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Error Code P0100

Discussion in 'Electrics, Vacuum, Ignition and ECU' started by S.Speed, Nov 5, 2012.

  1. S.Speed

    S.Speed Senior Member

    Messages:
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    Joined:
    Apr 12, 2009
    Location:
    Lancashire
    Your Mercedes:
    Saab 9-3
    I have got an engine error warning symbol lit up..
    I plugged the gizmo in and it proclaimed a code P0100 mass or volume air flow circuit voltage too low..

    BUT, My car runs absolutely spot on without the slightest drop off in performance.. In fact I burned off a so called hot hatch from the lights without any problem at all..
    It revs all the way to the red zone if I choose to...

    I realize it usually means the MAF is on the way out but surely I would notice "limp home mode"??
    Or is the fact I have the EGR shunt in position stopping limp home mode ???

    I dont want to splash out on a MAF if there is nothing wrong with mine..
    What would you suggest ?

    Mileage is now 64k
     
    Last edited: Nov 5, 2012
  2. Steve@Avantgarde

    Steve@Avantgarde Forum Supporter Authorised Forum Supporter

    Messages:
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    Joined:
    Dec 8, 2009
    Location:
    Bristol/Somerset
    Your Mercedes:
    C220CDI AMG Line Premium, SLR McLaren Roadster, SL55 & C32AMG
    You can actually check the MAF performance on STAR and see what its operating range is. That will tell you if its fubar'd or not!
     
  3. OP
    S.Speed

    S.Speed Senior Member

    Messages:
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    Joined:
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    Location:
    Lancashire
    Your Mercedes:
    Saab 9-3
    Thanks Steve..
    I have my car booked into the MB dealership on another matter on Wednesday afternoon and so I my "risk" them having a look then.
     
  4. television

    television Always remembered RIP

    Messages:
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    Joined:
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    Location:
    Daventry
    Your Mercedes:
    2002 SL500, 216 CL500, all fully loaded
    Give it a hard run Simon to see if you can turn the lamp off, it could be a result of all the testing that has been done
     

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