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Intermittent low power

Discussion in 'VW Mk3 Jetta, Passat TDI and other/older diesels' started by Schwiete, Jun 1, 2012.

  1. Schwiete

    Schwiete New Member

    Joined:
    Jun 1, 2012
    Messages:
    1
    Car:
    1997 Passat
    My '97 Passat has set 2codes - p0605 & p0101. It's power/boost is erratic. Many times revving above 2500 rpm will fix the problem, but not always. It will also surge under load sometimes. I've checked and cleaned the air filter housing. It has the Pierburg maf, which from my my Internet reading is usually not the issue. I haven't replaced the ECU internal hose. That's my next step. Any thoughs or suggestions would be appreciated.
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  2. chittychittybangbang

    chittychittybangbang Administrator

    Joined:
    May 23, 2007
    Messages:
    20,925
    Car:
    2006 Jetta TDI
    Location:
    CT

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