Chevrolet Sonic Repair Manual: Air Metering/Acceleration

Fuel Pump Control Module Programming and Setup

The fuel pump control module must be programmed with the proper calibration software. The module stores and utilizes this information however if it is not properly configured with the correct cali ...

Throttle Actuator Control (TAC) System Description

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If the Vehicle Is Stuck
Slowly and cautiously spin the wheels to free the vehicle when stuck in sand, mud, ice, or snow. If stuck too severely for the traction system to free the vehicle, turn the traction system off and use the rocking method. See Traction Control/Electronic Stability Control. Warning If the vehi ...

How to Inspect the Engine Air Cleaner/Filter
To inspect the engine air cleaner/ filter, remove the filter from the vehicle and lightly shake the filter to release loose dust and dirt. If the filter remains covered with dirt, a new filter is required. To inspect or replace the air cleaner/ filter: 1.4L L4 Engine 1.8L L4 Engine 1. Re ...

Piston, Connecting Rod, and Bearing Removal
Install the crankshaft balancer bolt. Set the pistons 1 and 4 to TDC in direction of engine rotation. Note: Note cylinder sequence. Mark the connecting rod with the connecting rod bearing cover (1). Remove the 4 connecting rod bearing caps bol ...