FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Checking the Spark Plug Insulator Tip




Checking The Spark Plug Insulator Tip







- Check the colour of the spark plug insulator tip. If any spark plug has a noticeably lighter colour it could be because the mixture in this cylinder is too lean. If this is the case, measure injector flow as described under 'Checking the flow capacity of the injectors'.

After performing this procedure Final Check