webbs1 Posted April 2, 2016 Share Posted April 2, 2016 Hi Need some help ? It started with the 2004 defender 110, very noisy pump in the fuel tank which has now been replaced 3 times to no avail, next was the diesel filter by the wheel arch and also the injector seals have been replaced still the the pump is somewhat noisy and the vehicle is now struggling to go over 50mph as if it is struggling for fuel ? any idea what to do next ??? Quote Link to comment Share on other sites More sharing options...
Happyoldgit Posted April 2, 2016 Share Posted April 2, 2016 Moved to the Defender section. Welcome to LR4x4, I'm sure someone will be along to answer your question shortly Quote Link to comment Share on other sites More sharing options...
gazman Posted April 3, 2016 Share Posted April 3, 2016 I had similar. I changed the fuel pressure regulator and the air bleed valve at the same time. no idea which one cured it bit it's now running great Quote Link to comment Share on other sites More sharing options...
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