Stats:

1997 F150 XLT 4x4, 4.6L engine
Mileage: 185k

Last week an O2 sensor went down on me. The OBD reader said it was Sensor 2 in Bank 2, which is behind the cat-converter.

I changed the damn thing out this weekend but soon after my check engine light came on again.

I changed the O2 sensor on the passenger side of the truck behind the cat-converter.

Did I get my banks wrong? Is Bank 2 actually on the driver's side?

Either way I have to get back on the cold, wet ground and get this thing out. Gas is too expensive for this!

 

Yes, bank 2 is the driver's side.

 

Damn! lol

Isn't cylinder 8 on the driver's side too?

Last year I cylinder problems on #8 (I think) so I replaced the plug wire on that side and it cleared up the problems.

I don't remember what my thought processes were and how I derived the plug wire I changed was #8 but somehow I got it right!

(Actually now that I think about it I wasn't sure about cylinder 8 and replaced wires on both sides of the engine block)

Anyway, thanks for the info!

 

Yes, #8 is on that side too. Cylinders go 1-4 front to rear on the passenger's side, 5-8 on the driver's side.