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:

Starting the Vehicle
1. Aim the RKE transmitter at the vehicle. 2. Press and release . 3. Immediately after completing Step 2, press and hold for at least four seconds or until the turn signal lamps flash. When the engine starts, the parking lamps will turn on and remain on as long as the engine is running. The ...

Brake Pedal Position Sensor Replacement
Removal Procedure Remove the instrument panel lower trim pad cover. Refer to Instrument Panel Lower Trim Pad Cover Replacement. Disconnect the brake pedal position sensor electrical connector. Remove the brake pedal position sensor bolt (1). Remove t ...

Valve Guide Reaming, and Valve and Seat Grinding
Valve Cleaning Procedure Use soft bristle wire brush to clean any carbon build-up from the valve head. DO NOT use a wire brush on any part of the valve stem. The valve stem is chrome plated to provide enhanced wear characteristics. Wire brushing the stem could remove the chr ...