Chevrolet Sonic Repair Manual: Engine Control

Internal Combustion Powertrain Control

General

Other materials:

How to Inspect the Engine Air Cleaner/Filter
To inspect the engine air cleaner/ filter, remove the filter from the vehicle and lightly shake the filter to release loose dust and dirt. If the filter remains covered with dirt, a new filter is required. To inspect or replace the air cleaner/ filter: 1.4L L4 Engine 1.8L L4 Engine 1. Re ...

Battery Positive and Negative Cable Replacement
Removal Procedure Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection. Remove the fuse block and battery positive cable cover. Remove the battery tray. Refer to Battery Tray Replacement. Remove the battery posit ...

Heated Oxygen and Oxygen Sensor Caution
Caution: Do not remove the pigtail from either the heated oxygen sensor (HO2S) or the oxygen sensor (O2S). Removing the pigtail or the connector will affect sensor operation. Handle the oxygen sensor carefully. Do not drop the HO2S. Keep the in-line electrical connector and the louver ...