its funny,but, Shell is the one that my van adjusts to the quickest (dodge "crapavan").(ECM? KS BLM?) about 50 miles. Swayze mswayze@truswood.com kswayze@bellsouth.net <8-{b> .... > Shell, IMHE, is one of the worst of the pump fuels for deposits... > Yellowish-Green ones in just a few miles. > Amoco and Mobil seem to have the least deposits. ..........