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:

Tire Pressure Indicator Sensor Learn
Special Tools EL-46079 Tire Pressure Monitor Diagnostic Tool EL-50448 Tire Pressure Monitor Sensor Activation Tool For equivalent regional tools, refer to Special Tools. Learn Mode Description The tire pressure monitor system uses the instrument cluster, body control module ...

Front Side Door Weatherstrip Replacement - Body Side
Front Side Door Weatherstrip Replacement - Body Side Callout Component Name Preliminary Procedures Remove the upper center pillar trim. Refer to Center Pillar Upper Trim Panel Replacement. Remove the lower center pillar t ...

Drive Range, Second Gear (Gen 2)
As vehicle speed increases and operating conditions become appropriate, the transmission control module (TCM) processes input signals from the automatic transmission input and output speed sensors, the throttle position sensor and other vehicle sensors to determine the precise moment to comman ...