2001 E46 323i, OBD Code P1529

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Thread: 2001 E46 323i, OBD Code P1529

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  1. 2001 E46 323i, OBD Code P1529 
    #1
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    Dal K's Car Details
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    The P1529 OBD code (intake camshaft position sensor bank 1)continues to stay on in my 2001 323i even though I have replaced the sensor.
     
     

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    where did you get the sensor from? and you definately changed the inlet and not the exhaust cam sensor? also you should get the fault codes read with a BMW specific scanner as Pxxxx codes are not as precise.
     
     

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    #3
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    I definately changed the intake sensor which is an authentic BMW sensor. I am using an aftermarket CodeReader OBD scanner but I have also had the car scanned by a BMW dealer who obtained the same fault code.
     
     

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    It would be worth trying a second sensor from the dealers, tell them that the one you got from them is faulty, if then this still doesn't cure it then you will need to get the wiring checked from sensor to DME(ECU) by a auto electrician.

    You could also get a auto electrician to verify if the sensor is actually working correctly through his diagnostic scanner(oscilloscope option if fitted).

    May be worth getting the camshaft timing checked also.
     
     

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    Thanks Ronnie, I will have the wiring tested. Isn't the camshaft timing controlled automatically by the computer? or can it be set manually?
    Thanks, Dal
     
     

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    Quote Originally Posted by Dal K View Post
    Thanks Ronnie, I will have the wiring tested. Isn't the camshaft timing controlled automatically by the computer? or can it be set manually?
    Thanks, Dal
    It is first and foremost set mechanically, if the head is taken off then the cams need setting up in coordination with the crank, once this is set up the cam timing can be adjusted a small degree by the Twin Vanos, which is variable valve timing, controlled by oil pressure AND the DME(ECU), through the use of a couple of solenoids.
     
     

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