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:

Cruise Control
: Press to turn the cruise control system on and off. RES/+: Move the thumbwheel up briefly to make the vehicle resume to a previously set speed or hold upwards to accelerate. If cruise control is already active, use to increase vehicle speed. SET/−: Move the thumbwheel down briefly ...

Fuel Tank Fuel Pump Module Replacement
Special Tools EN-48279 Fuel Sender Lock Ring Tool For equivalent regional tools, refer Special Tools. Removal Procedure Relieve the fuel system pressure. Refer to Fuel Pressure Relief Remove the fuel tank. Refer to Fuel Tank Replacement. Disconnect the electrical c ...

Throttle Body Inspection and Cleaning
Note: Over extended time and mileage, deposits may accumulate on the back of the throttle valve plate. The source of the deposit is exhaust gas. Typically these deposits pose no problem. Occasionally the deposit may accumulate to a point where perceived pedal effort or throttle valve mov ...