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Symptons of a bad Crank Position Sensor?

Discussion in 'General Explorations!!' started by ExploderBlues, November 1, 2002.

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    1. ExploderBlues

      ExploderBlues New Member

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      City, State:
      Cathedral City, CA
      Year and Model:
      1991 XLT
      My ex wont start after driving for more than 5 minutes, starts up fine after it cools down, mechanic told me it was the crank position sensor? Any ideas?
       
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    3. asp84

      asp84 Active Member

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      City, State:
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      Year and Model:
      1998 V8 AWD Mounty
      A bad crank position sensor would definately cause your car to run bad. It probably is relyign soley off your camshaft position sensor now.

      Have you had your OBD-II codes read yet? There should be a way to test the electrical pulse coming from the Cranshaft sensor. The sensor itself is a very simple design.

      Good Luck

      Al
       
    4. slow-demon

      slow-demon Active Member

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      When the truck fails to start, check for "spark" at one of the spark plugs. If the computer doesn't know where the crankshaft is positioned or if turning, it doesn't know when to fire a spark plug.
       

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