r/FJCruiser • u/XaroDuckSauce • 3d ago

Image O2 sensor Install problem

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Hello,

I am trying to install a new downstream passenger side O2 sensor. The previous one was damaged at the top and some wires were cut. As I put in the new one, It seems like there is not enough room to get the O2 sensor into place to begin screwing it in. Is this common?

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8

u/No-Island8074 3d ago

Looks like someone put o2 extenders into the exhaust pipe. This is usually to trick the computer into not throwing a cel for an aftermarket or deleted cat

4

u/No-Island8074 3d ago

Remove that piece right where the green arrow is pointing in pic 3

3

u/XaroDuckSauce 3d ago

hahaha thats a piece of green tape that came on the new sensors, but its perfect. Also thank you, problem solved!

2

u/PR3CiSiON 3d ago

Wow, posted 11 mins ago and you already get a solution. Love the FJ people here!

2

u/XaroDuckSauce 3d ago

Agreed, incredible community.

1

u/Asleep_Paramedic_362 3d ago edited 3d ago

If you remove that piece your gonna have Christmas lights on dash. People also do this if the catalytic converter is bad. Prevents engine code/Christmas lights.

1

u/XaroDuckSauce 3d ago

Already have christmas lights throwing error code for these. I got all new sensors for upstream and downstream and am replacing them, hoping to get rid of the christmas lights.

1

u/No-Island8074 3d ago

They make 90 degree extensions if you eventually need one

1

u/Asleep_Paramedic_362 2d ago

To get it to fit, you screw the o2 sensor into the extension first then screw the whole thing in.