carlberry64 Posted January 18, 2010 Share Posted January 18, 2010 hi ford fiesta 1.1 1998 revs high then low at iddle on its own then sometimes stalls any ideas as to what it could be ? diagnostics dont show any faults. cheers carl Quote Link to comment Share on other sites More sharing options...
queeg Posted January 18, 2010 Share Posted January 18, 2010 hiford fiesta 1.1 1998 revs high then low at iddle on its own then sometimes stalls any ideas as to what it could be ? diagnostics dont show any faults. cheers carl Anything to do with idle speed and stalling (i.e. coming up to traffic lights) first thing I would check is the idle speed control valve. Have a search on eBay and you will see what they look like. There on the top of the engine and easy to change. If you feel like it you can take it off and take it appart and clean the insides, sometimes is all it needs, but usually a replacement job. http://cgi.ebay.co.uk/IDLE-SPEED-CONTROL-V...=item3ca3b8ec95 hope this helps Derek Quote Link to comment Share on other sites More sharing options...
Deano_365 Posted January 18, 2010 Share Posted January 18, 2010 I would check your idle speed control valve and maybe (depending how long they have been in) renew your spark plugs at the same time! Quote Link to comment Share on other sites More sharing options...
carlberry64 Posted January 18, 2010 Author Share Posted January 18, 2010 Thanks derek thanks deano will check that. Quote Link to comment Share on other sites More sharing options...
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