On a Ford if you try to by-pass the light, it won't run!
Wednesday, October 13, 2021, 09:02

If it is an EGR failure or some oxygen sensor many times the system will default and still operate in a pre-programmed mode that is less efficient.

I'm certain Blake could teach a class on that. My F150 has a "dead EGR" and it will forever be so. Our Nissan has a check light on but it's a "Fuel level sensor" the gauge only works above 1/2 tank. Roman works around it. I'm procrastinating dropping the tank to get to the pump and float switch. We'll probably never get to it unless the fuel pump dies. We pulled the bed on the Ford F150 to replace it, less than $100.00 DIY.

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