It will depend on the engine size. All will have 1 before the catalytic converter and 1 after each one.
They are located before and after the catalytic converters in the exhaust system.
A 2003 Chevrolet Impala typically has four oxygen sensors. There are two upstream (pre-catalytic converter) sensors and two downstream (post-catalytic converter) sensors. The upstream sensors monitor the air-fuel mixture, while the downstream sensors help check the efficiency of the catalytic converter.
There is one before the catalytic converter and one after.
There is one before and one after the catalytic converter.
Yes, one before and one after the catalytic converter.
There are approximately 2 oxygen sensors on a 2005 Chevrolet Astro van. The oxygen sensors can be purchased at stores such as NAPA.
There is NO Oxygen Sensor in the Gas Tank.....
where is the oxygen sensor located on a 1997 Chevrolet lumina
2002 Chevrolet Tahoe has two oxygen sensors How do I check them ?
You should repair it as soon as possible because it can cause the catalytic converter or oxygen sensors to go bad. Then you are spending money you could have saved.
There is more than one O2 sensor and they are all threaded into the exhaust system at various points.
Oxygen bags? Are we talking air bags or oxygen sensors?