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Thread: Crank Sensor = Limp Mode??

  1. #1
    Regular Member si_hoss's Avatar
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    Default Crank Sensor = Limp Mode??

    Hey all,

    My 2.2dti keeps going into limp mode randomly making the car dangerous to drive! My mechanic read the codes and only found the crank sensor has flagged up, but he suggests that wouldn't put it into limp mode. Can anyone tell me if this is true. I cleaned my egr valve out and boost sensor but obviously it's not solved it.

    Also, is changing a crank sensor something I can do on my driveway, and are they expensive?

    Cheers all!

  2. #2
    Full Member bobssignum's Avatar
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    Vehicle : Signum 2.0 DTi

    Trim : Elegance/Elite

    Engine : 2.0DTi

    Year : 2003

    Mileage : 73350

    Default

    If you use the on line vaux parts dealers this sensor is around £20, to change one fairly straight forward , to be found at the front of thee engine on the right hand side , below the inlet manifold
    Driving vauxhall,s for 30 + years
    and still loving it

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    Regular Member macdad's Avatar
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    Well i'll tell you what ,my car (2.0dti)was doing the same thing,had the codes read......
    They were...
    P0122-Fuel Pump

    p0335 Crank Sensor

    P0340-Cam Sensor
    The Mech said that it was almost certain to be the fuel pump knackered,so was resigned to scrapping the car,anyway cut a long story short,i bought a crankshaft sensor and fitted it ,easy job this was 2 months ago and the car is as right as rain,for the price mate i'd get one fitted see how you go.
    Thing that got me though was the camshaft code, apparently it doesn't have one.

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    Regular Member macdad's Avatar
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    Can't we get this double post problem sorted,doin my heed in.

  5. #5
    Regular Member si_hoss's Avatar
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    Thanks for the quick replies guys! I'll look at getting one tomorrow then as I have the week off. Time to dig the Haynes manual out I think!

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    crank sensore = car drives like a pig and sounds like a bag of spanner in a tunble dryer.

  7. #7
    Regular Member si_hoss's Avatar
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    Quote Originally Posted by roswell View Post
    crank sensore = car drives like a pig and sounds like a bag of spanner in a tunble dryer.
    Hey you just described my car! Strangely that makes me feel much better lol. I bought a sensor for £32 from Bennetts today who had it on shelf, so may say something. I'll fit it tomorrow on my day off.

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    Regular Member m8internet's Avatar
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    Quote Originally Posted by si_hoss View Post
    My mechanic read the codes and only found the crank sensor has flagged up, but he suggests that wouldn't put it into limp mode. Can anyone tell me if this is true
    Find a different mechanic
    The camshaft sensor failure will simply put the EMS warning on (as the EMS can continue to use the crankshaft sensor)
    However, the crankshaft sensor failure puts all VX engines straight into safe mode
    I've had both numerous time

    Also, when the crankshaft sensor fails it is recommended to replace the camshaft sensor as well, as it will not be long behind

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    as above , you nearly scrapped a perfectly good car cos your mech knows **** all !

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