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Van starts Idled ok when driving I get intermittent bucking & I think missing is this charistick of a crank sensor?

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It's possible. If the vehicle is newer than 1996, the crank sensor would cause the check engine light to come on.
I would need more information to further diagnose it, and I will be happy to further help if you are interested in working on it.

Posted on Mar 27, 2011

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Posted on Jan 02, 2017

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