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International Automotive Technicians Network
Re: d4 light on while in park, sluggish accell
Posted to Technical Discussion Forum on 10/4/2012

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Putting it off is likely to lead to damage to the board. It's guaranteed to get worse as the weather cools off. Bring it by (the TCM) and I'll show you how to fix it. It's a good one to learn on - ea... Login to read more.