Well it depends really. After cleaning my EGR, i have reduced the amount of black smoke when I accelerate hard, the MPG has gone up a small amount and its improved my cars performance.
Better than paying over £150 from Fiat for a new EGR valve.
FOR SALE :
ePER 48 Edition DVD 2009 / Fiat Bravo Haynes Manual / Fiat Bravo & Fiat Coupe Workshop Manuals and Fiat Bravo Owners Manual in Electronic Format.