Quote:
Originally Posted by JOSEC
Took delivery Mid December. I have Fuel Pump chirp but it comes and goes. And I noticed that it's a bit louder when its warm out. 2.2K so far.
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I heard that a major theory ATM is ethanol content in the gasolene. If I remember correctly japan uses ethanol free gas? (confirm?) But the levels of ethanol at a lot of our stations thin the mixture to the point it can cause cavitation in the DI pump and it causes the chirp.