At a minimum, gasoline should meet ASTM specification D 4814 in the United States or CAN/CGSB-3.5 or 3.511 in Canada. Some gasolines contain an octane-enhancing additive called methylcyclopentadienyl manganese tricarbonyl (MMT).
We recommend against the use of gasolines containing MMT. See Additives for additional information.
Gasoline Octane
California FuelChevrolet Cobalt Service & Repair Manual. Pinpoint Test
Ensure battery voltage is greater
than 12 volts prior to and during pinpoint test.
Caution: Do not have a battery
charger attached during vehicle testing.
Warning: Never use electrical
test equipment on any circuit related to the SRS unless instructed by ...