TV Fuel level sensor issue - MVAgusta.net
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post #1 of 16 (permalink) Old 06-12-2018, 11:58 AM Thread Starter
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TV Fuel level sensor issue

Hi everyone,

Since few weeks, I got a warning message on the dashboard times to times with "Fuel level sensor failure", and the loss of information regarding the level of fuel in the tank on the dashboard. I'm not too worried about it as I do use the mileage indicator in the meantime, and it is still at this stage a non permanent issue. I found out that the sensor (8000B9950) cost about 200€ TTC, but before doing any change considering any possible ways to repair it. My first attempt was to contact spray the plug, with no (expected) success.


I did then more search on this. It is a thermistor, and the corps of the part is heated (found some information on those type of sensor here). I suspect the fact that the part is heating may suggest an issue with the soldering of the wires on the thermistor. That would explain why it works sometime and not some other times (liaison getting loose with the temperature, then contact is not good enough)… Will have to unmount and try to solder it again.


Any other ideas?

Marc,
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post #2 of 16 (permalink) Old 06-12-2018, 04:51 PM
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Quote:
Originally Posted by MarcSilverTriple View Post
...
Since few weeks, I got a warning message on the dashboard times to times with "Fuel level sensor failure"
Either your sight is on par with the sight of an elderly grandma mole
or your memorizing worth the smarts of a goldfish.
Or your TV is different.


Right after the 15 000 km service my fuel level sensor broke down.
For good.

And has been on the blink, truly on the blink, since.


I wasn't going back to the shop for such trivial annoyance.


Month of april passed
by phone the story rang:
"you have to bring the bike we need the error-code to process a warranty claim"
"Not this week mind you, call the week after"


From the week after to the next week after came May.
"Can't do anything on your bike! Our mechanic is on vacation, you know this month, lots of vacations yadayadayada"
"Oki docky. Allright now. Mechanic is back, but all the other serfs are gone in vacation.
the poor guy is overworked."

Call next week or better, the week after.


-"We have the error code says: 'fuel level sensor error'"
Pfiuw
Fired an email to MV who immediatly fired back they had no claim pending for no fuel sensor warranty...


Back on the horn
-"Right! The TV lusso has a fuel level sensor, not your Veloss Vulgaris, MV covered it with masking tape!"
-"MV hasn't got no warranty logged"
-"Doesn't surprise me. Internets broke down while we was trying to write an email for warranty"


-"Lets try next week or better call us the week after next."


Up to this WE it was mildly irritating, bordering on real fun.


Then one of our sinisters announced on TV (the thing with a big, big flat screen) about some strike:
"there won't be no gas shortages no rationing of gas..."
Was about to ride for a short day hop about 780 miles to see the ydrovolante at Biscarosse
The minister, or was it an under-secretary, was still droning on TV (the flat screen one)
Watched very long lines form at the service station and decided, in solidarity with the strikers
whoever they are; no leisure jaunt today.


Monday the service stations around here were closed,
Dry.
Only dry places around here.
They ddn't even have time to do some rationing.


Having no reserve light, no fuel level
and no way to find gas around got old very fast.


Tomorow I burn the last fumes of my gas and drop the Turislow Vulgaris at the dealer.


Fun ... the trains are ALSO on strike
And even if they wasn't, the Savenay train station is closed, flooded.
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post #3 of 16 (permalink) Old 06-12-2018, 05:55 PM
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I had the same warning and MV end up replacing the fuel sensor under warranty. no more issues.

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post #4 of 16 (permalink) Old 06-13-2018, 09:55 AM
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Cool when a fuel sensor isn't a fuel sensor

Quote:
Originally Posted by llevero View Post
... MV end up replacing the fuel sensor under warranty. no more issues.
And missed all the high italian drama.
The machavellian combinazione.
The smooth shift in less than two sentences from blatant untruth to baldfaced lie!

This morning catch; before I putputted back sedately on a loaner Lusso:
-"We got the part. But it doesn't say 'fuel sensor' might not be right"

è un aumento di suspense
inglese: "You bet"

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post #5 of 16 (permalink) Old 06-13-2018, 11:59 AM
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It doesn’t say Fuel Sensor because the sensor is part of the Wiring Harness for the fuel pump. They will be replacing the wiring harness and that contains the sensor.

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post #6 of 16 (permalink) Old 06-13-2018, 01:14 PM
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Quote:
Originally Posted by silentservice703 View Post
It doesn’t say Fuel Sensor because the sensor is part of the Wiring Harness for the fuel pump....
It's a TV!


The TV tank like the Stradale tank has a very long fuel level PROBE on the RH side of the tank with his own wiring independent from the fuel pump harness.
Both fuel pump and fuel probe connectors are next to each other left and right on the front side of the battery.
They have different terminals and different colors.

The error msg says: fuel level sensor.

Rang the dealer just now.


-We have a valid warranty claim.
But at MV the part is not available so we have to wait until they list it as available.

So I guess, wait for the 30 000 km service, with no fuel level and no reserve light.
On the TV the yellow light is also wired on the fuel level probe, not on the fuel pump assembly.

The dealer noticed the non Lusso TV HAS a fuel level display.
-"your bike had some masking tape, the tape was there for a reason..."



We compared the dash on both bikes.

The guy noticed some difference.
"Right
you see, on the Lusso it shows the fuel level, it doesn't on your vanilla TV!
You sure it showed the fuel level once? Maybe 'twas just your imagination..."
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post #7 of 16 (permalink) Old 06-13-2018, 02:40 PM Thread Starter
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Quote:
Originally Posted by Arcimboldo View Post
The dealer noticed the non Lusso TV HAS a fuel level display.
-"your bike had some masking tape, the tape was there for a reason..."



We compared the dash on both bikes.

The guy noticed some difference.
"Right
you see, on the Lusso it shows the fuel level, it doesn't on your vanilla TV!
You sure it showed the fuel level once? Maybe 'twas just your imagination..."
I can confirm the non Lusso displays the fuel level :-) (when the fuel sensor works).

Called my dealer, asked him to order one for me. He told me as well it is out of stock currently. Discussed with friends, all of them are quite surprised with the thermistor used for this purpose (except those riding GS 1200 Liquid cooled BMW where this is quite frequent issue as well, for the same reason). Two possibilities there :
  • sometime works, sometimes not (specially when hot) > wire soldering issue
  • permanently not functional: fuel level probe is dead

Now, the thing is the wire is soldered on the sensor, and there is some composite material formed on it, which seals it. Not sure if there is a way to repair it due to that.

Additional bits : issue seems more and more frequent here and there… MV seems to listen customers, so we may hope a part revision at some point, with something more reliable...

Marc,
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post #8 of 16 (permalink) Old 06-13-2018, 05:36 PM
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@Arcimboldo: Sorry about that, I was posting on my phone and didn't see the TV Reference.

Do you have the electronic TV and/or Stradale and/or Rivale workshop manuals?

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post #9 of 16 (permalink) Old 06-13-2018, 06:57 PM
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They call it a fuel level probe or sonda livello carburante.
Looks like it's a float type device.
found this youtube video of a guy with one(not MV) out of the tank and apparently he was able to clean the contacts and make it work? (note: I don't know what he's saying.)
Also found a couple of sonda livello carburante on ebay, though they were for Ducati...

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post #10 of 16 (permalink) Old 06-14-2018, 12:48 AM Thread Starter
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Quote:
Originally Posted by Teeps View Post
They call it a fuel level probe or sonda livello carburante.
Looks like it's a float type device.
found this youtube video of a guy with one(not MV) out of the tank and apparently he was able to clean the contacts and make it work? (note: I don't know what he's saying.)
https://www.youtube.com/watch?v=w5fM8e2BQok
Also found a couple of sonda livello carburante on ebay, though they were for Ducati...
As per what my dealer told me, it's not a float type device, but a thermistor (same as some Ducati)… And you can find some on eBay for the TV:
- here, located in US

- here located in Italy
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