Jlam Posted August 14, 2022 Share Posted August 14, 2022 How do you guys go about blocking the EGR valve? Mine is sticking & I am tired of loosing power when driving & seems like blocking it would help power & fuel? let me know what your guys thoughts on this are thanks! Quote Link to comment https://www.bigmacktrucks.com/topic/70284-mack-aset-egr-valve-block-off/ Share on other sites More sharing options...
Joey Mack Posted August 14, 2022 Share Posted August 14, 2022 I have never done it to a Mack.. On my svc. truck, 2002 Isuzu NPR.. I removed the egr valve and cut a piece of sheet metal, punched bolt holes, put it in between.. then plugged the vac. line.. catch my drift??? jojo 1 1 Quote Link to comment https://www.bigmacktrucks.com/topic/70284-mack-aset-egr-valve-block-off/#findComment-506349 Share on other sites More sharing options...
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