mossy835 Posted January 3, 2016 Report Share Posted January 3, 2016 when cold its going well. when its hot it at 30, and 40 mile and hour, it starts to surge if you put your foot down its ok,going though a 30 mile an hour limet its hard to keep it on 30.any ideas, thanks Quote Link to comment Share on other sites More sharing options...
B391 Posted January 3, 2016 Report Share Posted January 3, 2016 do you lose power at higher revs, could be the MAF sensor. Google for symptons, not an expensive part and an easy fit. Quote Link to comment Share on other sites More sharing options...
bluesj Posted January 3, 2016 Report Share Posted January 3, 2016 What vehicle is it? Quote Link to comment Share on other sites More sharing options...
ditchman Posted January 3, 2016 Report Share Posted January 3, 2016 what engine is it ? Quote Link to comment Share on other sites More sharing options...
mossy835 Posted January 3, 2016 Author Report Share Posted January 3, 2016 ford fiesta van, 1.8 engine. do you lose power at higher revs, could be the MAF sensor. Google for symptons, not an expensive part and an easy fit no put your foot down and its ok Quote Link to comment Share on other sites More sharing options...
dead eye alan Posted January 3, 2016 Report Share Posted January 3, 2016 (edited) Sounds like vacuum or air leak on induction, if its a turbo may be hole in air cooling rad. Edited January 3, 2016 by dead eye alan Quote Link to comment Share on other sites More sharing options...
bluesj Posted January 3, 2016 Report Share Posted January 3, 2016 Could be also the throttle position sensor, check the the plug on the peddle Quote Link to comment Share on other sites More sharing options...
mossy835 Posted January 3, 2016 Author Report Share Posted January 3, 2016 Sounds like vacuum or air leak on induction, if its a turbo may be hole in air cooling rad. no turbo Quote Link to comment Share on other sites More sharing options...
mossy835 Posted January 4, 2016 Author Report Share Posted January 4, 2016 van is out the garage so we will see what it is.tomorrow Quote Link to comment Share on other sites More sharing options...
Paul223 Posted January 4, 2016 Report Share Posted January 4, 2016 Plastic fuel pipes at rear of engine ok? No splits or rubs Quote Link to comment Share on other sites More sharing options...
Essex Keeper Posted January 4, 2016 Report Share Posted January 4, 2016 fuel filter Quote Link to comment Share on other sites More sharing options...
mossy835 Posted January 4, 2016 Author Report Share Posted January 4, 2016 fuel filter fuel filter was changed last year. Quote Link to comment Share on other sites More sharing options...
subsonicnat Posted January 4, 2016 Report Share Posted January 4, 2016 They need frequent fuel filter changes, Last year, When,, sounds either like overflow pipes,maff sensor,bleed air filter first,check air filter leaves, dust,.. Sensors on exhaust,oxygen sensor,<<<Take these OFF,See if it makes a difference,if it doesn't, cheap way of checking.... of course,GET YOUR CODES READ ANYWAY... ATB. Quote Link to comment Share on other sites More sharing options...
mossy835 Posted January 6, 2016 Author Report Share Posted January 6, 2016 he put it on the reader, and it came up manifold sensor.he is fitting it tomorrow, Quote Link to comment Share on other sites More sharing options...
Bad Monkey Posted January 7, 2016 Report Share Posted January 7, 2016 he put it on the reader, and it came up manifold sensor.he is fitting it tomorrow, Tomorrow is now today, has he fixed it? Quote Link to comment Share on other sites More sharing options...
mossy835 Posted January 7, 2016 Author Report Share Posted January 7, 2016 (edited) yes its a lot better now,new fuel filter, and manifold sensor,still a little bit of jerking but at a lower speed,but engine sounds better now,will take it back in a week to see if it will settle down. Edited January 7, 2016 by mossy835 Quote Link to comment Share on other sites More sharing options...
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