Oxygen sensor is just that it detects oxygen in the engine.
O2 sensor head gasket.
Oxygen sensor o2 what else could cause rich or lean codes replacement of a good oxygen sensor o2 is a common mistake made by diy mechanics all the time.
I hope they u changed the plugs but the blown head gasket will cause damage to the o2 sen and the cat.
The code indicates the o2 sensor is on the same side of the engine that i see burnt coolant.
If there s a head gasket leak then yes it could.
If its a coolant type leak.
More than likely the fuel lines were removed or replaced which triggered the o2 sensor to go off.
Kax 234 4209 oxygen sensor original equipment replacement 234 4209 heated o2 sensor air fuel ratio sensor 1 sensor 2 upstream downstream 1pcs 4 4 out of 5 stars 16 26 99.
I m worried that i have a blown head gasket that is leaking slowly out of that corner of the head.
I have also been getting oxygen sensor codes being thrown every month or so the check engine light typically goes away.