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Old 10-19-2009, 03:11 PM   #1
skatevolcom06
Scooby Specialist
 
Member#: 199522
Join Date: Jan 2009
Chapter/Region: RMIC
Location: Elko, NV
Vehicle:
2004 Impreza STi
PsM

Default WTF, need some input

So this summer some of you knew I had some problems with my STI and misfires on cyl. 2 and 4. Well for the last couple months I have not been driving it and have been saving for a new engine.

Well I took it to a local shop for a comp test and leak down test to make damn sure it was the engine before I purchased a new short block.

Results were 110 across the board....?

So now to what is causing the misfire. The mechanic told me it may be an intake manifold leak? The car has all new injectors, I have tried new coilpacks, new ngk plugs one step colder.

All I know is that I am super stoked now but I still have problems. Anyone else ever have this problem?

Mods are; FP green, PE850, FMIC, 3" Catless and I am not sure if any of the other mods really matter.

I know when John was tuning my car cyl 2 and 4 had a slight roughness and he was having troubles tuning it.

Help please!
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