Fuel leak

[ssray]

Hope i hav`nt effed up here, i have been running 50-50 veg and diesel,then truck starts(or not) playing on 1st startup in t morning,i found a puddle of clear fluid when i parked somewere new and i`ts fuel. I removed the air box and fr wheel and traced the flow/return lines to the IP hoping one was split- no luck there, i cant see where the leak is as its dirty and oily i will jet wash in the next few days, any idea how much we are talking if i have a IP problem? is it something i can rebuild myself?
cheers Ray

[TonyN]

Veg oils seems to find any suspect seals, Phillip had a leak from the top of his fuel pump earlier this year, but he got it sorted without any problems.

[ssray]

i checked with 2 diesel engeneers, the consensus is that its the throttle spindle and bush that wears(not my 50-50 veg diesel mix---phew )
any one done this ? its not a pump out job but a bit fiddley, cost between £90-150. can i do this at home??? i have a nice selection of hammers .