Chevrolet Sonic Repair Manual: Engine Control

Internal Combustion Powertrain Control

General

Other materials:

Malfunction Indicator Lamp
A computer system called OBD II (On-Board Diagnostics-Second Generation) monitors the operation of the vehicle to ensure emissions are at acceptable levels, helping to maintain a clean environment. The malfunction indicator lamp comes on when the vehicle is placed in ON/RUN, as a check to show ...

Battery Inspection/Test
Diagnostic Instructions Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure. Review Strategy Based Diagnosis for an overview of the diagnostic approach. Diagnostic Procedure Instructions provides an overview of each diagnostic catego ...

Oil Level Indicator and Tube Removal
Remove the oil dipstick. Remove the oil level indicator tube bolt (1). Note: If the engine oil level is at the maximum level, oil may emerge while removing the oil dipstick guide tube. Remove the oil level indicator tube (2) and oil level indicator seal. ...