UK2000 wrx fuel rail pressure?
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Scooby Newbie
Joined: Jan 2024
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From: Shetland
UK2000 wrx fuel rail pressure?
Hi all, i’ve done the parallel fuel rail mod with a sytec fuel pressure regulator, car runs 0.5bar of boost as standard still so we set the fuel pressure regulator to 2.6bar at idle as recommended, AEM UEGO AFR gauge reads a really lean reading now. Wondering if i should turn up the fuel? Thanks.
Joined: Apr 2002
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From: The hell where youth and laughter go
Sounds a bit low to me for any fuel injected car. Cant remember specific pressure on a scoob, but most cars run about 45 psi and 50psi is the usual maximum. So that's about 3.1 to 3.4 Bar.
Indeed I know a bone stock 1.8 MK2 focus will detonate like crazy at 35psi (that was a head scratcher at the time until I put a gauge on it)
Indeed I know a bone stock 1.8 MK2 focus will detonate like crazy at 35psi (that was a head scratcher at the time until I put a gauge on it)
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