Question about 1993 Nissan Pathfinder

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Tach jumps all over the place driving and idle. works correct sometimes. how to repair?

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Crank sensor is tied in with the tach. you have problem with crank sensor or electrical problem. the tach reads rpms, if the sensor is bad it throws the rpms way off. this is why you get the jumping in gauge.

Posted on May 28, 2010

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