Chevrolet Cobalt Owners Manual: Gasoline Specifications

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
    If the vehicle has the 2.2L L4 engine (VIN Code 5), use regular unleaded gasoline with a posted octane rating of 87 or higher. If the octane rating is less than 87, an audible knocking noise, commo ...

    California Fuel
    If the vehicle is certified to meet California Emissions Standards, it is designed to operate on fuels that meet California specifications. See the underhood emission control label. If this fuel is ...

    See also:

    Chevrolet Cobalt Owners Manual. Removing the Flat Tire and Installing the Spare Tire (SS Model)
    The SS Model has larger performance brakes than the base model. The compact spare tire will not clear the front brakes. Do not use the compact spare tire in the event of a front flat tire. You must use the rear tire to replace the front flat tire. To change the rear road tire: Rear Tire Chang ...

    Chevrolet Cobalt Owners Manual

    Chevrolet Cobalt Service Manual


    Copyright © 2026 www.cheviguide.com - Chevrolet Auto Manuals - 0.0077