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Why more Ford set P0171's than GM
Posted to Technical Theory Forum on 11/23/2007 179 Replies

Anyone ever wonder why Ford's set so many more P0171/174's than GMs, and other makes?

Does Ford really have that many more hose and manifold leaks than GM?

Does GM's fuel trim "adaption" allow it to run further afield before it sets a code.

Which would y... Login to read more.

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