On Thu, 2 Oct 2008 23:39:53 +0100, "fred" wrote:

What kind of variation should I expect between off and running?
Off (cold) it's about 1.5 bar rising to around 2 bar when hot.
New system, Worcester Bosch Greenstar 30cdi
Cheers.

That's fine, although I would check the instruction book as 1.5 is a
tad high for cold, but nothing to worry about.