CPS (crankshaft position sensor) - JeepForum.com
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post #1 of 5 Old 08-15-2002, 06:10 PM Thread Starter
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CPS (crankshaft position sensor)

I'm just curious....

How many people have had this thing break and on what model year? What is the "newest" year you have heard of that had one fail?

Wondering if I should be worried about this in my 00'

... an no sidewindin' bushwackin', hornswagglin' cracker croaker is gonna rouin me bishen cutter.
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post #2 of 5 Old 08-16-2002, 07:10 AM
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I have an 89 XJ and I carrie 3 with me all the time... I hope you dont have the problems older XJ had... I havent had to replace one in about 2 years now.... I think your should be fine.. but you may want to carry one with you...

89 XJ black 2 door -6" Tomken suspension lift, 33X12.5 Mud Kings, 4:56 RPs, Dana 35 w/ Detroit locker, Dana 30 front w/ Detroit locker, transfer case tailshaft eliminator, custom off-road driveshafts, AW4 trans w/ cooler, Tomken front and rear bumper SEE PIC SEE PIC @

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post #3 of 5 Old 08-16-2002, 07:33 AM
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I have a '93 with about 76k miles and I had to replace mine 2 weeks after I was in a rollover. However, I am still getting the 11 code when I run the "check Engine Light" method diagnosis. Any clue? Last 50 cycles I presume or maybe still more probs?

Last edited by bassicrob; 08-16-2002 at 07:43 AM.
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post #4 of 5 Old 08-16-2002, 07:40 AM
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On both my 87 (140,000)and 88 (120,000)XJ's, the CPS failed and I never noticed. They both ran just as well on the distributor pick up. Never had an engine light, nothing. Found out they had failed during my regular check ups.
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post #5 of 5 Old 08-16-2002, 12:41 PM
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Originally posted by williak
On both my 87 (140,000)and 88 (120,000)XJ's, the CPS failed and I never noticed. They both ran just as well on the distributor pick up. Never had an engine light, nothing. Found out they had failed during my regular check ups.
If your XJ's still ran, the CPS didn't fail. They might have been going bad, but they hadn't completely failed. If you don't believe me, go unplug your CPS and try to start your XJ. It will not run.

The CPS went out on my 90 MJ about a year and a half ago with about 90K miles.

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