Hi Guy`s,I`m new online here!! Just need advice on this: Took car (2004 Mondeo 1.8 zetec) to full service last week,was told engine is pink`g,was given 2 options,(1),Take diagnstcs test,see if that shows up problem (£35), or (2),Engine strip down,for same reason,(£700/£800),obviously don`t have £`s for 2nd opt`n.Have been advised to clean out petrol injectors with "Wynn`s Formula Gld Petrol system treatm`t,triple action,(Add contents 2 full tank),& change from unleaded to Tesco99 & similar better graded petrol.Want long term solution,Not short term,like it sounds like with previ`s adv`ce.???