Chevrolet Sonic Owner's Manual: Gasoline Specifications
At a minimum, gasoline should meet ASTM specification D 4814. Some gasolines contain an octane-enhancing additive called methylcyclopentadienyl manganese tricarbonyl (MMT). We recommend against the use of gasolines containing MMT. See “Prohibited Fuels" in Recommended Fuel.
Recommended Fuel
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 may be heard. If this
occurs, use a gasoline rated at 87 ...
California Fuel Requirements
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 i ...
Other materials:
Rear Seats
Folding the Seatback
Either side of the seatback can be folded down for more cargo space. Fold a seatback
only when the vehicle is not moving.
Caution
Folding a rear seat with the safety belts still fastened may cause damage to
the seat or the safety belts. Always unbuckle the safety belts an ...
Fuel Pressure Relief
Special Tools
EN-34730-91 Pressure Tester
For equivalent regional tools, refer to Special Tools.
Warning: Gasoline or gasoline vapors are highly flammable. A fire
could occur if an ignition source is present. Never drain or store gasoline
or diesel fuel in an open container, due ...
Intake Manifold Removal (1.8L LUW and LWE)
Remove the 2 intake manifold brace bolts (2, 3).
Remove the intake manifold brace (1).
Remove the 7 intake manifold bolts (1).
Remove the intake manifold (2) and the 4 intake manifold gaskets.
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