Chevrolet Sonic Repair Manual: Catalytic Converter

Secondary Air Injection System Description

The Secondary Air Injection System aids in the reduction of hydrocarbon exhaust emissions during a cold start. This occurs when the start-up engine coolant temperature (ECT) is between −10 t ...

Catalytic Converter Heat Shield Replacement (LUV)

Catalytic Converter Heat Shield Replacement Callout Component Name Warning: Refer to Exhaust Service Warning. ...

Other materials:

Ignition Positions
The ignition switch has four different positions. To shift out of P (Park), the ignition must be in ON/RUN and the regular brake pedal applied. 1 (STOPPING THE ENGINE/LOCK/ OFF): When the vehicle is stopped, turn the ignition switch to LOCK/ OFF to turn the engine off. This position locks t ...

Evaporative Emission Canister Replacement
Removal Procedure Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle. Remove the EVAP canister cover fasteners (1) and cover (2). Warning: Do not breathe the air through the EVAP component tubes or hoses. The fuel vapors inside t ...

Fuel Pressure Measurement
Special Tools EN 34730?E1 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 con ...