Crankshaft Position Sensor or Camshaft Position Sensor? - Page 2 -
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post #16 of 21 Old 01-20-2011, 11:31 AM
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1998 TJ Wrangler 
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Location: Lyons
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Originally Posted by SierraNev View Post
Hey ya'll I am having intermittent issues with my Jeep stalling while driving after a few minutes or at idle speed and after warm up. The codes for pcm not getting signal from cps/cpk "crankshaft positioning sensor" came up. So now that I've gotten that far how the heck do you get to the bugger, take the tire and inner tire panel off or drop the trany? I got a chilten with microscopic pic's and a fellow said I would need a pully puller, I think I can handle it with a lil direction. How bout it fellow Jeepers, a brotha could use some help, its our only car right now. 99 Jeep Grand Cherokee Limited 4.7L
The 5.9 in my TJ did this, sometimes it would miss for a bit, sometimes stall. ALways just after warm-up, 8-10 minutes of run time. Crank Sensor fixed it.

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post #17 of 21 Old 12-12-2011, 07:14 PM
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1998 TJ Wrangler 
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Location: Indiana
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yeah, definitly the crank sensor. Just found out mine was bad on my wrangler. depending on where you order them from they range in price from 60-100 bucks.
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post #18 of 21 Old 01-08-2015, 02:07 PM
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I too have gone through this and now am going through it again 2 yrs later. I have an 05 wrangler X 6 spd, 4.0L. After replacing both sensors ( crank/ cam), as well as gear on distributer. I had ECM reflashed at the dealer, about $100.00. No problems until now. Engine would occasionally stumble at idle, then popped a p0016 code. Replaced both sensors again, erased codes and all seemed fine and ckps code popped up. Will try fixes on here to see if it helps
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post #19 of 21 Old 01-09-2015, 12:10 AM
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1999 TJ Wrangler 
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Location: Minneapolis
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When my crank sensor went it WOULDNT buck or hesitate. It would just turn off, like someone turned off the key. It did the same on 2 different vehicles.
So the bucking, hesitation and almost stalling but still running makes me think something else is the problem.

Also those sensors can be bad right out of the box. I put a brand new mopar crank sensor in and it went bad in a few days.

Good luck

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post #20 of 21 Old 11-28-2015, 05:27 PM
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Hey guys 99TJ 4.0 that just decided not to start one day. Turns over strong, but would start. Immediately check for spark by pulling plug wire and no spark. Went to CPS and tested with multimeter and checked out ok. Since CPS was ok, I then tested ignition coil and no spark with plug manually put in so I replaced ignition coil. Still no spark at coil and obviously still no start. Any ideas? BTW, had tune up kit so replaced the following while it was down and in the garage (plugs, wires, distributor cap, rotor button, valve cover gasket).
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post #21 of 21 Old 07-31-2017, 12:22 PM
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Crank Shaft Sensor and Cam Shaft Sensor Codes

I am looking through these threads online trying to find out what the deal is with my 2005 Jeep LJ Rubicon 4.0. When driving on a Hot day the power all of the sudden completely cut out and it would go at very low RPM's then cut out. When in Neutral if you rev'd it up it would IDLE high then low then high then low even when at consistent throttle. I got error codes saying camshaft sensor then crankshaft sensor. The cranks shaft sensor was black with carbon when I took it out. I replaced them both and cleared the codes however the light wouldn't go off and the problem still persists just now it only says camshaft sensor. I don't think its the OPDA because I called the dealer and they said that the Recall was fixed shortly after it was bought in late 05 (I bought it in 06). And there is no "Barrel of Monkeys noise" I am at a loss since I have replaced both sensors and nothing has changed. Any recommendations or advice would be great!
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