It's not dirt that gets in there it's corrosion that causes intermittent connection.
Did you try pushing a pin or something in each of the holes of the plug on the cable or some contact cleaner in there?
Sometimes it's the actual sensor breaking down.
£90 for a new one http://www.ebay.co.uk/itm/331069960268?_...EBIDX%3AIT
Did you try pushing a pin or something in each of the holes of the plug on the cable or some contact cleaner in there?
Sometimes it's the actual sensor breaking down.
£90 for a new one http://www.ebay.co.uk/itm/331069960268?_...EBIDX%3AIT