92 wrangler 4.0 crankshaft Position sensor check - JeepForum.com
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Unread 01-20-2012, 08:25 AM   #1
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1992 YJ Wrangler 
Join Date: Nov 2007
Location: New York
Posts: 50
92 wrangler 4.0 crankshaft Position sensor check

Is there a check (resistance ) that you can do with a CPS removed? haynes says when engine is warmerd up across pins A&B you should get 125-275 ohms reisitnace, but my motor won't start. I'm trying to see if the CPS I got from Advance auto is bad.

Second if I have the new one installed is there a check you can do without motor running?

Thanks for all the help

ernaldamerican is offline   Reply With Quote Quick reply to this message
Unread 01-20-2012, 08:31 AM   #2
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1994 YJ Wrangler 
Join Date: Feb 2007
Location: florida
Posts: 3,863
One CPS check that I read in the book was to disconnect the CPS at the plug for one minute. Then plug it back in. If the rig then starts the CPS is bad.
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