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Old 07-11-2012, 12:08 AM   #1
Join Date: Jul 2012
Posts: 1
PLEASE HELP ME! 1999 TJ 2.5 auto

okay, i started having problems with my tj on the way up north last week.
while driving the truck it like sputters, for example it drops from 3000 rpms to 1000 rpms... and jerks hard.. the check engine light came on... so i got it checked it out, it came up as either the Camshaft position sensor, or Crank shaft position sensor. then the light went off... still does the jerk after about 20 minutes of DRIVING. but before around 20 minutes.. it doesnt do it at all.
I replaced the camshaft sensor but no luck, cap and rotor are new also...
PLEASE HELP ME.... could it be the crankshaft sensor?

1999 Tj .. 2.5 auto, bushwackers, 31's, k&n filter, 2.5 lift, lovin it
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Old 07-11-2012, 01:45 AM   #2
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I seem to remember reading the CSPS could cause that problem on the YJ forum the other day.

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Old 08-31-2012, 09:21 PM   #3
Join Date: Aug 2012
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Did the CSPS work? I"m having the same issue. Just went to the auto store and got the code for the CSPS. I'm planning on replacing it tomorrow but would like to see if it worked in the event that I could take the part back if it doesn't work.
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