phillt Posted August 24, 2008 Share Posted August 24, 2008 My 1999 1.4 focus has been running sluggishly over the past month and I got round to look at it today. I removed the cover for the plugs and was greeted by condensation over the underside of the cover the plugs have a divider between 2 & the sensor next to plug 3. In the bottom of plugs 1&2 it is dry but in the bottom of plugs 3&4 there is what I can only describe as a mush about 3mm deep the same colour as the coolant. Q. is the sensor something to do with the cooling system and would a replacement seal rectified the mush problem and would a new set of plugs rectified the sluggish running? Quote Link to comment Share on other sites More sharing options...
mintalkin Posted August 25, 2008 Share Posted August 25, 2008 sounds like you have a small coolant leak causing condensation witch then collects, a comman problem with the focus is the thermostat housing whichs cracks/warpes so check this first.Have you been losing any coolant? Quote Link to comment Share on other sites More sharing options...
phillt Posted August 26, 2008 Author Share Posted August 26, 2008 No evedent loss of coolant Changed the plugs today and started to run better not 100% will change the HT leads tomorrow see ho that goes. THANKS FOR LOOKING REGARDS PHILL Quote Link to comment Share on other sites More sharing options...
old cruiser Posted September 12, 2008 Share Posted September 12, 2008 No evedent loss of coolant Changed the plugs today and started to run better not 100% will change the HT leads tomorrow see ho that goes. THANKS FOR LOOKING REGARDS PHILL Are you sure it's coolant, as it may just be rusty water, check that it's not your washer jets leaking where they fit on the bonnet as this is a known issue on the MK2 (and some MK1 owners) as I had and many others have, I suggest hose water over the bonnet and washer jet area for a few minutes then lift bonnet and check for leaks on the underside of jets and plug area. Cheers Pete Quote Link to comment Share on other sites More sharing options...
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