2004 Ford Taurus SEL - DOHC
What specifically triggers the check fuel cap light?
First step is to check the fuel cap, in particular the gasket and where it seals for dirt and damage.I do have a small evap leak but not a large. Code 657 I think at time of the light. Yes 456 and 457
This page explains the earlier version of the system on a CV, but it's very similar on your car.What specifically triggers the check fuel cap light?
It's not likely.I have recently noticed a drop in my gas mileage. Is there a chance the two could be connected?
Today we read from the Book of Troubleshooting, Verse 24: Excessive fuel consumption:It's not likely.