cxn613 Posted December 1, 2015 Share Posted December 1, 2015 Getting code mid 128 ppid 270 fmi 5. Was wondering what wires should have current at the plug of module and if when module and sensor is replaced does any computerized resetting need done? Thanks Quote Link to comment https://www.bigmacktrucks.com/topic/42893-mp-8-nox-sensor/ Share on other sites More sharing options...
Mackpro Posted December 1, 2015 Share Posted December 1, 2015 Remember that 2010 and up SCR/DEF trucks have 2 NOX sensors 1 Quote Link to comment https://www.bigmacktrucks.com/topic/42893-mp-8-nox-sensor/#findComment-313733 Share on other sites More sharing options...
cxn613 Posted December 1, 2015 Author Share Posted December 1, 2015 Its a 2008. The black cover on module is cracked open Quote Link to comment https://www.bigmacktrucks.com/topic/42893-mp-8-nox-sensor/#findComment-313736 Share on other sites More sharing options...
wheeler73 Posted December 2, 2015 Share Posted December 2, 2015 Replace the sensor. Guided diagnostics will tell you to replace the sensor and retest. The sensor does not start reading untill it is at around 480 deg for 10min. The learned data needs to be reset. The sensor does not do much as it was installed to get ready for the 2010 emissions. Quote Link to comment https://www.bigmacktrucks.com/topic/42893-mp-8-nox-sensor/#findComment-313809 Share on other sites More sharing options...
bbigrig Posted December 15, 2015 Share Posted December 15, 2015 I believe the NoX sensors were updated versions from what it was delivered with for that model year as well. Quote Link to comment https://www.bigmacktrucks.com/topic/42893-mp-8-nox-sensor/#findComment-315802 Share on other sites More sharing options...
cxn613 Posted December 15, 2015 Author Share Posted December 15, 2015 Thanks for the help Quote Link to comment https://www.bigmacktrucks.com/topic/42893-mp-8-nox-sensor/#findComment-315910 Share on other sites More sharing options...
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