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post #1 of 13 Old 12-08-2006, 10:26 PM Thread Starter
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Help Me Asap!!!

so as i was driving home, almost instantly my check engine light came on and my r.p.m's dropped to about 600 and my truck will run but very very rough i could barely get it to do 45 to get home, can anyone tell me whats going on??? i have superchips programmer, afe intake, 4 in. banks exhaust with the power elbow at the turbo, and banks yurbo wheel
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post #2 of 13 Old 12-08-2006, 10:37 PM
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How many miles? Ever replaced the CPS? Sounds like a good possiblity. Mine went out in similar fashion.

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post #3 of 13 Old 12-08-2006, 10:40 PM Thread Starter
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sorry im new CPS? not as far as i know and 86,000 miles
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post #4 of 13 Old 12-08-2006, 10:45 PM
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no problem. welcome to the site.

CPS is the camshaft position sensor. Ford calls it the CMP I believe. Its fairly common on the 7.3's. I just replaced mine 2 weeks ago with 93k miles on the truck. With the right tools it only takes about 10 minutes to replace. You can find them on Ebay for about $60. Ford will charge you $150 or more from what I've heard. Most guys here even carry a spare even the glove compartment. I'll see if I can dig up some other posts about them with some instructions on replacing them. You'll need a 10mm socket and ratchet with at least a 3" extension and you're good to go.

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post #5 of 13 Old 12-08-2006, 10:48 PM Thread Starter
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o ok...so the same thing happened to you huh?? i just dont want to do that if it turns out to not be that
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post #6 of 13 Old 12-08-2006, 10:52 PM
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Here's a good post on the replacement. ---> LINK

If you have any codes, that would be a good place to start diagnosing. I'm pretty new at diesels myself and just from reading a lot of posts on here, as soon as it starting happening, the CPS was my first thought. With your mileage, I would say the chances are very good that the CPS is going out. You can do a search for "camshaft position sensor" on the site and find lots of threads about the subject.

Hope that helps.

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post #7 of 13 Old 12-08-2006, 10:54 PM Thread Starter
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i think thats what ill do first is run a scan on it...thanks for all the help, much appreciated
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post #8 of 13 Old 12-08-2006, 10:55 PM
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No problem. Good luck. Keep us posted.

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post #9 of 13 Old 12-09-2006, 04:09 AM
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get us codes

I highly doubt your problem is a cps.
post #10 of 13 Old 12-09-2006, 04:25 AM
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if your tach moves when you crank it over its not your cps

2000 Ford f250 powerstroke. 6 speed, orange ext. cab 4 inch bds lift with 315/75/16 on eagle 589 wheels, k&n, straight pipe, autometer gauges, bully dog 6pos. chip,foil delete, DIY tymar intake, and homemade exhaust brake


CHECK OUT MY GARAGE


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