2000 Chevy 02 Sensor Delete?

[JordanSBC427]

Hello Everyone,

I have given my brother my old truck to drive for the winter, which is a 2000 Chevy 1500 4x4, it is a 5.3L 327. When I purchased the truck from the previous owner, he installed 02 sensor cheaters...which I believe just send the computer a signal saying hey....everything looks good down here...keep putting in "X" amount of fuel. I believe that these cheaters are now beginning to become pieces of $hit. There are 3 codes currently being displayed; P0135, P0140, P0158. Which are all 02 Sensor related errors. What i'm wondering about, is there any easy way of getting rid of these or tuning them out? Would I have to go into the tuning and basically make it run in open loop all the time and force a predetermined value in the Fueling Maps sort of thing? I should also add that this truck has the CAT's Removed, so there are no downstream 02 sensors...I will have to crawl under the truck when I get a chance here and double check.

Thank you,

Jordan.

[picnic_george]

p0135 is bank 1 sensor 1 heater code. O2 probably needs to be replaced.

The other 2 codes are rear o2 sensors, set those to not reported(along with all bank 1 and 2 sensor 2 codes).

[JordanSBC427]

Hey, thanks for the reply. Am I able to set them to "not reported" through the scan software or will I be doing this in the tune software?

Jordan.

[joecar]

Tunetool.

[JordanSBC427]

Ok thanks guys, I have located where to set the DTC's to "not reported"

So this will obviously stop it from kicking up codes. Will it have any effect performance wise? Even though they are no longer throwing codes, will it adjust any of my fueling? or do the O2 sensors downstream of where the cats would have been, have no effect of anything?

Thank you.

[joecar]

When a DTC is not reported, performance is left as is/normal (i.e. when a DTC is present, performance may be modified/degraded).