Chevrolet Sonic Repair Manual: Engine Control

Internal Combustion Powertrain Control

General

Other materials:

Tire Pressure
Tires need the correct amount of air pressure to operate effectively. Caution Neither tire underinflation nor overinflation is good. Underinflated tires, or tires that do not have enough air, can result in: . Tire overloading and overheating which could lead to a blowout. . Premature or ir ...

Draining Fluids and Oil Filter Removal
Place a drip pan underneath. Remove the oil filter cap (1). Remove the oil filter cap seal (2). Remove and properly dispose of the oil filter insert  (3). Re-install the oil filter cap. Remove the oil drain bolt. Drain the engine oil into the drip pan. ...

Drive Range, Sixth Gear (Gen 2)
As vehicle speed increases, the transmission control module (TCM) processes input signals from the automatic transmission input and output speed sensors, the throttle position sensor and other vehicle sensors to determine the precise moment to command ON the normally-low 26 pressure control so ...