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Thread: '99 jeep grand cherokee crankshaft position sensor...more

  1. #1
    Join Date
    Jun 2008
    Posts
    3

    Default '99 jeep grand cherokee crankshaft position sensor...more

    on this 4.0L engine, if had problem with CPS, wouldnt it be coding on PCM....and, if it was, couldn't I see it on odometer display by doing the old trick of turning ignition swith to on 3-times?

  2. #2
    Join Date
    Jan 2007
    Posts
    4,850

    Default

    chiefrick,

    A faulty crank sensor should set a trouble code, but on 1998 and later models a scan tool must be used to read it; turning the key on and off three times won't work.

  3. #3
    Join Date
    Jun 2008
    Posts
    3

    Default crankshaft position sensor, '99 jeep...final info.

    Thanks for info...I've elected to let dealership change this sensor. They claim it can be changed using special tools. It would take me forever to drop tranny and go thru too much trouble. Jeep dealership will only charge me 1 hr. time total $90.00....that's a deal. thank you..

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