dieseldoc Posted May 29, 2014 Share Posted May 29, 2014 99 f-350. Exhaust back pressure sensor is only used to control the back pressure valve for warm up in cold ambient temps?? Or is it also used as a reference along with map for control of the wastegate? Thanks for the input guys Quote Link to comment Share on other sites More sharing options...
lmorris Posted May 29, 2014 Share Posted May 29, 2014 EP sensor is only used for the back pressure valve. Wastegate operation is based on the MAP only. Quote Link to comment Share on other sites More sharing options...
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