Chevrolet Sonic Repair Manual: Engine Control Module

Turbocharger Wastegate Regulator Solenoid Valve Replacement

Charge Air Bypass Regulator Solenoid Valve Replacement Callout Component Name Preliminary Procedure Disconnect the radiator out ...

Engine Control Module Description

The Engine Control Module (ECM) interacts with many emission related components and systems, and monitors emission related components and systems for deterioration. OBD II diagnostics monitor the ...

Other materials:

Plastic Collar Quick Connect Fitting Service
Removal Procedure Warning: Refer to Gasoline/Gasoline Vapors Warning. Note: There are several types of plastic collar fuel and evaporative emission quick connect fittings used on this vehicle. Bartholomew (1) Q Release (2) Squeeze to Rele ...

Brake Pipe and Hose Inspection
Warning: Refer to Brake Fluid Irritant Warning. Caution: Refer to Brake Fluid Effects on Paint and Electrical Components Caution. Visually inspect all of the brake pipes for the following conditions: Kinks, incorrect routing, missing or damaged retainers Leaking fittin ...

Secondary Air Injection Pump Removal
Disconnect the secondary air injection pump pipe (3). Refer to Plastic Collar Quick Connect Fitting Service. Remove the secondary air injection pump nut (2) and the 2 secondary air injection pump bolts (4). Remove the secondary air injection pump (1 ...