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Hi,
solving some electrical problems on engine I found a sensor and a cable that is not connected anywhere, the car works without it but what is the sensor and cable - as you can see in the photo they have other plugs.
The sensor is located driver side of the fuel filter / bowl.
The sensor is the fuel restriction sensor, the wire is probably for the fuel bowl heater. Neither are really needed. The fuel bowl heater might be broken and shorting out, causing the fuse to blow. That fuse also powers the PCM relay, and when that fuse blows the truck will not start.
The sensor is the fuel restriction sensor, the wire is probably for the fuel bowl heater. Neither are really needed. The fuel bowl heater might be broken and shorting out, causing the fuse to blow. That fuse also powers the PCM relay, and when that fuse blows the truck will not start.
ok, thanks.
And what this fuel restriction sensor is responsible for?
I start digging because I had a problem with this fuse You've mentioned (#8) and I couldn't start the truck, finally I got to the heater but I disconnected it in the filter bowl, now the truck starts.
On the link below you can see that this wire should be connected to this sensor but whether it was or not the truck runs, so it really does not matter.
The fuel restriction sensor just tells you by a light in the dash that there is a vacuum in the fuel bowl from a clogged fuel line or something like that. Now that you mentioned it, someone must have put that sensor in your van, and the wire is supposed to hook to it. I didn't think the sensor in the first pic looked right. It looks more like an oil pressure sender. In a F series the fuse to the fuel heater is #22 in the under hood fuse panel.
The fuel restriction sensor just tells you by a light in the dash that there is a vacuum in the fuel bowl from a clogged fuel line or something like that. Now that you mentioned it, someone must have put that sensor in your van, and the wire is supposed to hook to it. I didn't think the sensor in the first pic looked right. It looks more like an oil pressure sender. In a F series the fuse to the fuel heater is #22 in the under hood fuse panel.
Ok, that make sense, when I've hooked it I'd warning light "fuel filter", maybe the sensor is different but it looks like it fit there. I'm not gonna bother do replace it at the first place.
Thanks.
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