Quote:
Originally Posted by Project_1796
You have a bad flex fuel sensor. Since you bypassed the FF sensor and car runs fine on e85 non FF tune. Happened to me before.
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Looks like the sensor is actually fine. I got a new one and had the same issues. Turns out it’s the “converter” (not sure what it’s called but the black box in the middle of the wiring that converts the frequency to volts.. pretty much screwed since I can’t find the damn harness/box anywhere to wire a new one in hah