greendog32 Posted July 12, 2013 Share Posted July 12, 2013 oil pressure gauge went crazy.one sec it would be pegged next it would go to zero.finally other day it wouldn't work at all.so i tried to get through day and fix that night but truck wanted to regen and tried but it couldnt.so ilimped to dealer and they couldnt get it to regen either.left it overnight and next day they said they changed sensor and thats it,regen worked.does that seem right,could sensor keep it from regening. Quote Link to comment https://www.bigmacktrucks.com/topic/31910-oil-preesure-gauge/ Share on other sites More sharing options...
j_martell Posted July 12, 2013 Share Posted July 12, 2013 If it's electronic, it would tell the computer something ain't right. before a regeneration, on my 2011 at least, truck has to be in neutral, pto out, etc. All kinds of "self checks" within the computer, and I'm not positive, but adequate oil pressure would be one of the criteria.......just my two (worthless canadian) pennies. Quote Lack of planning on your part does not constitute an emergency on my part.... Link to comment https://www.bigmacktrucks.com/topic/31910-oil-preesure-gauge/#findComment-193798 Share on other sites More sharing options...
turckster Posted July 19, 2013 Share Posted July 19, 2013 If you have an active fault (oil psi for example) then the engine ecu will prevent a regen to protect the engine. Its quite common for the oil psi sensors to fail so that's no biggie. Quote Link to comment https://www.bigmacktrucks.com/topic/31910-oil-preesure-gauge/#findComment-194805 Share on other sites More sharing options...
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