got disco fired up today by towing it. Drained fuel which was blue/black in color, probably as a result of hoses being connected wrongly to fuel pump. Diesel in fuel filter was like tar. Purged air several hunderd times by all manner and means discussed, it still would not start. Towed it and...

sorry for causing such a hornets nest. my original question is still unanswered, could I have caused some damage by hoses being connected in wrong order ? i.e flow return etc.. I tried all given tips today, no joy. I changed fuel filter, fuel was black in filter. could this be a result of hoses...

Hows it goin, Iam a virgin on this site so be gentle. I changed a whinney pump and connected the lines back wrong. It drove but noticed a lack of power, had put the white and green wrong way round. It wont start after being fine, changed pump again line right way round. still wont start. Have...