2015 d4 fuel gauge.

Tombie · 15th October 2015, 12:55 PM

Originally Posted by Fred Nerk

Can the distance to empty calculation be recalibrated with a diagnostic tool?

Or, even more useful, is there a display that can be set on a diagnostic tool for the litres of fuel remaining?

I miss having an actual dipstick to check oil (SD V6) and want to know accurate fuel levels too.

I reckon I would be pretty annoyed that I had to walk 10 or 20 km (and back) for fuel for a car "pretending that it was empty". Is it really that hard to bleed the fuel lines?

DTE (Distance to empty) uses a different algorithm to l/100 calcs...
I can average 10l/100km and have 100km DTE. I then boot it (instant fuel at 27l/100 etc) for a small period and it and this will drop to 30km DTE.
Average fuel consumption still holds around 10s

On longer runs I often fill up and have a DTE of 570-580, only to have this number increase for the first hour of cruise mode highway driving..

I see no reason to miss a dipstick, the mechanical device is no more calibrated than a sensor, and it certainly can not warn you when it gets below safe limits (old oil lights meant no pressure, where as the electronic oil sensor can report low levels).

And the best line - I'd be pretty upset if I was driving my D4 around so low on fuel that I ran out

Every fuel gauge is an indicator - the vehicle isn't pretending to be empty - for all intents and purposes it is empty...

You would be more ****ed off standing on the side of the road.

Just as a dipstick doesn't indicate the engine is empty of oil - just below what it should be. Several vehicles will now go into limp mode and then commence shutting down if oil is dropped or pressure drops.

**theins** · 15th October 2015, 08:21 PM

Really glad to have come across this thread.
The same thing happened to me earlier this week. Warning messages coming on telling me that the distance to empty is less than 30k.
Off I go, finding the nearest filling station - don't want to run a diesel empty, and managed to get 67 liters into the tank. ..

I thought the tank was due to hold 82 liters. ..

Given how smart the car is I would have expected the fuel monitor to be closer to reality...

Cheers

**LandyAndy** · 15th October 2015, 08:52 PM

Originally Posted by theins

Really glad to have come across this thread.
The same thing happened to me earlier this week. Warning messages coming on telling me that the distance to empty is less than 30k.
Off I go, finding the nearest filling station - don't want to run a diesel empty, and managed to get 67 liters into the tank. ..

I thought the tank was due to hold 82 liters. ..

Given how smart the car is I would have expected the fuel monitor to be closer to reality...

Cheers

It is smart.
Yet to try mine but it will eventually cut output when its nearly empty Im told.
Anybody going to own up to running one out and how it goes about it????
Andrew

**SBD4** · 15th October 2015, 09:23 PM

Last week I ran mine to 25kms to go and put 75 litres in it.

Tombie · 15th October 2015, 09:26 PM

Put the dash on instant consumption and take off around town..

Watch the calcs it's using! 25-30l/100km instant...

If you do lots of stop go it will always estimate running out quicker...

Get it on the highway, and it stabilises and gives a far more accurate calculation.

**LandyAndy** · 15th October 2015, 09:29 PM

Originally Posted by Tombie

Put the dash on instant consumption and take off around town..

Watch the calcs it's using! 25-30l/100km instant...

If you do lots of stop go it will always estimate running out quicker...

Get it on the highway, and it stabilises and gives a far more accurate calculation.

You want to see the instant numbers on a XR6 Turbo powered Ford Territory when you stir it up

Andrew

**Meken** · 15th October 2015, 09:43 PM

My ex f.i.l. Had a new jag xjr when they came out - instant only when to 99

**carlschmid2002** · 15th October 2015, 09:54 PM

Originally Posted by LandyAndy

You want to see the instant numbers on a XR6 Turbo powered Ford Territory when you stir it up

Andrew

I know, I have an F6. My D3 doesn't have instantaneous, just distance to run and average fuel economy. The average fuel economy can be quite scary with the V8 when I have just filled up and reset the computer. I put my foot down and it is like instantaneous economy, 50l/100km.

Tombie · 15th October 2015, 10:01 PM

Originally Posted by LandyAndy

You want to see the instant numbers on a XR6 Turbo powered Ford Territory when you stir it up

Andrew

Had a BA to play with for a couple of weeks when the XR6T came out.

Know all about that thirst

**LandyAndy** · 15th October 2015, 10:20 PM

Originally Posted by Tombie

Had a BA to play with for a couple of weeks when the XR6T came out.

Know all about that thirst

And that AWESOME grunt,they eat V8s!!!!!
Andrew

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