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97 540i /6spd Crankshaft Position Sensor

Discussion in 'E39 (1997-2003)' started by wswellman59, Nov 10, 2010.

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    My 97 540i /6spd 85k has started throwing an occasional CEL that codes to Crankshaft Position Sensor. Has happened about four times. I reset and a week or two later it comes back, sometimes resets itself before I get a chance to check/reset. Car is starting and running fine.

    Question: Does this mean change it out now or wait until full time failure reading?
    Can I clean the thing up and hope its a grime / corrosion problem?
    Is this typical behavior / replacement cycle?

    Looks like a pretty simple replacement (its on the bell housing for my car)

    Thanks in advance!


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