Simon_172 Car Clio Sport 172 May 22, 2008 #1 anyone know what to use to clean them and if it will make any difference with out buying a new one? my mpg had dropped a little and have read it could be down to this? si
anyone know what to use to clean them and if it will make any difference with out buying a new one? my mpg had dropped a little and have read it could be down to this? si
Simon_172 Car Clio Sport 172 May 23, 2008 #2 whats the right part number for a ngk one? OZA660-EE21 or OZA659-EE6