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3rd January 2021, 22:42 | #1 |
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Fuel Guage fault.
I don't know if this has been mentioned before,but I had noticed my gauge going down sooner than I expected,so I put 50 euros in,then took my friend to the pharmacy,as I was waiting,I noticed the gauge was showing lower than a quarter tank,at first I thought I'd been short changed at the pump,then thought it might be leaking,badly. Then I remembered that the on board diagnostics could tell me how much fuel I have in the tank,sure enough after pressing the trip knob after turning on the ignition,I found it and it read 49.5 litres,.relief! No leak and I'd not been robbed.
Anyway to fix the gauge,all I did was scroll further and did a software reset,,gauge as now worked correctly for 5 days,so job done. Hope this is useful for someone else. It must be said that having four 75diesels over 19 years,I've never known this to happen,first time for everything! Happy new year everyone, Ken. |
3rd January 2021, 22:48 | #2 | |
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4th January 2021, 17:04 | #3 | |
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A useful next step would be for others with the wonky fuel gauge syndrome to bite the bullet and push the Reset button. Let's generate some data to support the hypothesis. A simple software bug would certainly be more plausible than the way-out theories I've read over the years. I trust you've observed no other effects after the reset? TC Last edited by T-Cut; 4th January 2021 at 17:06.. |
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4th January 2021, 22:55 | #4 |
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This is very interesting - so you press the trip button up to number '19', then when 'log 1 off' is showing, you click through again to number '21'.
But how do you activate the reset once here ? Does it do it automatically, or is there another sequence of specific button pressing to get it to reset ?? Many thanks
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5th January 2021, 16:08 | #5 | |
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As I can't pop around to see Big Russ,unless he fancies a holiday in Gozo,Ha Ha,, Last edited by gozo ken; 5th January 2021 at 16:37.. |
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5th January 2021, 16:11 | #6 | |
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25th December 2021, 22:19 | #7 |
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Just a quick update regarding my fuel gauge issue I had last year.
Software reset did the trick with no other issues and guage has worked perfectly since. This may help the chap who's having a problem at the moment. |
25th December 2021, 22:28 | #8 |
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Thanks very much for taking the trouble to come back and tell us of your success story.----
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26th December 2021, 19:30 | #9 |
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Thanks for the update. It seems apparent from Ken's experience that problems with the fuel gauge may actually be of two kinds, hardware failure and software glitches. It's well known that physical wear in the central area of the float arm rheostats gives rise to readout errors. It seems to me unlikely that the Software Reset in the Trip Screen Diagnostic Routine will fix a worn out winding. So, not all fuel gauge issues are mechanical. This of itself is usefull additional info on how these things tick.
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29th December 2021, 01:16 | #10 |
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Thank you! How do I find the guide to do the diognostic as I forgot where it is?
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