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. System Service
Component Replacement
Ignition Control Module (ICM)
1.
Remove accelerator cable from bracket.
2.
Remove accelerator cable bracket bolt
and bracket.
3.
Disconnect ignition control module
harness connec ...