Z-3 Posted October 23, 2017 Share Posted October 23, 2017 we have a 2013 MP10 in a Titan. it won't build boost past 30psi, and falls flat on its face. It has been back to mack on and off for over a month now. Injectors changed, turbo changed, egr changed and some sensors. any input here would be great help. Quote Link to comment https://www.bigmacktrucks.com/topic/51485-mp-10-low-boost/ Share on other sites More sharing options...
fjh Posted October 23, 2017 Share Posted October 23, 2017 any engine codes ?Charge air checked? Ambiant air temp sensor reading correct? Also if you put an MP8 boost sensor in It may help!we accidentally put one in a few years back it made the bloody thing into an animal However if its still under warranty be carefull! And last week we found one with a crack in the venturi tube on the front of the engine on the back side not visible at first we were also looking for 5 psi or so missing boost we found it there NO CODES! just some suggestions! Quote Link to comment https://www.bigmacktrucks.com/topic/51485-mp-10-low-boost/#findComment-383276 Share on other sites More sharing options...
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