Mark Carter
Its most likly the pump but first:
What is AMM reading with no EGR at idle?
What is AMM reading with your Mity-vac operating the EGR valve at Idle?
Mark
Modern cars, Its all wizardry and witchcraft
Message Thread 
Vauxhall Astra G 2.0 Y20DTH 2001 - Going into limp mode, Code P0400 # - Richard Shearing June 27, 2014, 10:10 am
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on June 27, 2014, 12:30 pm, in reply to "