camshaft position sensor problem
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This is a discussion on camshaft position sensor problem within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; I recently got a CE light code and it threw me the code P0340 and it says camshaft position sensor ...

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    camshaft position sensor problem

    I recently got a CE light code and it threw me the code P0340 and it says camshaft position sensor A circuit bank 1 or single sensor. I have a 02 Subaru wrx impreza. I recently ordered a new sensor, but I would like to know what the problem could be. Also, I'm having a hard time identifying where the camshaft position sensor is at. Can someone please pinpoint the location for me? Any help will be appreciated. Thanks!

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    Moderator T0rque's Avatar
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    have you had a timing belt replaced lately?


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    I recently bought the car last year in October. No, I haven't touched my timing belt. Could it be the belt? I thought it would just be a bad sensor.

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    Moderator Donkey's Avatar
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    The sensor is on the driver side behind the intake cam pulley. Could be a bad sensor or maybe the face of it needs to be cleaned off. It is an electro magnetic trigger.


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    OMG WTF MainFrame's Avatar
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    The sensors do fail, so it might just be as simple as that.

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    I found it, thanks guys! Also, I was running a type rs bov, but I just threw the stock back on because it always backfire and I didn't like the smell. Ever since I threw the type rs bov on, I'll always idle at 500 rpm, while I'm at a complete stop. So I decided to throw the stock bov back on and wanted see if it'll still idle at 500 rpm, while I'm at a complete stopped. I'm still idling at 500 rpm while the car is stopped. Could the camshaft position sensor be causing this? Meaning that the sensor is no good?? I only cleaned the sensor out today. Please help, thanks!
    Last edited by SubaruWRX91; 04-29-2013 at 01:07 PM.

  8. #7
    He simply abides. SD_GR's Avatar
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    Quote Originally Posted by SubaruWRX91 View Post
    But since I threw the stock one back on to see if it i'll go back to 0 rpm, while I'm stopped. I'm still idling at 500 rpm while I'm stop.
    This is a sequence of contradictory statements.
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    Moderator T0rque's Avatar
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    Could be a number of things..


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