan to remove yours anytime soon, I would recommend doing the same.