Trouble Judgement By Spark Plug Conditions Purpose

SPARK PLUG CONDITION INSPECTION

PURPOSE
Inspecting spark plugs condition, can determine whether problem is related to a specific cylinder possibly all cylinders.

Troubleshooting Index:

1. Wet/Carbon Stuck On Specific Plug:

2. Grayish White With Specific Plug:

3. Wet/Carbon Stuck On All Plugs:

4. Grayish White With All Plugs:

PROCEDURE
1. Remove the spark plug.
2. Inspect spark plug condition.
3. Go to appropriate troubleshooting chart for further information.