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Discussion Starter · #1 ·
Hello,

Thanks to those who helped me with the different codes and things. Finally my TJ showed 2 codes, # 11, #12. I am assuming that its going to be the crank sensor, My next question is how much do these things normally cost and how easy are they to change. Where is it? Any info would be great. Thanks.

84CJ7 SOA,35's,OnboardAir,Dual winches,Full Cage,Snorkels, and more
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Discussion Starter · #2 ·
I now know that its on the bell housing. I also know that the dealer has them in stock for $73.00.

My next two questions are:

I have a machanic friend who has told me that the codes that come up on dash might not be "exactly" the problem. He says since it has the new "software" or whatever that I really should put it on a scanner to find out for sure. Has anybody heard this before?

And how hard is it to relace this sensor? Can I get to it easly or no?

THANKS SO SO MUCH

84CJ7 SOA,35's,OnboardAir,Dual winches,Full Cage,Snorkels, and more
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I've never done a CPS swap on a TJ, but just finished on my Caravan's CPS. The CPS was held in with a 10mm bolt. The steps were:

1. Remove the bolt.
2. Remove the CPS sensor.
3. Unhook the CPS sensor.
4. Connect the new CPS sensor.
5. Install the new CPS sensor in the Bellhousing hole.
6. Install the 10 mm bolt and tighten it down.

Now, the CPS sensor should come with a small paper spacer that's stuck onto the end of the CPS. This spacer keeps the CPS at a specific distance from the flywheel. The space, in turn is specific making the CPS work correctly. Without the spacer the sensor is too far or too close to the flywheel and does not sense the crank position correctly. The MOPAR part nubmber for the spacer is: 5252229

 
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Discussion Starter · #4 ·
Just so everybody knows, I changed the Sensor last night and everything is now fine. The sensor is bolted to the bell housing with two bolts, You can see it from the driver side if your looking down at the rear of the block. Installation was easy.

84CJ7 SOA,35's,OnboardAir,Dual winches,Full Cage,Snorkels, and more
OverMost 4WD Club
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