Spark Plug Inspection - Chevrolet Aveo 2009 Service Manual

Document ID: 1456106
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2009 Chevrolet Aveo Aveo, Wave, G3, Barina (VIN S/T) Service Manual

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 incorrect heat range causes the
following conditions:
- Spark plug fouling--Colder plug
- Pre-ignition causing spark plug and/or engine damage--Hotter plug
Spark Plug Inspection
1. Inspect the terminal post (1) for damage.
• Inspect for a bent or broken terminal post (1).
• Test for a loose terminal post (1) by twisting and pulling the post. The terminal post (1)
should NOT move.
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Repair Instructions
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Engine Engine Controls and Fuel - 1.4L (L95)
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7/6/2010