Cam Position Sensor Replacement. Need Help Now!
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Senior User
Joined: Jan 2002
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From: waterford nj
Cam Position Sensor Replacement. Need Help Now!
I am in a jam.
I posted yesterday with a question about Cam Position Sensor (CPS) failure symptoms but only got one reply. I was experiencing split second shut-offs while driving.
Well, my truck died completely today and is sitting in a cemetery near my house.
I carry a spare CPS but I was on my way to a wild game dinner and opted to walk home and get my '97 gasser and keep going because i was running late.
I seem to remember a post with clear instructions with pictures on how to change it out.
I carried a 10mm combination wrench along with the CPS but in the 5 minutes I spent looking under the hood, I didn't find a 10mm bolt head where I thought i would find the CMP in the front of the motor.
Can someone give me the link to the procedure?
I got to change it out tomorrow (in the rain) or drag it home with my gasser and wait for decent weather.
Any help will be greatly appreciated.
Scott
I posted yesterday with a question about Cam Position Sensor (CPS) failure symptoms but only got one reply. I was experiencing split second shut-offs while driving.
Well, my truck died completely today and is sitting in a cemetery near my house.
I carry a spare CPS but I was on my way to a wild game dinner and opted to walk home and get my '97 gasser and keep going because i was running late.
I seem to remember a post with clear instructions with pictures on how to change it out.
I carried a 10mm combination wrench along with the CPS but in the 5 minutes I spent looking under the hood, I didn't find a 10mm bolt head where I thought i would find the CMP in the front of the motor.
Can someone give me the link to the procedure?
I got to change it out tomorrow (in the rain) or drag it home with my gasser and wait for decent weather.
Any help will be greatly appreciated.
Scott
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Joined: Oct 2004
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Lay under the front and look straight up to the front of the engine. You'll see a small black plastic thing (CPM) with a wire running to it. Unplug the wire and remove the bolt. I think when I did mine I used an extention, but I can't for the life of me remember if it was a short or long one. Anyway, once you get the bolt out pull out the CPM. I suggest wearing a glove, it might be in there good and may come out while you're pulling hard. If you can't pull it out, somebody on this site told me to use a flat tip screw driver. Don't pry it, just slip it between the CPM and engine then twist. I'd never gotten that thing out if it hadn't been for this site. It has a rubber O-ring on it, I think that's what makes it a pain. Hope this helps.
Senior User
Joined: Jan 2000
Posts: 163
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From: Thunder Bay, Canada
If you are looking at the crankshaft, the sensor is located at the 10 o'clock position, roughly. If you want to use the water pump as your reference it is more like 7 o'clock. There are a couple of photos in my webshots album.
http://community.webshots.com/user/thetimberjack
It's under the F250 repairs folder.
I don't know if you want to use a combination wrench, depends on when the last one was changed, at the least i think you would be better off using a 6 point socket. I had a lot of trouble with mine in december.
good luck
Ken
http://community.webshots.com/user/thetimberjack
It's under the F250 repairs folder.
I don't know if you want to use a combination wrench, depends on when the last one was changed, at the least i think you would be better off using a 6 point socket. I had a lot of trouble with mine in december.
good luck
Ken
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Joined: Mar 2005
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I had one of those replaced and only can remember them being VERY pricey. What is the price range for one of those?
My truck did that also. It putter like a gas engine not getting fuel, then finally just quit.
My truck did that also. It putter like a gas engine not getting fuel, then finally just quit.
Last edited by LawnCafe; Mar 19, 2005 at 11:05 PM.
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Joined: Mar 2005
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Originally Posted by Orezona
I think I paid $88 at the International shop.
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Senior User
Joined: Jan 2002
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From: waterford nj
Thanks for the feedback. Great photos Timberjack.
I guess this isn't going to be a 10 minute job. I always heard it was a quick roadside fix. Looks aggravating.
The truck only has 49,000 miles on it, so hopefully it will come out fairly easy.
The rain today isn't going to help either.
I guess this isn't going to be a 10 minute job. I always heard it was a quick roadside fix. Looks aggravating.
The truck only has 49,000 miles on it, so hopefully it will come out fairly easy.
The rain today isn't going to help either.
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Senior User
Joined: Jan 2000
Posts: 163
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From: Thunder Bay, Canada
I think it would be a quick job most times, the only hard part will be the retaining bolt. You will know right away if it is going to be easy to do. I would expect i could have done it on the roadside if the bolt had been loosened up and coated with anti-sieze periodically, which i will do from now on.
I didn't look at your signature until after i posted before, being a newer truck, it might indeed be easier to replace, wouldn't have had as much time to set in place. Hope you have better luck than i did.
Ken
I didn't look at your signature until after i posted before, being a newer truck, it might indeed be easier to replace, wouldn't have had as much time to set in place. Hope you have better luck than i did.
Ken
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