i put the gun down, its the cps, coding 21 21 ? - JeepForum.com
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post #1 of 2 Old 08-09-2011, 07:29 PM Thread Starter
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1991 YJ Wrangler 
Join Date: Jul 2011
Location: pic is my girlfriend/fiancee
Posts: 265
i put the gun down, its the cps, coding 21 21 ?

btw, the pic is my gf, not me...lol...OK, not on my way to the beach with my girl yet, however one mystery has been solved, the stalling when i hit a bump is the crank position sensor wiring.

a new problem: im coding 21 then it codes again as 21?

im wondering if this has anything to do with the difference between the cheorkee and the wrangler mat sensor. one repair man for cherokee sez the resitance should be at 3000 ohms or less and the wrangler manual sez 1000 ohms...wtf?

Last edited by riverhippy; 08-09-2011 at 08:01 PM.
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post #2 of 2 Old 08-10-2011, 09:52 AM
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1990 YJ Wrangler 
Join Date: Apr 2011
Location: Phoenix
Posts: 13
21 oxygen sensor signal, neither rich or lean detected

It's a never ending battle of making your Jeep better and also trying to be better yourself.
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backfires , beach , hot girl with tat , stalling , YJ

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