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E90 - Crankshaft Position Sensor seems struggling, how much would it cost to replace?

  • 03-04-2021 5:21pm
    #1
    arleitiss
    Registered Users, Registered Users 2 Posts: 3,515 ✭✭✭


    Today my car struggled to start, it takes about 5-6 seconds of cranking until it starts up. (BMW E90 LCI - 318D - 2009).

    It starts but I feel like this might be a hit-and-miss start.

    My generic OBD scanner says: P0336 - Crankshaft Position Sensor
    https://i.imgur.com/7CM7b8K.jpg


    1) Just wondering what would average replacement cost?
    2) (I assume it can fail to start any moment), I am going to continue to drive it locally until next week (when I have mechanic booked), would this damage engine in any way? (Can this cause any sort of valve/piston collision or cause further damage)?


    The video of startup process currently:
    https://youtu.be/d48Vr5RoB3U



    The car drives well (after start-up) but sometimes intermittently there is powerless at around 1.3k RPM, once it reaches 2k RPM - it takes off with no issue.


Comments

  • #2
    mickdw
    Registered Users, Registered Users 2 Posts: 23,686 ✭✭✭✭mickdw


    Any errors relating to positioning of cam or crank could be down to stretched timing chain.
    Those engines are no stranger to a stretched chain but i guess that is worst case scenario.


  • #3
    arleitiss
    Registered Users, Registered Users 2 Posts: 3,515 ✭✭✭arleitiss


    mickdw wrote: »
    Any errors relating to positioning of cam or crank could be down to stretched timing chain.
    Those engines are no stranger to a stretched chain but i guess that is worst case scenario.

    Your guess was correct.

    Stretched Chain, Faulty EGR and Crank Gear.

    So I am going for replacement of all those + clutch with flywheel.

    :(


  • #4
    mickdw
    Registered Users, Registered Users 2 Posts: 23,686 ✭✭✭✭mickdw


    arleitiss wrote: »
    Your guess was correct.

    Stretched Chain, Faulty EGR and Crank Gear.

    So I am going for replacement of all those + clutch with flywheel.

    :(

    Jesus that will set you back. Is it economical to do it?


  • #5
    CoBo55
    Registered Users, Registered Users 2 Posts: 9,610 ✭✭✭CoBo55


    arleitiss wrote: »
    Your guess was correct.

    Stretched Chain, Faulty EGR and Crank Gear.

    So I am going for replacement of all those + clutch with flywheel.

    :(

    Absolute lunacy on a 12 year old car. Did you get a price for all that work? It's going to be sore, prepare for open wallet surgery:mad::mad:


  • #6
    arleitiss
    Registered Users, Registered Users 2 Posts: 3,515 ✭✭✭arleitiss


    mickdw wrote: »
    Jesus that will set you back. Is it economical to do it?

    Yeah I can't afford new car currently, everything else is running perfect so €2200 total for all of those is the only option for me.

    Not very economical for an old car but that's the only option unfortunately.


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  • #7
    CoBo55
    Registered Users, Registered Users 2 Posts: 9,610 ✭✭✭CoBo55


    arleitiss wrote: »
    Yeah I can't afford new car currently, everything else is running perfect so €2200 total for all of those is the only option for me.

    Not very economical for an old car but that's the only option unfortunately.

    That isn't too bad, I'd have expected double that tbh.


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