Edit: I am an anus for not reading the first post fully...
Sounds like the pump is getting starved of fuel...
After reading you changed the filter, it's possible there's a blockage in the system somewhere. Meh, I'll leave in the filter pics as dirt just doesn't gather there
![[Image: Image449.jpg]](https://lh5.googleusercontent.com/-p-O9_xQQRYk/UVTLHPmkUDI/AAAAAAAAAD4/7oZMynmGzic/s720/Image449.jpg)
![[Image: Image450.jpg]](https://lh5.googleusercontent.com/-DKB3X5tuNwI/UVTLE2q14RI/AAAAAAAAADo/cMFTgcNwUng/s720/Image450.jpg)
![[Image: Image452.jpg]](https://lh5.googleusercontent.com/-j_0CWEwIWnA/UVTLJrLSneI/AAAAAAAAAEA/pcBt0_Xb1uU/s720/Image452.jpg)
That filter did just 5k miles and all, Irish washed diesel problem in a nutshell!
You could also try the sender, in my old car it wouldn't rev properly until I took out the sender and cleaned it
![[Image: Image254.jpg]](http://www.fiatforum.com/gallery/data/500/medium/Image254.jpg)
I don't think your post says you did so...
Also, seeing as you have a 2.1, Lucas or Bosch?
Sounds like the pump is getting starved of fuel...
After reading you changed the filter, it's possible there's a blockage in the system somewhere. Meh, I'll leave in the filter pics as dirt just doesn't gather there
![[Image: Image449.jpg]](https://lh5.googleusercontent.com/-p-O9_xQQRYk/UVTLHPmkUDI/AAAAAAAAAD4/7oZMynmGzic/s720/Image449.jpg)
![[Image: Image450.jpg]](https://lh5.googleusercontent.com/-DKB3X5tuNwI/UVTLE2q14RI/AAAAAAAAADo/cMFTgcNwUng/s720/Image450.jpg)
![[Image: Image452.jpg]](https://lh5.googleusercontent.com/-j_0CWEwIWnA/UVTLJrLSneI/AAAAAAAAAEA/pcBt0_Xb1uU/s720/Image452.jpg)
That filter did just 5k miles and all, Irish washed diesel problem in a nutshell!
You could also try the sender, in my old car it wouldn't rev properly until I took out the sender and cleaned it
![[Image: Image254.jpg]](http://www.fiatforum.com/gallery/data/500/medium/Image254.jpg)
I don't think your post says you did so...
Also, seeing as you have a 2.1, Lucas or Bosch?