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  1. fouryoghurts

    2.5tdi intermittent powerloss

    No. No exhaust pressure sensor/measuring block for this. I've had honeycomb sliding sideways inside exhaust and choking the car...but if uv seen to the exhaust, not likely...
  2. fouryoghurts

    2.5tdi intermittent powerloss

    Was there much carbon buildup about egr or manifold? The exhaust noise...can u monitor exhaust back pressure?
  3. fouryoghurts

    2.5tdi intermittent powerloss

    Sound like sticky waste gate/egr. When u scan, monitor live data on egr position & air mass. Confirm egr only during idle and part load. If ur scanner allows, actuate egr at idle and monitor air mass -> should drop proportionally as exhaust gas introduced.
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