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. Cylinder Head Overhaul
It is usually recommended to send
head to machine shop for complete overhaul.
Cylinder head must be cool before
removing it from engine. Cylinder head warpage can result if a warm or hot
cylinder head is removed.
Place clean shop towels over exposed
e ...
Chevrolet Cobalt Owners Manual
- In Brief
- Seats and Restraint System
- Features and Controls
- Instrument Panel
- Driving Your Vehicle
- Service and Appearance Care
- Maintenance Schedule
- Customer Assistance Information
Chevrolet Cobalt Service Manual
- Air Bags
- Air Conditioning & Heater
- Body & Frame
- Brakes
- Cooling System
- Driveline
- Electrical
- Electronic Stability Controls
- Engine Service
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