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Does my jeep have the right CTS in it?

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Old Aug 29, 2011 | 05:49 PM
  #1  
CPTslackass's Avatar
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From: Lenexa KS
Year: 1989
Model: Cherokee
Engine: 4.0L
Default Does my jeep have the right CTS in it?

I know it seems like an odd question. My 89 renix CTS is testing bad. *verified by a volt meter* I'm looking for replacement sensors and funny thing. Nothing looks like what I have plugged into her.






It is to my understanding that the CTS is suppose to look like this.



I am 100% at a loss here, and hope that my answer is right in my face!
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Old Aug 29, 2011 | 06:00 PM
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cruiser54's Avatar
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From: Prescott, Az
Year: 1990
Model: Cherokee (XJ)
Engine: 4.0
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The one that's unplugged is your knock sensor. The one you're holding up out of the way is your CTS.
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Old Aug 29, 2011 | 06:08 PM
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From: Lenexa KS
Year: 1989
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Engine: 4.0L
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Wow, and unplugging the knock sensor does absolutely nothing to the engine. I feel like an idiot now. Some diagram I saw, showed the CTS in that location lol.
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Old Aug 29, 2011 | 06:34 PM
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From: Prescott, Az
Year: 1990
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Engine: 4.0
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Originally Posted by CPTslackass
Wow, and unplugging the knock sensor does absolutely nothing to the engine. I feel like an idiot now. Some diagram I saw, showed the CTS in that location lol.
Well, they are pretty close to each other!!

And, the knock sensor isn't critical for normal engine running. All it does is send a signal to the ECU if it senses pinging so the ECU can retard the timing. It would run fine without it.
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