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Old 09-20-2013, 09:28 PM   #16
White0utFrs
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Join Date: Sep 2013
Drives: 2013 Scion FR-S White Out
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Quote:
Originally Posted by Sigh-on-Rice View Post
Mine sounds just like that. Both 1st half and 2nd half. It's loud enough to hear from inside of the car. I don't know what triggers to change the noise (1st half vs 2nd half).
Andre20195 answered why it changes
"That's the normal sound of the fuel system going into DI only mode at warm idle.

When you start the car, it runs on port injection only for a few seconds, then switches to DI when the idle is stable, after warming up the"


I come from two Hondas and a vw so this noise in new to me lol


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