1998 Pontiac Sunfire Owner's Manual - Page 248

If your vehicle is certified to meet California Emiss'on Standards (indicated on the underhood emission co trol label), it is designed to operate on fuels that meet California specifications. If such fuels arenot avail' ble in states adopting California emissions standards, y ur vehicle will operate satisfactorily on fuelsmeeting federal specifications, but emission control system performance may be affected. The malfunction indi ator lamp on yourinstrument panel may turn on and/or pour vehicle mayfail a smog-check test. If this occurs, r turn to your authorized Pontiac dealer for diagnosis to determine the cause of failure. In the event it is determined that the causeof the condition is the fuels used, repairs may not be covered by your Some gasolines that are not reformulated for low emissions contain an octane-enhancing additiv methylcyclopentadienyl manganese tricarbony ask your service station operator whether or n contains MMT. General Motors does not reco use of such gasolines. If fuels containing M spark plug life may be reduced and your emission control system performance may be affected. The malfunction indicator lampon your instrument pan may turn on. If this occurs, return to your authorize Pontiac dealer for service. 1 e 1 specifications 'described earlier. NOTICE: 6-4