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Old 07-09-2008   #16
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Re: So does your remapped 1.9GPS really have better fuel economy?

The answer to this thread title is 'yes' it definitely does. In my case a marginal difference can be seen on 'long' motoway journeys that I'm familier with. From the Midlands to the South coast every few months basically.

I think improved drivability is the main reason to get a remap done though. The fuel consumption is obviously dertermined by how you drive.
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Old 07-09-2008   #17
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Re: So does your remapped 1.9GPS really have better fuel economy?

Quote Originally Posted by diseaselweasel View Post
Where'd the tact go, after the first response? :d Lmao!
Lol its all a bit tongue in cheek really but I cant accept Corsakid knows more than Oldschool on mapping. I think the lad confuses mapping with tunit type boxes TBH.
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Old 07-09-2008   #18
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Re: So does your remapped 1.9GPS really have better fuel economy?

Quote Originally Posted by PEZZ175 View Post
The answer to this thread title is 'yes' it definitely does. In my case a marginal difference can be seen on 'long' motoway journeys that I'm familier with. From the Midlands to the South coast every few months basically.

I think improved drivability is the main reason to get a remap done though. The fuel consumption is obviously dertermined by how you drive.
Totally agree
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Old 08-09-2008   #19
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Re: So does your remapped 1.9GPS really have better fuel economy?

Quote Originally Posted by corsakid View Post
Theres a lot of bull floating about how remaps work.

1. Manufacturers/ECU designers don't release source code to Joe Remap.

2. Joe Remap doesn't have the resources to reverse engineer ECU software in any detail - he gets his info from Johnny Pirate

3. Johnny Pirate is a pretty smart guy who's worked out how to patch a bit of wobbly code into the software. The bit just before the injectors fire.

4. Joe Remap and all his chums down at the rechip saloon pay Johnny a wodge to get this software kludge running on their kit, they all agree not say anything to anyone and everyones a happy bunny.

5. The reason the mpg does not actually increase is simple - you don't get something (increased power) for nothing (less fuel). Power/torque increase in diesels is SIMPLY OVERFUELLING.

6. The reason you think (i.e. the "on board computer") is getting better mpg, is the software is cocked up. You're operating lower down in the maps and the untouched bit of the software assumes lower injection rates than is actually the case.

7. All remaps are detectable - A simple CRC check on the code memory would show it up.
Nice one you've just prooved you know nothing about ECU remapping as well as computer hardware engineering nice one . They don't JUST change fueling it changes injection timing in diesels and ignition timing in petrols.

And yes it is a piece of piss to reverse engineer, after all its just stored on a ROM / EEPROM chip on the ECU board. If it comes to the crunch you can just remove the chip and put it in a universal EEPROM / ROM reader and do a raw code dump.

And a simple 'CRC check on the code memory' wouldn't show f*** all for the simple fact a 'Remap' wouldn't touch the code memory!.

I suggest you have a deep look into yourself as a human being and figure out why you feel the need to post crap on the forum.
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Last edited by ChrisUK; 08-09-2008 at 11:00.
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Old 08-09-2008   #20
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Re: So does your remapped 1.9GPS really have better fuel economy?

Quote Originally Posted by ChrisUK View Post
figure out why you feel the need to post crap on the forum.
Because he owns a corsa?
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Old 08-09-2008   #21
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Re: So does your remapped 1.9GPS really have better fuel economy?

Quote Originally Posted by punto_matt View Post
Because he owns a corsa?
Good point

BTW your car looks awesome in the flesh very .... Black
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Old 08-09-2008   #22
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Re: So does your remapped 1.9GPS really have better fuel economy?

Quote Originally Posted by ChrisUK View Post
Good point

BTW your car looks awesome in the flesh very .... Black
Cheers mate Yours looked good too, miss my 2b still
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Old 08-09-2008   #23
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Re: So does your remapped 1.9GPS really have better fuel economy?

Quote Originally Posted by ChrisUK View Post
I suggest you have a deep look into yourself as a human being and figure out why you feel the need to post crap on the forum.
Quote Originally Posted by punto_matt View Post
Because he owns a corsa?


Harsh, but true.
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Old 08-09-2008   #24
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Re: So does your remapped 1.9GPS really have better fuel economy?

to be honest if i wanted to get better mpg i wouldn't have bothered getting the re-map done because i put my foot down a hell of alot more than pre-map! and also it cost over 300 i could have got alot of fuel with that
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Old 08-09-2008   #25
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Re: So does your remapped 1.9GPS really have better fuel economy?

Why did you not just go to red dot and save yourself 100?
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