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Thread: CDTI 150 P0002 & P0090 Codes

  1. #1
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    Default CDTI 150 P0002 & P0090 Codes

    Hope someone can point me in the right direction or had experience of these codes before? The car will start and rev fine, as soon as you start to drive P0002 is stored and goes into limp mode then if you try and accelerate further the engine cuts out and P0090 is stored.

    P0002 Fuel Metering Solenoid Valve Circuit Range/Performance
    P0090 Rail Pressure Control Solenoid Valve Circuit Range/Performance (Positive Deviation)

    I've filled the tank and changed the fuel filter, the low pressure pump seems to fill/prime the filter quickly. The next job was to leak test the injectors.

    Does anyone have any other suggestions?

    Thanks!

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    Hi got the same code : P0002(75) - Unknown DTC
    P0002(5B) and P0090 (0A)
    I already changed High Pressure Pump for brand New, Rail regulator, Turbo,
    1 leaking Injector and Even ECU but the same thing happening :/
    any luck with Your Vectra ?

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    The P0090 is occurring because the difference between actual rail pressure and desired rail pressure is greater than 25MPa for more than 0.75sec. Lifted straight from TIS2000!!!

    This is likely caused because the fuel metering solenoid is unable to correctly maintain the desired rail pressure.

    From TIS, A P0002 as you describe is:

    The control unit recognises a mechanical malfunction of the following component via an internal evaluation logic:
    High pressure section

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    Regular Member dbgb25's Avatar
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    got same problem any luck on this problem

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    Regular Member alanv6's Avatar
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    Are you running a tuning box...?

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    I don't know anything about this engine so apologies if I'm talking b*****ks, but if the rail pressure sensor isn't functioning properly, wouldn't you get the same problem as described by hebblemarine?
    The rail will have both a PCV (pressure control valve) and a RPS (rail pressure sensor). The PCV will likely be controlled through feedback from the RPS to regulate the rail pressure generated by the HP fuel pump at the given engine speed. If the HP fuel pump is ok and there are no leaks, then maybe the sensor is faulty?
    Again, sorry if I've misunderstood; not my area of expertise!

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    Vehicle : Golf 7

    Trim : GTD

    Engine : 2.0 TDI 184PS

    Year : 2014

    Mileage : 40000

    Default

    it can be a source of problems and only needs a clean. Get someone who knows what they're doing to tackle this as the pressure in a common rail system can cause permanent injury to being fatal.

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    Yep, common rail systems can produce around 2000bar at operating pressure - bear in mind that a typical jet washer may produce up to 150bar, so this is serious pressure!

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    Regular Member kirkyoke's Avatar
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    Hi Folks,
    Similar thing here :
    Vectra cdti 120 (2004) will not start off the key either hot or cold, battery is fine it turns over normally but will not fire, however it will bump start no problem, once running it's fine until you switch it off again even if only for 5 seconds, had the codes read and it comes up with :-
    P0002 Fuel Metering Solenoid Valve Circuit Range/Performance
    P0090 Rail Pressure Control Solenoid Valve Circuit Range/Performance (Positive Deviation)
    Live Data in Opcom shows 12-13MPa when cranking, desired pressure is 30.00MPa
    A friend suggested the high pressure pump weak?
    Any help greatly appreciated,
    Thanks
    Last edited by kirkyoke; 11th March 2012 at 22:48.

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    Regular Member dbgb25's Avatar
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    Im change the regulator on the high presure pump and happy day runs like a dream. But after a week my pump in tank start getting noisy and its looks like very high presure is coming in to fuel filter . Looks like I need to change again but this time to new one.

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