To change the oxygen sensors on a 2000 Infiniti QX4, first, ensure the vehicle is parked on a level surface and the engine is cool. Locate the oxygen sensors; there are typically two upstream (before the catalytic converter) and one or two downstream (after the converter). Disconnect the electrical connectors, use a wrench or socket to unscrew the old sensors, and install the new ones by reversing the process. Finally, reconnect the electrical connectors and clear any diagnostic trouble codes if necessary.
where are the oxygen sensors on a 2000 Pontiac grand am and how do you change them?
There are total 4 O2 sensors. You can buy all 4 from Oxygen Geek and will cost about $260.
It cost me $850 to put 2 oxygen sensors on my 2000 i30 Infiniti at Miller Infiniti. I had to do this because my check engine light was on and a smog test was due. It would not have passed if I did not do this. They are probably "crooked", but what can you do?
I have a 2000 olds alero 4 clylinder and yes it has two oxygen sensors!! I have a 2000 olds alero 4 clylinder and yes it has two oxygen sensors!!
There are two o2 sensors on this car.
it has 2
3
4
There are two.
Top of the head
Unplug old sensor, unscrew with a 7/8 inch wrench. Reverse steps to install.
Pretty expensive, apparently. My check engine light was on; The dealer diagnosed it as "the front and rear oxygen sensors on bank 1 not working." Charged me $223.52 ea. for the two sensors and just about $300 for labor. I was searching to see what others have been charged.