petehenry Posted August 9, 2014 Share Posted August 9, 2014 we have 01 mr688s that randomly starts cutting out at all speeds than u shut it off for 5 min and after ghat runs fine. we had it to dealer and they replaced #6 unipump because off broken spring an test drove everything work great so they say it fixed but next day back ta same prob so i put a gauge on the fuel line an the pressure jumps all over the place from 55-85 psi but its never steady at any speed. any ideas? Quote Link to comment Share on other sites More sharing options...
bts-4120 Posted August 9, 2014 Share Posted August 9, 2014 supply pump? Quote Link to comment Share on other sites More sharing options...
petehenry Posted August 10, 2014 Author Share Posted August 10, 2014 But why would shutting it off for 5 min fix it for the day? Than maybe next day it would run fine all day long. Quote Link to comment Share on other sites More sharing options...
Randy mckinney Posted August 15, 2014 Share Posted August 15, 2014 I had one do that too replaced fuel line from tank and problem fixed. Just an idea for ya. Quote Link to comment Share on other sites More sharing options...
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