P0336 Crankcase Position Sensor

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  #1  
Old 01-21-08, 05:53 AM
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P0336 Crankcase Position Sensor

Hi all:

I got the above message from my OBDII code reader on a 1998 Oldsmobile Eighty-Eight with a 3.8 L regular engine (no supercharger).

The engine also makes a noise (as of a few days ago shortly after the check engine light came on) that sounds like something rubbing - sort of like a scraping sound. The noise comes and goes intermittently regardless of speed (or even during idle).

If you have some idea of what causes this, do you have any idea what the rough repair cost might be?

Thanks in advance for any and all answers.

Cheers,

quickcurrent
 
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  #2  
Old 01-22-08, 04:52 AM
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Sounds like your crankSHAFT position sensor has gotten knoocked out of place and is rubbing. Here's info:

http://www.autozone.com/az/cds/en_us...rInfoPages.htm

Probably be able to get it replaced for about $100 depending on labor rates in your area.
 
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Old 01-22-08, 06:44 PM
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Excellent response the_tow_guy. Very informative and specific article. Sounds like a lot of work for $100, though!

I read something elsewhere on the net about the crankshaft reluctor wheel possibly being involved, and someone apparently spent some $600 on labor and $100 on parts after his mechanic did a bunch of different things trying to cure the problem. That's why I wanted to get a bit of a handle on what the problem might be and this seems to be something similar to what he had, with different terms being used.
 
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Old 01-23-08, 05:57 AM
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I was basing $100 on $30 for the part and an hour's labor. Could be more (in some areas the labor could be $100 by itself and some places really mark up parts costs), but I certainly don't think it would approach $200.

Here's some more good reading:

http://www.gearchatter.com/viewpost13584.php
 
  #5  
Old 01-23-08, 07:45 AM
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Good stuff. I think I's read that before but thanks anyways.

It does sound like the problem is the sensor rubbing on the reluctor wheel. Hopefully there is no damage to the reluctor wheel yet, which would drive up the cost. I'm going to take it in soon to get this fixed. And maybe get my serpentine belt replaced while he is at it - it's the second one on this car! and again has small transverse cracks on it that make the belt chirp. I've been putting belt dressing on it to quieten the noise, so this is a good opportunity to get the belt replaced again.
 
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Old 01-23-08, 08:56 AM
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If they are original, might be a good time to replace the tensioner & pulley and idler pulley. Nothing worse than putting a brand new belt on and three weeks later having one of these fail and take out the belt, too.
 
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Old 01-23-08, 06:09 PM
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Keep in mind that general diagnosis will cost at least $50.00. To replace the sensor, an additional 1.0 hours at least, or about $100.00, will be added plus the cost of the part. If the pick up needs replacement, you may as well figure at least 2 hours, or about $200.00, to get it done. These are approximate prices, as all facilitie's hourly labor rate is different, and use variable sources to determine labor time to do the job.
 
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Old 01-23-08, 06:39 PM
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OK, thanks a lot for your input guys.
 
  #9  
Old 01-29-08, 02:17 PM
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I had my crankcase position sensor, serpentine belt and pulley replaced today - the mechanic told me the pulley was gone! Cost $542 ouch...(2 hours labor plus parts).

Hopefully the P0336 code won't come back, the chirping noise from the belt is gone, but the grinding noise is still there. Looks like the P0336 and grinding noise were unrelated. I think the noise is my blower motor because when I turn it off the noise stops. Only thing is the blower is needed at this time of year in the northeast LOL.
 
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