My repair guy noticed my flex fuel sensor was nicked during a routine oil change. Wants to fix for $900, also referred to it as "octane" sensor. No warning lights or problems with truck.


Asked by Aug 28, 2014 at 09:30 AM about the 2005 Chevrolet Suburban 1500

Question type: Maintenance & Repair

I just want to make sure flex fuel and octane sensors are one in the same. Does it need
to be replaced?

1 Answer


Unless,you have engine light on,there is no problem,my advice would be wait for the truck to tell you something,s wrong,it is not hurting anything,don,t waste your money.

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