Remapping discovery 4 for fuel economy

[Northeastfarmer]

Has anyone remapped their D4 to improve fuel economy and has it made a difference?
Ours is a thirsty bugger

 

[michael N123]

I don’t no about a disco but someone told me the chip on there hilux easily paid for itself in the first year just on fuel saved

 

[Nearly]

I don’t no about a disco but someone told me the chip on there hilux easily paid for itself in the first year just on fuel saved

smiles are valuable too.
Disco 2 is just a gear better all the time now.

 

[Northeastfarmer]

I don’t no about a disco but someone told me the chip on there hilux easily paid for itself in the first year just on fuel saved

What sort of money is the chip do you know?

 

[michael N123]

What sort of money is the chip do you know?

Haven’t a clue proberly best getting someone like derv doctor to map it tho

 

[Pheasant Surprise]

What sort of money is the chip do you know?

“Chip” or chipping it is a historic term, from the “olden days” when tuners used to have to swap the EEPROM memory chip containing the engine map. Hence the meaning of “chipped”

Now with the exception of Steinbauers and their ilk, tuners rarely swap over any chips, they just re-program the existing ECU. Better known as a re-map or just “mapped or mapping”

Clear as mud m’Lord?

 

[Northeastfarmer]

“Chip” or chipping it is a historic term, from the “olden days” when tuners used to have to swap the EEPROM memory chip containing the engine map. Hence the meaning of “chipped”

Now with the exception of Steinbauers and their ilk, tuners rarely swap over any chips, they just re-program the existing ECU. Better known as a re-map or just “mapped or mapping”

Clear as mud m’Lord?

So what does a remap cost and will it improve the mpg?

 

[Pheasant Surprise]

So what does a remap cost and will it improve the mpg?

Depends who’s doing it. Upwards from £500 typically. The second question is almost impossible to answer as it is completely subjective. I’ve never mapped anything with intention of improving economy fwiw.

 

[michael N123]

I used google looking for discovery remaps

https://thefarmingforum.co.uk/index.php?threads/land-rover-disco-4-remap.250802/ someone was quoted £290

 

[Northeastfarmer]

Depends who’s doing it. Upwards from £500 typically. The second question is almost impossible to answer as it is completely subjective. I’ve never mapped anything with intention of improving economy fwiw.

Well it doesn’t need remapping for more power...it’s tyre shredding now! It’s economy it needs

 

[Farma Parma]

Well it doesn’t need remapping for more power...it’s tyre shredding now! It’s economy it needs

I presume its the 8sp Auto you have? if so it cant be running many revs in top gear surely?
Cant see you getting much more MPG out of one its a fairly powerfull 4x4 even by pickup standards it will eat most of them at the lights surely?
Drive with a lighter foot or shed some weight off the thing!

 

[Nearly]

Well it doesn’t need remapping for more power...it’s tyre shredding now! It’s economy it needs

So it might need a de-map?

 

[Mydexta]

Contact alive tuning, as they are believed to be one of the best in the business at remapping and tuning d3 &4s

however, after enquiring about it with their local agent, I was told that any increase in mpg was a bonus after a remap

 

[Zebbedee]

Contact alive tuning, as they are believed to be one of the best in the business at remapping and tuning d3 &4s

however, after enquiring about it with their local agent, I was told that any increase in mpg was a bonus after a remap

Yea alive tuning are pretty switched on I reckon

 

[Northeastfarmer]

I presume its the 8sp Auto you have? if so it cant be running many revs in top gear surely?
Cant see you getting much more MPG out of one its a fairly powerfull 4x4 even by pickup standards it will eat most of them at the lights surely?
Drive with a lighter foot or shed some weight off the thing!

Yes the 8sp auto it’s the commercial so not sure how much weight could be shed as the inside looks like a shed!

 

[hally]

Yes the 8sp auto it’s the commercial so not sure how much weight could be shed as the inside looks like a shed!

Aye but do really need 2 seats??

 

[Farma Parma]

what he hasnt told any of us is its loaded with 2t of tools n spare parts

 

[Timbo]

Yes the 8sp auto it’s the commercial so not sure how much weight could be shed as the inside looks like a shed!

What sort of mpg are you getting ? Checked for binding brakes - rear calipers love to seize.. road tyres or mud pluggers ? Alive or DD - make sure the remap is an egr delete one.

 

[JCfarmer]

I presume its the 8sp Auto you have? if so it cant be running many revs in top gear surely?
Cant see you getting much more MPG out of one its a fairly powerfull 4x4 even by pickup standards it will eat most of them at the lights surely?
Drive with a lighter foot or shed some weight off the thing!

At the lights, not mine it won't and thats the V8 petrol let alone the diesel!

 

[Cowabunga]

I had chip boxes fitted to a BMW X5 and Range Rover. It improved the X5 marginally but the RR was too heavy or something and all it did was change down sooner and rev higher and noisier, without improving performance.

Did a re-map on the Q7 though and it was totally transformed in performance and economy. The gearchange response was keener as well. Although the economy continued to improve throughout the 65,000 miles I kept it, starting off at 26mpg and ending at 32mpg, it made a sudden and genuine 3mpg jump when it was re-mapped.

Don't ask me who did it, because I don't remember. More than ten years have passed since. I found his number somewhere and we met at a service station on the M4 and his van was chock-full of electronics and laptops, like a cross between a laboratory and an office. As soon as I got off the motorway onto A roads the difference was obvious.