Chevrolet Sonic Repair Manual: Ignition System

Fuel Tank Replacement

Removal Procedure Disconnect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection. Relieve the fuel pressure. Refer to Fuel Pressure Relief. ...

Electronic Ignition System Description

Electronic Ignition System Operation The electronic ignition system produces and controls the high energy secondary spark. This spark ignites the compressed air/fuel mixture at precisely t ...

Other materials:

Hub/Axle Flange and Wheel Stud Runout Inspection
Special Tools GE-8001 Dial Indicator Set , or equivalent Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle. Mark the location of the wheels to the wheel studs and mark the specific vehicle position on each tire and wheel ?ELF, LR, RF, RR. Remove the tire and w ...

Control Solenoid Valve and Transmission Control Module Assembly Replacement
Removal Procedure Remove the transmission control valve body cover. Refer to Control Valve Body Cover Replacement. Disconnect the output speed sensor electrical connector (2). Disconnect the shift position switch electrical connector (3). Disconn ...

Drive Range, Third Gear (Gen 2)
As vehicle speed increases and operating conditions become appropriate, 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 comman ...