rotory wrote:Gentlemen
Just doing some homework as it looks like I may need a new pump, getting white smoke and grey smoke when revving up.
Going to get the codes done again but several times the dreaded 1554 & 1664 have shown up previously. The van starts on the button .......just smokes.
Ant good recommendations for a VP44 supplier please. Martin
rotory wrote:Thank you Karl for the reply,
I did change the timing solenoid last month, no change. Tested the old one on 12v and it does click. The van did go through a period of difficult starting but now cleared and starts as soon as the key is turned.......but smokes, lots when revved.
Think the pump is not getting hammered enough as it’s a Motorhome and will probably have to be replaced. Going to conform the part number in the morning before ordering a refurb one
Many thanks
Martin
karl wrote:a vp44 pump has the timing solenoid built in the pump
they are not like the vp30
as the vp44 has a fuel advance piston inside it, apparently these can stick causing over fuelling or they dont start or they take for ever to start
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