High Mileage 70k+ Infiniti G35 '06 Fuel Injector Cleaner - Will It Help?

sely44
Tue, 02 Mar 2021 23:31:55 +0000
Maintenance/Repairs

Hi,
My 2006 Infiniti G35x suddenly tanked on gas mileage. I’m guessing it’s the fuel injectors but low gas mileage is the only symptom so far. I’ve never cleaned the FI’s or had them replaced - 70k mi. Is it too late to use FI cleaner? Am I going to have to let a mechanic manually clean or replace them? Please advise.
Thanks

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