Tech Tip: 3 Tips for a bad Head Gasket

Does a bad miss and a PO306 code on a 2006 Four Runner mean replacing the coil as a fix?
Instructor Sergio Fernandez shows you the proper diagnostic procedures when a coil isn’t the correct solution to the problem. In some cases it may be a Head gasket that causes the code to be set. This is a very costly and time consuming repair that a customer may not be able to afford. If the customer can’t afford the cost of a replacement, Sergio has a fix for you.

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