Thread: Fuel filter warning light

Same thing exactly as you described, in my case I put it down to moisture in the sensor contacts off the road, because where they are means that a huge amount of water gets thrown up there.
I just removed and dried and cleaned them.No further problems.

I believe they did away with the sensor altogether on the later models because it was causing these issues.
It is a resistance device and high contact resistance from moisture/corrosion can set them off.


Trev.

Originally Posted by Graz

The warning light came on a couple days after driving through a couple hours of consistent rain. I replaced the filter and still have the warning light. I then removed the sensor from the filter and cleaned it off with compressed air and connected it back into the circuit without installing it back into the filter and still have the warning light. So there is a fault in the circuit somewhere but where to look and what to test. The manual is very vague.
Has anyone had this problem before?

It's a known problem, the sensor is probably faulty, you can either replace the sensor with a new one or tie the wire up out of the way and replace the sensor with a M8 bolt (i think thats the size) and rubber washer.

If you replace the sensor, it's a good idea to remove and clean it every now and then, this is what i do and so far (touch wood) it's been fine, me personnally i'd rather have it for piece of mind, if you've seen the threads on the new Defender about water in the engine, (they don't have any sensor) then that would be enough reason for me.

As said above on the later TD5s it was removed altogether.

Baz.

Thanks for the replies.
Pleased to see that its a known problem. Will do as suggested and see how it goes.
Regards

Beware of removal of sensor.
My Puma 110 had about 40ml of water due to location of breather.




James

Originally Posted by CapeLandy

Beware of removal of sensor.
My Puma 110 had about 40ml of water due to location of breather.
James

Is that the fuel tank breather???

OMG!!!