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LAck of Power at 2500rpm

PostPosted: Sun Feb 26, 2017 3:20 pm
by Russ tiger
Hi all,

My car is a MY08 Liberty GT Tuned by STi running an EJ 2.5L Turbo with 6 Speed manual.

For the past couple of months I have been having problems that when I get to about 2500rpm in any gear, it seems to pause with nil power until i hit 3000 rpm
and then it goes hard. As long as I keep the revs above 3000rpm there are no problems.

But here is the kicker, when this happens, I pull over, reset the ECU and then this issue goes away......until it returns. Then we do it again.

Does anyone have any ideas please? I thought maybe a turbo issue or a vacuum hose?

Thank you

Re: LAck of Power at 2500rpm

PostPosted: Sun Feb 26, 2017 8:22 pm
by norbs
Sounds like it's pulled timing.Reseting ECU clears IAM and FLKC table hence why it goes good for a while. I suggest don't do this till you get it looked at. Get someone with a logging tool to look at it.

Re: LAck of Power at 2500rpm

PostPosted: Mon Feb 27, 2017 2:58 pm
by vinshonz
if its stock

i suggest you get it retuned

the stock sti tunes are really bad