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Old 05-06-2008, 09:53 AM   #1
Scooby Newbie
Member#: 154959
Join Date: Jul 2007
Location: Trinidad, West Indies

Question Engine Cutting Off

My 04 JDM STI idles perfectly around 750 RPM, runs beautifully with one new exception; the engine sometimes cuts off for no apparent reason, sometimes when changing gears, or turning a corner.
It's not repeatable at will, so it's difficult to diagnose, no CEL or error code is being recorded.
Any ideas ? Plugs, filters (Oil, gas) changed within last 20,000km. Problem just cropped up in last week.
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Old 05-06-2008, 04:29 PM   #2
Scooby Specialist
Member#: 45516
Join Date: Oct 2003
Chapter/Region: MAIC
Location: Norfolk/Virginia Beach, VA
MY04 STi


The engine can sometimes cut out if you go around a corner with less than 1/4 tank of gas. As gas sloshes away from the fuel pickup, the engine momentarily stutters until fuel flow is restored to the engine....might be your problem...

This problem was reduced in 05 STis as they changed the way the fuel pump picks up fuel, but 04 and earlier still suffered slightly.
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