That would not cause your fault. Whats the duty cycle on the control valve ?
on December 8, 2012, 9:14 am, in reply to "04 vectra 19DT. excessive pump pressure"
What does the vehicle do when the control valve is electrically disconnected ?
Mark
Modern cars, Its all wizardry and witchcraft
Message Thread 
Vauxhall Vectra Z19DT 2004 - Excessive pump pressure, codes P0090-09, P0088-07 - Unresolved # - Andy Broomhead December 7, 2012, 9:56 pm
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