We have just replaced the fuel filter as we noticed it was surging when revs held and lots of Blue diesel smelling smoke.
Now it will rev up over 4000rpm when stationary.
Reset all codes and given it a good roadtest.
Initially was all ok, drove as it should then a sudden loss in power, would not go above 4000rpm
with foot flat down, no or very little turbo boost felt.
Re scanned for codes..
now have codes P0246, P0380 present and will not reset.
Finding it difficult to find any reliable test data apart from codes. any help is appreciated...
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