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Re: Lean code caused by exhaust valve being held open
Posted to Technical Theory Forum on 5/22/2004 2 Replies

Quote "If you have an ignition misfire, the misfire will probably be complete (no burn), so the ECM sees lean, increases fuel, DOESN'T see a difference, doesn't change the fuel trim."Unquote. This is not what I have seen. On this Ford escort the first event is... Login to read more.

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