What is FI service on Mazda CX9?

Asked by Andy Jan 10, 2020 at 05:23 PM about the 2010 Mazda CX-9 Grand Touring

Question type: Maintenance & Repair

Just came from the dealer with my 2010 Mazda CX9 w/ 140k miles They
suggested a EFT Service at $350. This involved cleaning the plenum and such,
not just adding additive to the fuel. Has anyone herd of this service and is it
worth it? The car runs great.  

1 Answer

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