Chevrolet Cobalt Owners Manual: Gasoline Specifications
Chevrolet Cobalt Owners Manual / Service and Appearance Care / 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 Service & Repair Manual. Vehicle Visual Inspection Procedures
Gasoline & Alternative Fuel Engine Vehicles
Visual Inspection
To ensure proper operation of
all emission control system components it is required to perform a visual
inspection. Refer to the Vehicle Emission Control Information Label and
the Emission Control Application Char ...
Chevrolet Cobalt Owners Manual
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Chevrolet Cobalt Service Manual
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- Engine Service
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