Something is wrong with your van. Check the fuel delivery return and supply hoses for leakages. Look out for signs of fuel stains.
Any air getting into the system would result in difficult starting after prolonged parking.
Try priming the fuel by mechanically pumping the fuel pump to test if it is easier to start.
Check the glow plugs. The relay might be working to supply glow plugs but if the glow plugs are bad, they would not help to preheat the engine.
Wednesday, May 15th, 2013 AT 7:19 AM