Chevy and GMC Duramax Diesel Forum - View Single Post - Fuel life warning after 500 km
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post #2 of (permalink) Old 06-07-2019, 04:39 PM
SuperBlackTruck
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Join Date: May 2012
Posts: 567
There is a sensor upstream of the factory fuel filter that deals with fuel life. I think there are a couple theads showing the location.
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