Chevrolet Sonic Repair Manual: Engine Control

Internal Combustion Powertrain Control

General

Other materials:

Generator Replacement (LUW)
Removal Procedure Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle. Remove the drive belt. Refer to Drive Belt Replacement. Remove t ...

Engine Front Cover and Oil Pump Disassemble
Engine Front Cover Disassemble Remove the intake camshaft position sensor bolt (1). Remove the intake camshaft position sensor (2) and the seal ring (3). Remove the exhaust camshaft position sensor bolt (6). Remove the exhaust camshaft posi ...

Throttle Body Inspection and Cleaning
Note: Over extended time and mileage, deposits may accumulate on the back of the throttle valve plate. The source of the deposit is exhaust gas. Typically these deposits pose no problem. Occasionally the deposit may accumulate to a point where perceived pedal effort or throttle valve mov ...