Changed Fuel Filter, afterwards got check engine light | Ford Explorer Forums

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Changed Fuel Filter, afterwards got check engine light

jbwilson3791

Active Member
Joined
October 6, 2012
Messages
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Year, Model & Trim Level
2004 Ford Explorer
Code 0191.
I am almost certain I followed correct procedure for installing a new fuel filter; cut the power to fuel pump, let engine run out of gas, then remove and install a new fuel filter facing correct direction and no leaks. Is it common to have a code afterward? If I clear it am I good? Thanks in advance.
Ps the fuel filter replacement thread on here was very helpful! I am a very inexperienced mechanic and I got the job finished in 45 minutes. Didn't have to jack up the car and Didn't have hardly any trouble with the quick disconnect attachment (used metal scissors style). If anything I Had more trouble with the red clips.
 


















Did you disconnect the fuel rail pressure sensor and not hook it up again? Here's a video of what it does http://repairpal.com/obd-ii-code-P0191


https://www.youtube.com/watch?v=xCiHmiQlZlM

Thanks, that was informational! But I didn't unplug anything other than the fuse to the fuel pump which I plugged back in. It can't be a coincidence that this happened the first time I started it up after replacing fuel filter though. I furs ill just try clearing it and going on a short drive.
 






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