Dirtdog Posted July 9, 2021 Share Posted July 9, 2021 (edited) 2010 500hp mp8 egr, engine stumbles almost as if accelerator has been momentarily lifted and then depressed again in half a second. Runs perfect otherwise, fuel economy is as usual, power is also normal. Any ideas fellas? Happens at light and full throttle. Much more noticeable at full Edited July 9, 2021 by Dirtdog Quote Link to comment https://www.bigmacktrucks.com/topic/67280-mp8-slight-stumble-1200-1600rpm/ Share on other sites More sharing options...
Ox50 Posted December 10, 2021 Share Posted December 10, 2021 Did you figure the issue out? Quote Link to comment https://www.bigmacktrucks.com/topic/67280-mp8-slight-stumble-1200-1600rpm/#findComment-484669 Share on other sites More sharing options...
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