Vehicle & Technical > Defender

fuel problem

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Porny:
Just read the original post and was going to suggest the lift pump...
when you unscrewed/changed the fuel filter was it full to the brim?? i.e. spilled over as you unscrewed it??

If only half full (or more than 20mm from the top) then it's a sure sign that the lift pump is failing.


Ian

snezza69:
Hi just replaced the engine in my paperweight. Due to the replecement engine being slightly fire damaged, I replaced some of the bolt ons from the original.  This included the lift pump.  I then discovered that the new engine was from a sherpa (2.5 L Diesel), the old engine was a 2.25L.  I changed the lift pump because it was working fine from the old engine.  Now it is not pulling fuel through.  It primes OK.  I was thinking that maybe because its from a different spec engine the arm is not meeting the CAM correctly.  Any suggestions would be great as this engine change is taking forever now!  Another thing is I am getting lots of white smoke from the exhaust when running.  I have been told this is unused fuel being pushed out.  Would love a second opinion!  While I am here is it worthwhile changing the injectors from the old engine as I know they work fine?  They look the same, should they be compatible bearing in mind the different bore?

Here's to jumping in at the deep end!

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