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Re: fire
Posted to Technical Theory Forum on 2/1/2021 1 Reply

Not shure what you mean by a volcano shape. I've seen similar on a 98 F-150 4.6L

It came in running on about 4 cylinders with exhaust puffing out a one inch hole in the body of one of the catalysts ...puffing up towards the heat shield of the floor pan. One ... Login to read more.

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