Chevrolet Sonic Repair Manual: Spark Plug Replacement

Spark Plug Inspection

Spark Plug Usage Ensure that the correct spark plug is installed. An incorrect spark plug causes driveability conditions. Ensure that the spark plug has the correct heat range. An ...

Intake and Forced Induction

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Other materials:

Headlamp Switch Replacement
Headlamp Switch Replacement Callout Component Name Preliminary Procedure Remove the instrument panel lower trim pad cover. Refer to Instrument Panel Lower Trim Pad Cover Replacement 1 Headlamp S ...

Intake Manifold Replacement
Special Tools EN-34730?E1 Pressure Tester EN-6015 Closure Plugs For equivalent regional tools, refer to Special Tools Removal Procedure Disconnect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection. Remove the engine sight shield. ...

Drive Range, First Gear (Gen 2)
As the vehicle speed increases, the transmission control module (TCM) receives input signals from the automatic transmission input and output speed sensors, throttle position sensor and other vehicle sensors to determine the precise moment to de-energize or ?urn OFF?the shift solenoid, and to ...