Questions & Answers for: GMC Envoy o2 sensor

...O2 SENSOR THAT IS RIGHT ON THE MANIFOLD!!! THIS SAME PROBLEM HAUNTED ME FOR OVER 3 MONTHS!!! HUNDREDS OF DOLLARS LATER IT WAS A STUPID O2 SENSOR!!! THE SAD PART WAS... THE O2 SENSOR WAS STILL READING ...

...envoy o2 sensor Should i replace both my o2 sensors on my 2003 envoy at the same time? How easy is it to do? yes that is best that way you know they are both new Are you having a problem with

O2 Sensor Our check engine light continues to come on and we have been told that our O2 sensors need to be replaced. How difficult is it to replace these sensors? not very, but I own an 04 envoy, same

...o2 sensor 2002 GMC Onvoy Several codes indicate possible cylinder misfires. We changed plugs, fule filers. Now a code indicates possible o2 sensor. What are the possible symptoms of a failing o2 ...

...po 141 bank 1 sensor 2 oxigen but i replace bout sensor an the problem still there there are four O2 sensors,you need to check the sensor on the drivers side exhaust,the front O2 before the ...

...O2 sensor was replaced last year (supposedly) by GM dealership; however, the problem returned. Can you direct me to the location of the O2 sensor? Leave 02 sensor alone ,it is doing it's job . It is ...

...O2 sensor that is after the cat is much more difficult to change due to the wire connector. It's located darn near on top of the transmission, PIA, but doable. The first sensor is the one that will ...

...o2 sensor circuit bank1 sensor 1. P0134 is o2 sensor circuit no activety bank1 sensor 1.In other words the o2 sensor on the drivers side before the catalytic converter is bad and needs to be ...

...o2 sensor located on a 2006 GMC Envoy? My check engine light has come on and the Garage that we use says it is the o2 sensor causing the light to come on. I need to locate where it would be so that I ...

...o2 sensors are there on a 2002 gmc envoy There may be four. Bank 1, sensors 1, 2 and 3 and bank 2 sensor 1. This link will help you find the sensor that you need. ...