mjhunt8138 Posted October 7, 2012 Report Share Posted October 7, 2012 Hi when driving along if I put my foot down to pick up speed it gets to a certain rpm about 4000 and then losses power for a secound and then speeds up again all the time . And when at stand still if you put your foot right down again the revs go up and down it will go to 4500rpm then drop to 4000rpm. Please help (vw fox 1.2cc 3 cylinder 06 plate) Quote Link to comment Share on other sites More sharing options...
Defcon5 Posted October 7, 2012 Report Share Posted October 7, 2012 Servicing up to date - plugs, air/filter etc?Any other symptoms, misfiring or anything?Does it sound any different from the exhaust Quote Link to comment Share on other sites More sharing options...
lupo pete Posted October 9, 2012 Report Share Posted October 9, 2012 Long shot (crank shaft sensor) Quote Link to comment Share on other sites More sharing options...
Lupopo Posted October 11, 2012 Report Share Posted October 11, 2012 rev limiter? 1 Quote Link to comment Share on other sites More sharing options...
Piers Posted October 18, 2012 Report Share Posted October 18, 2012 Diesel? Quote Link to comment Share on other sites More sharing options...
Blaine Posted October 18, 2012 Report Share Posted October 18, 2012 from the way the decribed it could possibly the clutch slipping. Quote Link to comment Share on other sites More sharing options...
Blaine Posted October 18, 2012 Report Share Posted October 18, 2012 Actualy if it was just clutch slip it would go all the way to the limiter Quote Link to comment Share on other sites More sharing options...
Oakgreen16V Posted October 29, 2012 Report Share Posted October 29, 2012 Beacuse its a Fox. 1 Quote Link to comment Share on other sites More sharing options...
daniel93 Posted November 4, 2012 Report Share Posted November 4, 2012 Well, the revs going to 4500rpm then cutting out before raising again is the rev limiter installed on every fox, I work for vw and road test foxes all the time and I own one too, they all do it so no need to worry there! On the other hand though the revs should raise and hold at about 4500rpm when at a stand still so no idea what the problem could be there! Quote Link to comment Share on other sites More sharing options...
MiiTCH-TDi Posted December 4, 2012 Report Share Posted December 4, 2012 Jambon? Quote Link to comment Share on other sites More sharing options...
pandamonium Posted January 8, 2013 Report Share Posted January 8, 2013 brake light switch Quote Link to comment Share on other sites More sharing options...
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