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Car Forum / Ford / Ford Trucks / April 2006

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camshaft position sensor on my psd

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Robert Megee - 26 Apr 2006 22:58 GMT
After a year and a half, the third camshaft position sensor on my 2000
f250 4x4 psd has started acting up.  I would really like to replace it
with a more reliable version of this device.   Anyone know if one is
available and where it might be purchased?

thanks,

Robert
Spdloader - 27 Apr 2006 00:00 GMT
I went to International for my replacement.

How is yours "acting"?

Spdloader

> After a year and a half, the third camshaft position sensor on my 2000
> f250 4x4 psd has started acting up.  I would really like to replace it
[quoted text clipped - 4 lines]
>
> Robert
Robert Megee - 27 Apr 2006 00:27 GMT
I get a momentary engine stall as I am driving.  The check engine
light goes on, tach goes to zero.  It happens a few minutes after I
start as it is warming up.  The last couple of time it progressed to
stalling for up to a couple of minutes.  There is no code thrown.  
I decided it was this sensor by duplicating the symptom by shorting
the sensor leads.  In the past replacing the sensor has alleviated the
symptoms for a year the first time and a year and a half both the
second and third times so I'm convinced that it is the culpret.

Robert
>I went to International for my replacement.
>
[quoted text clipped - 10 lines]
>>
>> Robert
SnoMan - 27 Apr 2006 00:57 GMT
>I get a momentary engine stall as I am driving.  The check engine
>light goes on, tach goes to zero.  It happens a few minutes after I
[quoted text clipped - 4 lines]
>symptoms for a year the first time and a year and a half both the
>second and third times so I'm convinced that it is the culpret.

They work by magnetic reluctance and magnets age with time and
tempature cycles until they become unreliable. You might check
clearance between sensor and camshaft because if it is a few thousand
to big, it will make the sensor "fail" prematurely as it weakens.
-----------------
The SnoMan
www.thesnoman.com
Robert Megee - 27 Apr 2006 03:55 GMT
>They work by magnetic reluctance and magnets age with time and
>tempature cycles until they become unreliable. You might check
>clearance between sensor and camshaft because if it is a few thousand
>to big, it will make the sensor "fail" prematurely as it weakens.
>-----------------
>The SnoMan
Good idea.  Should be able to measure the depth from the block
surface.  Hopefully there's a spec for it some where.  
thanks.

Robert
JohanB - 27 Apr 2006 05:01 GMT
Make sure the engine wire loom isn't rubbing somewhere

They go bad but 3 in a year/half is a lot

If its the sensor it usually throws a code, if you loose power to pcm engine
stalls with no codes

> After a year and a half, the third camshaft position sensor on my 2000
> f250 4x4 psd has started acting up.  I would really like to replace it
[quoted text clipped - 4 lines]
>
> Robert

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