Hamish Posted July 18, 2019 Report Share Posted July 18, 2019 Hi all, I've an intermittent boost issue with my Millenia S / EUNOS 800M. The vehicle cruises well and operates great under kick-down however boost periodically diminishes upon a light to normal acceleration. I appreciate its an old vehicle but its in great condition having just done 130k kilometers and i don't want to let it go. I note that the issue started around the time a periodic rough idle commenced. I think this is the EGR valve as the idle stabilizes if i blank off EGR vacuum line but hey i'm no mechanic. If anyone out there has any advice to share, i'd very much appreciate the feedback. Cheers - H Quote Link to comment Share on other sites More sharing options...
///BHRpowered Posted August 3, 2019 Report Share Posted August 3, 2019 Sounds like a vacuum issue. Vacuum line replacement was a common upgrade when these cars hit about 5-10 years old. You need about 32 feet of silicone hose to do it all. Quote Link to comment Share on other sites More sharing options...
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