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 Owners Manual. Center High-Mounted Stoplamp (CHMSL)
To replace a CHMSL bulb:
1. Open the trunk.
2. Press the tabs to release the bulb assembly.
3. Pull the bulb assembly down to access the bulbs.
4. Pull the old bulb straight out.
5. Push the new bulb straight in until it clicks.
6. Align the tabs in the bulb assembly with the
assembly in th ...
Chevrolet Cobalt Owners Manual
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Chevrolet Cobalt Service Manual
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- Electrical
- Electronic Stability Controls
- Engine Service
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