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Mpg Gauge Not Working


i b cornish
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Hi all,

Now I have had my Yaris for a few days, I've noticed that the instantaneous and aaverage mpg and speed indications don't work :( .

I'm presuming that however the sytem gets it's amount of fuel used is not being feed into the mpg computer (whereever that is!)

The trip's, odometer, rev and speed counter work, so it must be something to do with the fuel flow/used sensor.

I'm hoping it is as simple as a loose plug.

Cheers for any help :thumbsup:

M

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It may sound simple but have you tried pressing the button on the lower right hand side of the lcd display a couple of times? (cant remember what the button is called).

As this will cycle through the various display modes and something should hopefully come up.

Also, does it have the inbuilt satnav? Bcos it may be different if it does.

Other than that .. i've no idea whats wrong sorry.

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  • 6 months later...

Hi all

I'm new here and was reading through and it seems there are three of us - we've recently bought an 02 D-4D and the bottom right button doesn't change the display. We have average speed and that's it.

I thought it was because we've got a diesel but my bruv's just bought a d-4d corolla and his button works.

Looks like the first service will be more expensive than anticipated

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If I remember correctly I don't think the Yaris D4D's come with all the MPG benefits on screen that the petrol Yaris gets?

I can't remember 100% but I'm sure someone will clarify this for me?

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If I remember correctly I don't think the Yaris D4D's come with all the MPG benefits on screen that the petrol Yaris gets?

I can't remember 100% but I'm sure someone will clarify this for me?

Thanks - that's one less thing to worry about.

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  • 5 weeks later...

If I remember correctly I don't think the Yaris D4D's come with all the MPG benefits on screen that the petrol Yaris gets?

I can't remember 100% but I'm sure someone will clarify this for me?

Thanks - that's one less thing to worry about.

I just bought an 02 GLS D4-D two days ago (brilliant little car!!) and my trip thingy will only show average speed and won't toggle onto the instantaneous or average consumption.

So - is it fitted or is it not fitted to the D4-D? Any info very much appreciated. I can live without it of course, just would be nice to know if it is a fault on my car or not. Other than that the little Yaris diesel is a joy. And that is from someone who, up until about a week ago, was a diesel-hater!!

Stu

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pretty sure it just aint on diesels! Do a search on this forum and should confirm this as i think it was discussed recently :D And welcome :thumbsup:

wow, quick reply, thanks!!

I was being a bit lazy I guess, by not digging a little deeper. Just checked another thread which said the diesels don't have that feature. A real shame given that the mpg feature would be of benefit on the diesel.

I'll just do it the old fashioned way next time I fill up then!!

I'm just enjoying the fact that the first bar disappeared off the fuel gauge today at 115 miles, which bodes very well - I've just changed from a supercharged MX-5 which managed about 27mpg and was getting a bit pricey on a 60 mile daily commute (got to buy bigger house). I've not even driven that carefully either. Certainly it is a very endearing little car and I am very impressed :D

Stu

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Yeah the other diesel yaris owners on here really rate them! A few of them are running cheap tuning boxes and are really impressed with the outcome :D I'm sure you will fit in well with the other dieselers :P

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