Chevrolet Cobalt Owners Manual: 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 not available in states adopting California emissions standards, the vehicle will operate satisfactorily on fuels meeting federal specifications, but emission control system performance might be affected. The malfunction indicator lamp could turn on and the vehicle might fail a smog-check test.
See Malfunction Indicator Lamp. If this occurs, return to your authorized dealer/retailer for diagnosis. If it is determined that the condition is caused by the type of fuel used, repairs might not be covered by the vehicle warranty.
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
methylcyclopentadie ...
Additives
To provide cleaner air, all gasolines in the United States
are now required to contain additives that help prevent
engine and fuel system deposits from forming, allowing
the emission control system ...
See also:
Chevrolet Cobalt Owners Manual. Malfunction Indicator Lamp
A computer system called OBD II (On-Board
Diagnostics-Second Generation) monitors operation
of the fuel, ignition, and emission control systems.
It ensures that emissions are at acceptable levels for
the life of the vehicle, helping to produce a cleaner
environment.
This light should come on ...
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
