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International Automotive Technicians Network
Re: Quad 4 ? 3? 2? 1989 Grand Am
Posted to Technical Discussion Forum on 3/7/2002 1 Reply

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#4 was shorted. So, to keep the rest of the cheap stuff happy I threw in one reman. Then it ran on one, two and three! Back out with the rail and they all flowed the same. Put in just the #4 spark plu... Login to read more.

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