where is the E-85 sensor - Ranger-Forums - The Ultimate Ford Ranger Resource


2.9L & 3.0L V6 Tech General discussion of 2.9L and 3.0L V6 Ford Ranger engines.

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Old 10-19-2008
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where is the E-85 sensor

2000 Ranger-3.0 v6. i'm getting very bad gas milage and someone said it may be the E-85 sensor gone bad an stuck in that mode. it's supose to be in the gas line, but i can't find it. any help? thanks Lamar
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Old 10-19-2008
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check your blinker fluid first.
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Old 10-19-2008
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Originally Posted by 1999Rangerlockednlifted View Post
check your blinker fluid first.
Way to be a dick, he didnt come here for smart *** responses.

Is your engine throwing any codes?
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Old 10-19-2008
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i have no idea what or where that is. Lamar
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Old 10-19-2008
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04blackedge- we all have our moments but thanks
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Old 10-19-2008
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i have no idea what or where that is. Lamar
i don't no anything about the E-85 sensor or else i'd help sry bro
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Old 10-20-2008
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In your 2000, it is believed to be somewhere near the tank, possibly in. I had mine replaced in 2004.. The sensor itself was like $500, ugh. I havent heard of them going bad like you describe, though. In the 2001+ FFV Ranger's, it is computer controlled.
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Old 10-20-2008
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Originally Posted by bwester04 View Post
In your 2000, it is believed to be somewhere near the tank, possibly in. I had mine replaced in 2004.. The sensor itself was like $500, ugh. I havent heard of them going bad like you describe, though. In the 2001+ FFV Ranger's, it is computer controlled.


It isnt determined by the engine's knock sensor?
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Old 10-20-2008
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From my understanding:

2001+ FFV - It uses the O2 Sensors to determine fuel makeup post combustion.. it then adjusts from there. The 99-00 FFV used an external fuel contact sensor that determined fuel makeup pre combustion.
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Old 10-20-2008
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Correct. For 2001+ FFV's, the fuel composition in inferred, not measured. The PCM watches the Fuel Level Input and the front oxygen sensors. If the PCM sees a significant lambse shift shortly after a refueling event, it assumes that the alcohol content of the fuel has changed and adjusts the A/F ratio accordingly.
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Old 10-22-2008
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thanks everyone. Lamar
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