Chevrolet Sonic Repair Manual: PCV

Evaporative Emission Canister Vent Solenoid Valve Replacement

Evaporative Emission Canister Vent Solenoid Valve Replacement Callout Component Name Preliminary Procedures Disconnect the battery ...

Crankcase Ventilation System Inspection/Diagnosis

Results of Incorrect Operation A plugged positive crankcase ventilation (PCV) orifice or hose may cause the following conditions: Rough idle Stalling or slow idle speed Oil le ...

Other materials:

Engine Coolant Temperature Warning Light
This light comes on briefly while starting the vehicle. If it does not, have the vehicle serviced by the dealer. If the system is working normally the indicator light goes off. Caution The engine coolant temperature warning light indicates that the vehicle has overheated. Driving with this ...

Hill Start Assist (HSA)
This vehicle has an HSA feature, which may be useful when the vehicle is stopped on a grade. This feature is designed to prevent the vehicle from rolling, either forward or rearward, during vehicle drive off. After the driver completely stops and holds the vehicle in a complete standstill on a ...

Cruise Control
If the vehicle is equipped with cruise control, a speed of about 40 km/h (25 mph) or more can be maintained without keeping your foot on the accelerator. Cruise control does not work at speeds below 40 km/h (25 mph). Warning Cruise control can be dangerous where you cannot drive safely at a st ...