Alden999 Posted April 17, 2017 Share Posted April 17, 2017 Hi all, my car seems to keep going into 'limp mode' as I hit around 80 mph and at certain revs.. turn the engine off and on again and it will clear it, the emission control light came on when this happened.. I've changed the maf sensor so that's one diagnostic covered.. any help much appreciated! Quote Link to comment Share on other sites More sharing options...
Trevor Posted April 17, 2017 Share Posted April 17, 2017 Sounds like the turbo boost regulator being a bit sensitive....sometimes if it kicks in on overboost situations this can be down to clogged up vanes in the turbo....maybe run some cleaning additives through the engine/turbo and see if that improves things Quote Link to comment Share on other sites More sharing options...
Alden999 Posted April 17, 2017 Author Share Posted April 17, 2017 Thanks mate, what could I use and how to use it to clean it? Cheers, I'm quite new to this Quote Link to comment Share on other sites More sharing options...
Trevor Posted April 17, 2017 Share Posted April 17, 2017 You could try this one http://www.ebay.co.uk/itm/Diesel-Engine-Turbo-Cleaner-Cures-Limp-Home-Mode-Variable-Vane-Turbos-/152003334878?hash=item23641ad2de:g:lQ4AAOSwZ8ZW2O4l Otherwise, there are some posts on here about cleaning the turbo vanes and Mr Muscle or similar has been suggested to use (cheaper alternative) Quote Link to comment Share on other sites More sharing options...
Alden999 Posted April 17, 2017 Author Share Posted April 17, 2017 Thanks for your help mate 1 Quote Link to comment Share on other sites More sharing options...
Guest fubar77 Posted June 21, 2019 Share Posted June 21, 2019 try the Exhaust Re-circulation Valve (EGR) located at the intake manifold at the front of the engine. it might need cleaning. Quote Link to comment Share on other sites More sharing options...
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