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Discussion Starter #1
Can you help,
My skyline R33 GTR Vspec occasionally loses boost when it goes, it will only boost to 0. 375psi instead of 0.7psi the car still runs quiet smooth but obviously feels very slugish. When the boost drops it will stay exactly the same until you turn the car off. Then soon as you start the car again it will boost strait back to 0.7psi. Not too much of a problem on non-motorway roads as i can pull over and re-start the car but can get very annoying when on the motorway.
If you have any ideas whats causing this please let me know
Skyman
 

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mine does this
and i have put it down to the afms
they need cleaning.,,.(connectors) as soon as i have cleaned mine i can run for days without this problem
 
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