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Old 01-08-2010, 12:02 PM   #1 (permalink)
juice420
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Code P0335 - Crankshaft Position Sensor

Truck died on me while on the highway - running very rough and loud. MIL came on so I hooked up a scanner and it came up with code P0335 - Crankshaft Position Sensor. I cleared the code and it comes back when cranking. Truck won't start at all. I picked up a new sensor but can't find where it is. The guys at Napa printed out a diagram and it shows the front right of the engine compartment. I looked but can't see it. Is it behind the power steering pump? Do I need to remove anything to change it? Any pics would be helpful. Thanks.
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Old 01-08-2010, 12:15 PM   #2 (permalink)
juice420
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Thought I would add that I am away from home - going on days off on Monday so I need to get this girl running by then. I'll have to do this outside and it's -38 celcius right now with wind chill so any help to make this easier would be greatly appreciated.
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Old 01-08-2010, 12:39 PM   #3 (permalink)
ak diesel drive
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It's in the bottom of the timing cover. From what I've read they can be a real pain to get out. It gets real old and brittle. Good luck
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Old 01-08-2010, 01:50 PM   #4 (permalink)
juice420
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I found the sensor quite easily by going under the vehicle. Now I just have to remove it and install the new one. Will post results when/if I get 'er done.
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Old 01-08-2010, 03:58 PM   #5 (permalink)
juice420
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Got the sensor changed. Not that hard at all. The old one was damaged. A chunk of the plastic housing was broken off and the magnets at the end look like they had been grinded down like something was hitting it. Still no go. The truck cranks and cranks but will not fire. I am hearing a knocking while cranking and it will sputter a bit but won't go. Also it is still throwing the P0335 code. Any ideas?
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Old 01-08-2010, 05:17 PM   #6 (permalink)
ak diesel drive
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optic sensor?
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Old 01-08-2010, 06:37 PM   #7 (permalink)
JMJNet
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How is your LP?

IIRC, when changing the CPS, you may have to let the truck learn it. I am not sure though. There is a procedure on how to do it but I have not done it before.
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Old 01-08-2010, 08:07 PM   #8 (permalink)
juice420
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Quote:
Originally Posted by ak diesel drive View Post
optic sensor?
How would I test that? Is there info in the stickies about testing it?
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Old 01-08-2010, 08:11 PM   #9 (permalink)
juice420
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Quote:
Originally Posted by JMJNet View Post
How is your LP?

IIRC, when changing the CPS, you may have to let the truck learn it. I am not sure though. There is a procedure on how to do it but I have not done it before.
As far as I can tell the LP is working. I just replaced my fuel filter today and I am getting fuel out of the bleeder. I can hear the LP working when i turn the key and I am getting fuel out of the T-valve.

I tried unplugging my batts for 1/2 hour and that didn't help. I unplugged the PCM a couple of hours ago and brought it inside. I'm gonna go plug it in right away and see if that makes any difference.

I just hope I didn't bust the crank or anything the way the sensor looks. I will try to post a pic later.
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Last edited by juice420; 01-08-2010 at 08:11 PM.
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Old 01-08-2010, 08:14 PM   #10 (permalink)
juice420
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Quote:
Originally Posted by JMJNet View Post
IIRC, when changing the CPS, you may have to let the truck learn it. I am not sure though. There is a procedure on how to do it but I have not done it before.
I wish I could get my hands on a scanner that would do a TDCO reset. I just bought a scanner a few days ago but I can only read and clear codes. For ODBII is there any other way to do a reset without a scanner?
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