Error code P0176 - 2000 Ranger - Ranger-Forums - The Ultimate Ford Ranger Resource

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Old 01-31-2010
Thread Starter
Join Date: May 2008
Location: Akron, Ohio
Posts: 8
Error code P0176 - 2000 Ranger

Hello everyone,

I'm trying to help my brother-in-law diagnose his 2000 4WD 3.0 liter Ranger with flex fuel. I pulled out 4 codes the other day, one of which was P0176 Flex Fuel Sensor.

Does anyone know the procedure for checking this sensor and associated wiring? What resistances or voltages should I be getting when I check them. Any diagrams related to the checking procedure are greatly appreciated.

Also, if it is found that the sensor is bad, does anyone know where to get a cheap one? It appears the sensor is between $600-700. I found a company that lets you "bypass" the sensor and fool the computer Flex Fuel Sensor Replicator for a Ford

Has anyone used this product? Has anyone made their own? I don't think it would be too hard.

It seems like unplugging the sensor will just make the truck randomly shut off which is not good.

Thanks for the help!
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Old 01-31-2010
acemavrick's Avatar
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Join Date: Feb 2009
Location: ky
Posts: 663
if u go to u can download EVERYTHING u could picture or ever want for ur truck only thing is its like 20bucks and it saves it on there server i did it and i love it! but im also using the program at wyo tech
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Old 01-31-2010
Thread Starter
Join Date: May 2008
Location: Akron, Ohio
Posts: 8
also I forgot to ask, will a bad flex fuel sensor or wiring cause the truck not to start or run at all? I've read where it will cause the motor to cut out or stall but it seems like those people were able to get it restarted right away.

Oh and he is running 87 Octane and not E85.
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