isx after treatment

[Rawze]

(08-25-2020 )skunky Wrote:  maybe this has been discussed before,what if particle filters were removed? just run a regular muffler, but still use the exhaust temperature sensors, this would be on 2008 isx cm871,would this help do away with all the pesky codes,would the motor still operate as it should, would the ecm think every thing is normal?

EPA requires programming inside the ecm to detect any types of tampering... if that ECM does not see the soot build up and then have to be burned off ... and see it properly being burned off later ... then it will absolutely know it has been tampered with.