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2000 Toyota Tundra Question: rough engine idle



mcentireed, 4.7L V8, Oklahoma City, OK, November 27, 2009, 07:47

codes 300, 303, 306 . where do i start ?

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  • Answer #1

    backyard tech November 27, 2009, 15:55

    I bet you do have a rough running engine. You could have bad coils or plugs or both. You clearly have a problem with number 3 and 6 cylinder. To save a lot of agravation just replace all the coils and plus. They are double plat plugs.

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