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Old 28-02-2007   #1
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Beep Beep - water in fuel filter

Just had 84k service last friday and took car out today for a run. 6-7times got warning message, "water in fuel filter". over a approx 80 miles period.

I definately paid for the new filter and it certainly looks like a new one. i've called dealer and they think maybe switch has gone.
i should add that the car was displaying this message before the service too buy assumed was genuine and left it as service soon. seems to come up when going up or down hill but not everytime

dealer charging - switch £15 plus vat plus 0.25 labour, total about £35

Anyone heard of anything similar and also how hard to change these switches? would it be the one on the bottom or the one at the top on a black plastic collar type thing?

cheers
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Old 01-03-2007   #2
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Re: Beep Beep - water in fuel filter

update;
well checked elearn which shows it's the switch on the bottom of fuel filter.

Removed the filter and cleaned up the switch with WD40. Also drained the filter a bit in case there was water inside.

After 40 mile drive no BEEPS, hooray, hope it's fixed
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Old 01-03-2007   #3
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Re: Beep Beep - water in fuel filter

The WIF sensor is simply a switch which sits in the fuel / water separator and activates when the water level gets to a certain height in the housing. Is it an electrical resistance type?? I don't know with Fiats.

Normally the housing should have a little drained out the bottom every so often to remove this water. I used to drain about half a cup out every year in my old diesel cars. That was enough to ensure all the water was removed, and some diesel too.

Water in diesel fuel system is very bad for it. Hence the separator.
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Old 01-03-2007   #4
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Re: Beep Beep - water in fuel filter

Years ago , new to Diesels, I was asking advice at a main dealer ( long closed) about changing the fuel filter, whether it needed to be refilled with fuel or would self prime.
The tech who had kindly come to talk to me, said " I just pour the old into the new".

Decent to be offered advice of course, but I have been changing my own fuel filters ever since.
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Last edited by oilrag; 01-03-2007 at 09:41. Reason: typo
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Old 01-03-2007   #5
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Re: Beep Beep - water in fuel filter

Quote Originally Posted by Stilo_ste View Post
The WIF sensor is simply a switch which sits in the fuel / water separator and activates when the water level gets to a certain height in the housing. Is it an electrical resistance type?? I don't know with Fiats.

Normally the housing should have a little drained out the bottom every so often to remove this water. I used to drain about half a cup out every year in my old diesel cars. That was enough to ensure all the water was removed, and some diesel too.

Water in diesel fuel system is very bad for it. Hence the separator.
It sounds like you're saying you shouldn't need to have the filter changed at all (unless due) if you get this message?
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Old 01-03-2007   #6
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Re: Beep Beep - water in fuel filter

In my last car (diesel), I covered over 80K miles, and only changed the fuel filter once !

I did drain it every so often though to remove water. WIF and filtration is different.

All diesels should have a drain for water in the separator, and if they don't - maybe they should IMO.

The 'water in fuel' message is NOT filtration dependant, but the WIF sensor has been activated.

To answer Argo's question directly, yes I am saying the filter does not NEED to be changed if you get the message, unless it is due to be done anyway.

NEVER pour old contents into new or leave in the housing. Always remove the contents. Does Stilo have a pump prime device? Either a rubber bulb or plunger????
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Old 02-03-2007   #7
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Re: Beep Beep - water in fuel filter

don't know but try not to use cheap supermarket fuel cause it is c**p
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Old 05-03-2012   #8
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Re: Beep Beep - water in fuel filter

Quote Originally Posted by minimad99 View Post
update;
well checked elearn which shows it's the switch on the bottom of fuel filter.

Removed the filter and cleaned up the switch with WD40. Also drained the filter a bit in case there was water inside.

After 40 mile drive no BEEPS, hooray, hope it's fixed
Helo Minimad i saw your post i was looking for help and i think your problem is same as mine.I see this post is old but if you read it please give me advice what to do.
I have stilo 1.9 jtd 2002 and have the light in dashboard "water in fuel filter" i replaced today with brand new fuel filter, but i still get the message in my dashboard what could it be please help me. sorry for my bad english have good day
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Old 05-03-2012   #9
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Re: Beep Beep - water in fuel filter

Quote Originally Posted by Noli View Post
Helo Minimad i saw your post i was looking for help and i think your problem is same as mine.I see this post is old but if you read it please give me advice what to do.
I have stilo 1.9 jtd 2002 and have the light in dashboard "water in fuel filter" i replaced today with brand new fuel filter, but i still get the message in my dashboard what could it be please help me. sorry for my bad english have good day
I had this last week after driving through lots of heavy rain and water on a several hour motorway journey south (don't know if it's related?).

Anyway, I drained the fuel filter but the message continued (I thought perhaps it takes a few clear starts to remove the error but it persisted!)

I again drained the fuel filter and completely unscrewed the sensor and while keeping my finger over the hole on the bottom of the filter (so I didn't lose gallons of diesel) I sprayed both the electrical plug and socket with electrical contact cleaner and I gave the metal part of the sensor a blast too. I haven't seen the message since.

Hope this is of help.

Dave
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Old 06-03-2012   #10
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Re: Beep Beep - water in fuel filter

Quote Originally Posted by pieandapint View Post
I had this last week after driving through lots of heavy rain and water on a several hour motorway journey south (don't know if it's related?).

Anyway, I drained the fuel filter but the message continued (I thought perhaps it takes a few clear starts to remove the error but it persisted!)

I again drained the fuel filter and completely unscrewed the sensor and while keeping my finger over the hole on the bottom of the filter (so I didn't lose gallons of diesel) I sprayed both the electrical plug and socket with electrical contact cleaner and I gave the metal part of the sensor a blast too. I haven't seen the message since.

Hope this is of help.

Dave
Helo Dave

Thank you for your advice i will try that now but please can you confirm to me if i can spray with WD40 or is there any other spray that should i use.

Have a good day
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Old 07-03-2012   #11
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Re: Beep Beep - water in fuel filter

Quote Originally Posted by Noli View Post
Helo Dave

Thank you for your advice i will try that now but please can you confirm to me if i can spray with WD40 or is there any other spray that should i use.

Have a good day
I used a spray can of "electrical contact cleaner" mainly because I set out to clean the electrical contacts of the sensor as a lot of error messages on the Stilos seems to come from resistance in the wiring!

This is what I used: Electrical Contact Cleaner

Quote Quote:
The Halfords Electrical Contact Cleaner is ideal for cleaning ignition components and other precision parts. It removes tarnish, dirt, grease, dust, oil and other deposits, preventing arcing between dry contacts.
Regards
Dave
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