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[TheBoy]

After getting a feel for Tractor economy, just to see if mine has something fundamentally wrong, or if they are all just crap.  Just trying to work out if its worth spending any more time and effort on it.

Only interested in 2.5TD engines here.

Computer MPG: 38
Actual MPG: 32
Chipped: Yes
Gearbox: Auto
Driving Style: Spirited

[TheBoy]

Computer MPG: 29
Actual MPG: 29
Chipped: No
Gearbox: Auto
Driving Style: Miss Daisy

[osealy]

All  td auto estates
M no maf computer 38, real 34.
N no maf                57        34
P      maf                28        34
S      maf                36.3      36.
Spread over 200k odd.
Mix of traffic & motorway at 80

[Omegatoy]

Hmm thinking outside the box here,
does the mid  get information from the maf? cos im guessing it does,
so Im thinking if the hotwire is slighty dirty or old it would give a slightly wrong signal? so basically what im saying is have you tried another maf?

[Seth]

After getting a feel for Tractor economy, just to see if mine has something fundamentally wrong, or if they are all just crap.  Just trying to work out if its worth spending any more time and effort on it.

Only interested in 2.5TD engines here.

Computer MPG: 38
Actual MPG: 32
Chipped: Yes
Gearbox: Auto
Driving Style: Spirited

Sounds about right Jame!
Since you and Mark chipped my manual-boxed estate, it's returning 33mpg constantly. Taking into account the Valleys terrain and 'reasonably spirited' driving style I'm pretty well satisfied.
Still, I'd be even happier with more MPG - but wouldn't we all!

[Turk]

After getting a feel for Tractor economy, just to see if mine has something fundamentally wrong, or if they are all just crap.  Just trying to work out if its worth spending any more time and effort on it.

Only interested in 2.5TD engines here.

Computer MPG: 38
Actual MPG: 32
Chipped: Yes
Gearbox: Auto
Driving Style: Spirited

Sounds about right Jame!
Since you and Mark chipped my manual-boxed estate, it's returning 33mpg constantly. Taking into account the Valleys terrain and 'reasonably spirited' driving style I'm pretty well satisfied.
Still, I'd be even happier with more MPG - but wouldn't we all!

Valleys terrain ?!?  Most of your patch is more like the Alps.  

[tunnie]

33mpg from a tractor is rubbish, take into account petrol is almost 10p a liter more at the pumps, you might as well run a V6  :-/

[Turk]

I get 40 to 41mpg on a mixture of town and my daily A road commute and 50-51mpg on steady run, sticking to 60-65mph.  

[TheBoy]

Hmm thinking outside the box here,
does the mid  get information from the maf? cos im guessing it does,
so Im thinking if the hotwire is slighty dirty or old it would give a slightly wrong signal? so basically what im saying is have you tried another maf?

gets from engine ecu.  remember the mid is accurate with the std chip in.  I think i know why mid inaccurate with performance chip in

[TheBoy]

I get 40 to 41mpg on a mixture of town and my daily A road commute and 50-51mpg on steady run, sticking to 60-65mph.  

is that mid or actual? chipped? auto or manual?

[TheBoy]

33mpg from a tractor is rubbish, take into account petrol is almost 10p a liter more at the pumps, you might as well run a V6  :-/

says someone with, from own admission, a high 20s mpg 2.2

[charlie]

average 30mpg 2000 manual ,i find 4th gear get more mpg?

[MickAP]

After getting a feel for Tractor economy, just to see if mine has something fundamentally wrong, or if they are all just crap.  Just trying to work out if its worth spending any more time and effort on it.

Only interested in 2.5TD engines here.

Computer MPG: 38
Actual MPG: 32
Chipped: Yes
Gearbox: Auto
Driving Style: Spirited

Mine I would say is much the same as your's, mine is chipped also.
Pre chip I regularly got around 29mpg just local short stop start driving. Longer journeys would return around 42mpg pre chip.
Yes the MID display is wayward with the figures after the chip is installed, especially the range "miles left in tank" readings which seem to be all over the place..........Having said all this would I take the chip out................No!....... rather have the performance at the expense of economy.

In my opinion the chip transforms the performance of the TD and it was supposed to give me better MPG as well (so the guy who supplied it says) but hey I'm not complaining for the money it cost me. Really comes into it's own towing the caravan (no jokes please) more power  even if the MPG suffers. It used to be really scary towing before the chip was fitted, especially pulling away from a standing start......gutless.

Mick

[TheBoy]

After getting a feel for Tractor economy, just to see if mine has something fundamentally wrong, or if they are all just crap.  Just trying to work out if its worth spending any more time and effort on it.

Only interested in 2.5TD engines here.

Computer MPG: 38
Actual MPG: 32
Chipped: Yes
Gearbox: Auto
Driving Style: Spirited

Mine I would say is much the same as your's, mine is chipped also.
Pre chip I regularly got around 29mpg just local short stop start driving. Longer journeys would return around 42mpg pre chip.
Yes the MID display is wayward with the figures after the chip is installed, especially the range "miles left in tank" readings which seem to be all over the place..........Having said all this would I take the chip out................No!....... rather have the performance at the expense of economy.

In my opinion the chip transforms the performance of the TD and it was supposed to give me better MPG as well (so the guy who supplied it says) but hey I'm not complaining for the money it cost me. Really comes into it's own towing the caravan (no jokes please) more power  even if the MPG suffers. It used to be really scary towing before the chip was fitted, especially pulling away from a standing start......gutless.

Mick

Obviously I can't speak about towing, but I seem to get a good 10% plus improvement on economy with the chip, even though I drive it in a more spirited manner.  So purely from that view, the chip is staying, as its more economical and more power.

My trouble is, when the old head was on, I used to consistently get (according to MID, and pre chipped) 37mpg.  Hence why I've been chasing potential problems with fuelling of the car for the last year or so.

I am beginning to wonder if this was purely down to the fact with the old, damaged head, I used to cruise everywhere gently - give it any large anywhere for more than 10s and it used to blow its load all over the carriageway.

[TheBoy]

After getting a feel for Tractor economy, just to see if mine has something fundamentally wrong, or if they are all just crap.  Just trying to work out if its worth spending any more time and effort on it.

Only interested in 2.5TD engines here.

Computer MPG: 38
Actual MPG: 32
Chipped: Yes
Gearbox: Auto
Driving Style: Spirited

Mine I would say is much the same as your's, mine is chipped also.
Pre chip I regularly got around 29mpg just local short stop start driving. Longer journeys would return around 42mpg pre chip.
Yes the MID display is wayward with the figures after the chip is installed, especially the range "miles left in tank" readings which seem to be all over the place..........Having said all this would I take the chip out................No!....... rather have the performance at the expense of economy.

In my opinion the chip transforms the performance of the TD and it was supposed to give me better MPG as well (so the guy who supplied it says) but hey I'm not complaining for the money it cost me. Really comes into it's own towing the caravan (no jokes please) more power  even if the MPG suffers. It used to be really scary towing before the chip was fitted, especially pulling away from a standing start......gutless.

Mick

Dead right - I went back to the standard chip for 3 weeks in Jan/Feb, and its horrible. Awful. Undrivable.