Pontiac 1998 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 are not avail' ble
in states adopting California emissions standards, y ur
vehicle will operate satisfactorily on fuels meeting
federal specifications, but emission control system
performance may be affected. The malfunction indi
1
ator
lamp on your instrument panel may turn on and/or pour
vehicle may fail a smog-check test. If this occurs, r
e
turn
to your authorized Pontiac dealer for diagnosis to
determine the cause of failure. In the event it is
1
determined that the cause of 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 lamp on your instrument pan
may turn on. If this occurs, return to your authorize
Pontiac dealer for service.
specifications 'described earlier.
NOTICE:
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