hard to start diesel engine

[bluehornet]

i own a nissan serena 2.3 diesel which starts great when cold but is a pig to start when it gets hot.its just had a service and made no difference.can anyone help?

[stanleyman]

Fuel can thin out or vaporise in the pipes when hot, try pouring cold water over the fuel system to see if that works. You should really let an engine idle to cool down for a while before stopping it. If it is high mileage it's probably a combination of wear or sticking rings as well.