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Inconsistent Boost

1K views 4 replies 3 participants last post by  PCWRX01 
#1 ·
I've just got my first WRX; a standard 2001, but I'm ecstatic! My problem is the boost keeps restricting itself down by 50% every now and again, and sometimes it doesn't. I was told the comp. is putting it into 'safe mood'!? Any help from you WRX guru's?
 
#5 ·
The CEL was on initially until I changed the fuel, and now its off, but the boost still restricts itself every now and then. I've just got the CEL report which says something about Fuel Trim malfunction. Fuel here in Kenya is pretty bad most of the time and very low on octane. Could that be the reason? Is there a ratio for octane boost to litres?
 
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