Maintenance week...
Lead Driver
Joined: Feb 2022
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And, a week or two ago, there was a discussion about a possibly bad water in fuel sensor, and I was commenting on how simple the sensor is, just two electrical contacts that when water crosses both contacts and completes the circuit, then the water in fuel light and message will pop. Below is a pic showing the sensor and how simple it is.
That SPE kit is looking better and better all the time now. It has 2 methods for extracting water, the first is the chamber at the top with a drain and where the sensor is located, then the water separation filter. It looks like if there is water it would be captured in the top portion and trigger the sensor in time while the filter grabs the rest before it can reach the CP4.
Thanks for posting this picture, it helps clarify a few things for me.
As far as the oil change, had mine done last Friday at the dealer. $159 and they didn't top off the WW fluid, or clean the batteries, or any of the other stuff they should. $30 labor to replace a filter and remove a plug. I will do the rest of them myself, what BS.
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Lead Driver
Joined: Nov 2005
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I have not seen the inside of the housing until now. Those contacts are what, 3/16" above the bottom? Thats a LOT of water in the system to trigger. Now I can see how water can get into the CP4 before any alerts are triggered or any at all.
That SPE kit is looking better and better all the time now. It has 2 methods for extracting water, the first is the chamber at the top with a drain and where the sensor is located, then the water separation filter. It looks like if there is water it would be captured in the top portion and trigger the sensor in time while the filter grabs the rest before it can reach the CP4.
Thanks for posting this picture, it helps clarify a few things for me.
That SPE kit is looking better and better all the time now. It has 2 methods for extracting water, the first is the chamber at the top with a drain and where the sensor is located, then the water separation filter. It looks like if there is water it would be captured in the top portion and trigger the sensor in time while the filter grabs the rest before it can reach the CP4.
Thanks for posting this picture, it helps clarify a few things for me.
But, the fuel is drawn off the TOP of the oem filter housing, not the bottom, so to get water up into the rest of the fuel system, the filter housing would have to have a LOT more water in it than it takes to trigger the WIF warning. And, the way the filter media in the separator works, it doesn't let water pass through the membrane, so two water separation processes, gravity and filtration, are working to keep the water contained.
So, any water getting through into the upper part of the fuel system is not the fault of the separator.
So, to me, changing to some aftermarket separator is a waste of money, although maintenance may be easier.
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