hi i have just purchased a 1994 12 valve and it didnt leak anything now it seems i am leakin diesel but it really aint that bad new to the diesel game i belive it may be coming from the filter i aint sure help !!!!

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somebody please help me i have no idea where to start

 

replace the filter. could be as simple as a bad o-ring around the top of the fuel filter. start with simple stuff

 

return line.. where the rubber line is goin into the metal line

 

where is the return line at on the truck i think i know just aint sure if it is not either of these what could it be