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 ...

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Driving for Better Fuel Economy
Driving habits can affect fuel mileage. Here are some driving tips to get the best fuel economy possible. Avoid fast starts and accelerate smoothly. Brake gradually and avoid abrupt stops. Avoid idling the engine for long periods of time. When road and weather conditions are appropriate, ...

Control Valve Body Replacement
Control Valve Body Replacement Callout Component Name Preliminary Procedure Remove the control solenoid valve and transmission control module assembly. Refer to Control Solenoid Valve and Transmission Control Module Ass ...

Engine Flywheel Removal
Special Tools EN-652 Flywheel Holder For equivalent regional tools, refer to Special Tools. Install EN-652 holder  (1) to hold the engine flywheel (2). Remove and DISCARD the 6 engine flywheel bolts (2). Remove the engine flywheel (1). ...