Owner's Manual
Page 85
..."Gasohol". MAZDASPEED Protegé Use only premium unleaded fuel:91 [ (R+M)/2 method] or above (96 RON or above ) *U.S. This will perform best with fuel listed in a malfunction of the emission control system, causing poor performance. • Your vehicle can be covered by Mazda. Stop using... gasohol of any methanol. Fuel with a lower rating could also cause engine knocking and serious engine damage. Consult an Authorized Mazda Dealer. Never add cleaning agents ...
..."Gasohol". MAZDASPEED Protegé Use only premium unleaded fuel:91 [ (R+M)/2 method] or above (96 RON or above ) *U.S. This will perform best with fuel listed in a malfunction of the emission control system, causing poor performance. • Your vehicle can be covered by Mazda. Stop using... gasohol of any methanol. Fuel with a lower rating could also cause engine knocking and serious engine damage. Consult an Authorized Mazda Dealer. Never add cleaning agents ...