Dutchie2007 Posted May 31, 2015 Share Posted May 31, 2015 I have a 2000 CX 460 etech n my inlet manifold pressure is goin anywhere from 10 to 25 psi or in between. Sometimes it responds to my accelerator pedal, sometimes none. When it does its very slow or intermittent . I changed fuel filters , I checked check valve and looked at transfer pump but how can you tell it's failing ?Please give me an answer, it feels like I have a part time turbo on my truck!!? Quote Link to comment https://www.bigmacktrucks.com/topic/40262-manifold-pressure-all-over-the-place/ Share on other sites More sharing options...
rick harper Posted June 11, 2015 Share Posted June 11, 2015 Should produce between 30/35psi. check for leaks in the intercooler or the hoses. Quote Link to comment https://www.bigmacktrucks.com/topic/40262-manifold-pressure-all-over-the-place/#findComment-292944 Share on other sites More sharing options...
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