Hi, I have a 90 with the 19J TD engine, it was working fine when i parked it up 5 years ago, however it now wont start as there has been a lot of sludge / treacle collected in the bottom of the tank. I have cleaned out the tank and all fuel lines replaced filter. The problem now is that the...

Hi, I have a 90 with the 19J TD engine, it was working fine when i parked it up 5 years ago, however it now wont start as there has been a lot of sludge / treacle collected in the bottom of the tank. I have cleaned out the tank and all fuel lines replaced filter. The problem now is that the...