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Old 01-03-2021, 05:46 PM   #4
Scooby Newbie
Member#: 521349
Join Date: Dec 2020
Chapter/Region: South East
2005 STI
Aspen White


Originally Posted by Nway0455 View Post
5w40 Motul X Clean, it always starts right up in the mornings even when cold but it revs high and if I try to drive before it reaches about 120 coolant and I get to a stop sign the idle will hunt a little bit going from rich to lean afrs. Iíve looked into it but that seems to be fairly common with aftermarket fuel set ups. Only does that when itís cold thatís what I meant when I said it hates life until itís warmed a bit, however this new one is not something Iíve encountered before.
Interesting. Kind of sounds like your fuel pump simply wasnít reaching the fuel at that angle.
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