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CPS question

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Old 09-22-2009, 01:27 PM
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So my truck stalled two nights ago and and it was the first night in almost a month that is decided to rain...well it rained hard. So I'm crawling around in 1 foot of mud and final I tow my truck to the dealer because I'm just sick of trying to track down my problem. So the dealer told me i have a bad CPS. Does this sound right for a truck thats stalling? I did a tuneup about 3 months ago when it was stalling regularly. Stalling stopped for 3 weeks. Then replaced muffler and tail pipe 15 miles later it stalls again. After 15 minutes of trying to start it it starts up.


Also there where three recalls on my XJ the master cylinder, rotors, and airbags.
Old 09-22-2009, 01:31 PM
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Originally Posted by kitsapfreerider
So my truck stalled two nights ago and and it was the first night in almost a month that is decided to rain...well it rained hard. So I'm crawling around in 1 foot of mud and final I tow my truck to the dealer because I'm just sick of trying to track down my problem. So the dealer told me i have a bad CPS. Does this sound right for a truck thats stalling? I did a tuneup about 3 months ago when it was stalling regularly. Stalling stopped for 3 weeks. Then replaced muffler and tail pipe 15 miles later it stalls again. After 15 minutes of trying to start it it starts up.


Also there where three recalls on my XJ the master cylinder, rotors, and airbags.
Yea it could be the CPS (crank position sensor) Mine stalled for no reason at times and after I changed it I had no problems
Old 09-22-2009, 02:05 PM
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Cool, it also idles rough. And every time it stalls it happens when I'm slowing down.
Old 09-22-2009, 02:14 PM
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in your case it could also be a camshaft position sensor,and it could be a coil going out.
Old 09-23-2009, 02:55 PM
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Well I'm going to hopefully go and pick it up today. i'll see how it runs.
Old 09-23-2009, 03:27 PM
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i had the same problem with my jeep actually.. and it turned out to be my CPS. i guess its a common problem for jeeps over the years
Old 09-23-2009, 04:19 PM
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well thats good. I have been hearing that a lot. I'm also excited to drive with my new brakes.
Old 09-23-2009, 06:41 PM
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Heeeeep Herokeeees and Ale Had to add that!!! cool (thx myHeep)
Yes the cps is a very common thing, it is the only reason we see an xj at the dealership anymore!
Old 09-23-2009, 06:44 PM
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id def say cps on this one too
Old 09-23-2009, 07:18 PM
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Mine did that it turned out it was the coil. The black cover over it wouldn't let the humidity out and cracked the coil when it got cold. Was so bad I couldnt even park over a puddle. I replaced it and left the cover off and havent had a problem since.
Old 09-24-2009, 06:56 PM
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Yep that fixed it! it still idles just a little rough but at least it runs.
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