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Phantom sound ???

 
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Old 03-31-2014, 01:05 PM
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Phantom sound ???

So my 2000 prelude is running on a chipped p28 at the moment. The ecu bypasses the EVAP, EGR, and oil pressure switch. Whenever I drive my car I hear a very noticeable "pshhh pshh" sound coming from behind the engine. I was thinking it could be my intake air bypass since the p28 doesn't recognize it. But someone also told me it was possibly an EVAP system going nuts. I'm at a loss, anybody have any ideas?

And would a video help? I might be able to take a vid in a few if it's needed.
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Old 03-31-2014, 11:24 PM
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Re: Phantom sound ???

Why is your evap installed if it's bypassed via ecu?

Could be due to whatever vacuum lines you have routed that are no longer needed. Why are you running a chipped ecu?
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