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Re: P0340 code set on 1997 Ford Ranger 2.3L
Posted to Technical Discussion Forum on 10/31/2008 1 Reply

Hi Jens,

If you look at Ford TSB #02-22-1 (Engine Surge/Rolling Idle/DTC's Set) it has some very good captures of where the CMP signal should cross zero.

Yours is right at the trailing edge of the "window" which is almost 20 degrees late...it should cross ... Login to read more.

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