Questions & Answers for: Chevrolet Silverado 2500HD o2 sensor

...sensor No and No...And it's the "MAS". "Unhooking" the MAS will place your ECM in the "limp back" mode...in other words it will run like ****. Did you try the O2 sensors (3)? These are notorious for ...

...O2 sensor has gone bad so you can replace it. Your going to have Two upstream O2 sensors on each exhaust bank, one O2 sensor before the Catalytic Converter, and the last one after the Catalytic ...

replaced o2 sensor twice in one week keep getting same code whats the code, and what tests have you done that tells you the sensors are bad (you havent be to the otto zoo have you)

...sensors are pretty simple animals and don't require a special socket, to my knowledge, like say O2 sensors. Just get a wrench that fits it to remove or replace the

...is the knock sensor bad? or should i replace the o2 sensor to see if it cures the knock sensor prob. What you should do, is have the truck diagnosed for ignition misfires,that effect the knock & ...

...o2 sensor -i wasnt sure my friend new what he was doing so took to auto zone now they say the computer wont read auto zone reader will sometimes not read codes. take it to your local garage and ask ...

...sensor what is bank 1 And bank 2 Loss of power, hard to start, back fire when starting. Once started idels great. Normally you replace however many O2 Sensors you have,that are the closest to the ...

the check engine light came back on and gave me codes PO140 and PO 160. What do I do now? O2 sensor circuit. No activity detected. Bank 2 sensor 2. Take it back to the garage. They did something wrong

O2 sensor? Which O2 sensor is a PO135 in a 6.0 bank 1 sensor, bank 1 sensor 2 or bank 2 sensor 1, bank 2 sensor 2? O2 sensors are always after the cat converter and HO2S sensors are always before the ...

...2500hd w/6.0 litre engine - truck has 12 - how do I find out codes? your truck should only have 4 o2 sensors two upstream and two down stream. P0171=system too lean, P0174 I= bank2 ...