The good news is that changing sensors isn't too hard. The bad news is that there are four sensors on the exhaust (two pre-cat and two post-cat-- cat being catylitic converter). The rear ones run about $60 each and the front ones, according to my parts man, are about $120 each.
No special tool is needed, but try to get as much room under the truck as you can. All four sensors are visible and accessible. They are variously screwed into each of the exhaust pipes. To remove, I used a crescent wrench, but I think the nuts (part of the sensor) are 7/8. Find and disconnect the wire connector before unscrewing the sensor. (Note: there is a small clip that must be removed from the connector before you can lift the locking flange.) The new wire connector comes as a part of the new sensor.
From there, simply unscrew the old sensor, treat the threads on the new sensor (with the goop that's included in the box), screw it in, then reattach the wire connector.
This is probably not one of the most professional answers, but I hope it helps.
Just unplug the electrical connector and then unscrew the oxygen sensor out of the exhaust pipe.
driver side bank 1 before cat
It has 4 of them screwed into the exhaust system/pipes.
Bank 2 sensor 2 refers to the oxygen sensor on the passenger side of the exhaust system and after the catalytic converter. heater circuit is the oxygen sensor or the wiring going to it, it is what is called a heated oxygen sensor. Google image search oxygen sensor and that is what it looks like, and they can be a bear to get out.
Either before or after y pipe, or both, depends.
It has 4 of them and they are screwed into the exhaust system / pipes. Tere will not be any after the muffler.
I have the check engine light on and the code is for map sensor on my 1999 1500 Chevy suburban
How do you replace a starter in a 1999 suburban
You can't repair an o2 sensor,You'll half to replace it
An ox sensor is a sensitive component it can easily b damaged it should b replaced at 65 to 75,000 miles for optimum performance. Corrosion ,acids and temperature plus abrasion from carbon take its toll. Replace the sensor.
The 1999 Chevy Suburban camshaft sensor is located on the front of the engine. The camshaft sensor will be behind the front engine cover.
There is 1 before and 1 after the catalytic converter.