Kadonkadonk1 · Nov 28, 2017

I was talking today to somebody who works for a tuning company and we were talking about the issues I been having with the vehicle.
They then informed me that if I have a 10p engine then I can just go ahead and disconnect the maf and it won't affect anything.
I asked if it will be more thirsty or run a bit rough with it disconnected and he told me that it wouldn't drop mpg as the maf on a 10p engine only activates the egr.
He advised that the default settings will be used for the maf if it's disconnected and all other sensors will remain the same.

I'm a bit sceptical with this as why would there be a maf sensor in the first place on the 10p engine if it wasn't actually doing anything apart from making the vehicle run worse at times.

I'm looking for your opinions on this please guys as if it's correct I'll leave mine disconnected

johnlad · Nov 28, 2017

Maf disconnected on mine upset the injector balance, also will be sluggish setting off after first started as it takes the ecu a few seconds to change to default map

Kadonkadonk1 · Nov 28, 2017

johnlad said:
Maf disconnected on mine upset the injector balance, also will be sluggish setting off after first started as it takes the ecu a few seconds to change to default map

What did you mean it upset the injector balance mate

1988smithy · Nov 28, 2017

It'll change to a default fuelling map, ovefueled I think with MAF disconnected.
If you disconnect MAF and car runs better, replace the MAF

Kadonkadonk1 · Nov 28, 2017

1988smithy said:
It'll change to a default fuelling map, ovefueled I think with MAF disconnected.
If you disconnect MAF and car runs better, replace the MAF

That's what I did say to him, that it's meant to overfuel but he said no as the maf sensor doesn't have anything to do with the fuel like on the 15p

1988smithy · Nov 28, 2017

https://www.landyzone.co.uk/land-rover/15p-any-better-than-10p-engine.261064/

This may help you mate

wammers · Nov 28, 2017

1988smithy said:
It'll change to a default fuelling map, ovefueled I think with MAF disconnected.
If you disconnect MAF and car runs better, replace the MAF

MAF on a diesel is for EGR it has nothing to do with fuelling.

bankz5152 · Nov 28, 2017

Oh no

1988smithy · Nov 28, 2017

wammers said:
MAF on a diesel is for EGR it has nothing to do with fuelling.

I always thought it was one of the sensors used to determine fuelling as well. I did ponder this when I bypassed egr

neilly · Nov 28, 2017

bankz5152 said:
Oh no

Are you gonna share?

Cheers

300bhp/ton · Nov 28, 2017

I don’t know the specifics on the 10p engine. But in general a MAF is a Mass Air Flow meter. Ie it measure the flow and mass of the air and is then used to adjust the fuelling accordingly.

Unplugging it will then normally result in a default fuel map. Which should be save to run. But won’t be able to cater for different situations.

1988smithy · Nov 28, 2017

bankz5152 said:
Oh no

Haha stick it in the do not disturb bin with tyres, oil and rustproofing

@Turboman

Kadonkadonk1 · Nov 28, 2017

I find this all a bit strange as I don't see why somebody from a reputable landrover tuning company would suggest to leave it unplugged if it would cause any problems down the line.

I also don't see why there would be a maf sensor if it didn't do anything apart from control the egr valve. How does it activate the egr valve by the way ?

I'm also wondering why people say that these vehicles will over fuel if the maf sensor doesn't have anything to do with the fuel.

1988smithy · Nov 28, 2017

Kadonkadonk1 said:
I find this all a bit strange as I don't see why somebody from a reputable landrover tuning company would suggest to leave it unplugged if it would cause any problems down the line.

I also don't see why there would be a maf sensor if it didn't do anything apart from control the egr valve. How does it activate the egr valve by the way ?

I'm also wondering why people say that these vehicles will over fuel if the maf sensor doesn't have anything to do with the fuel.

There seems to be 2 distinct camps, 1 saying it's just for EGR control, 1 for fuelling. Maybe small religious minority sect that say both. I'm in the sect

Turboman · Nov 28, 2017

1988smithy said:
Haha stick it in the do not disturb bin with tyres, oil and rustproofing

@Turboman

I always ignore Td5 questions. Because I don't know much about em.

Except for simple stuff, like what oil they use, etc.

1988smithy · Nov 28, 2017

Turboman said:
I always ignore Td5 questions. Because I don't know much about em.

Except for simple stuff, like what oil they use, etc.

Ssssshhhhh! Don't mention o-i-l

I don't know much about em either

neilly · Nov 28, 2017

Turboman said:
Except for simple stuff, like what oil they use, etc.

Cat amongst the pigs, why don't you..............

Cheers.

Turboman · Nov 28, 2017

Kadonkadonk1 said:
I find this all a bit strange as I don't see why somebody from a reputable landrover tuning company would suggest to leave it unplugged if it would cause any problems down the line.

I also don't see why there would be a maf sensor if it didn't do anything apart from control the egr valve. How does it activate the egr valve by the way ?

I'm also wondering why people say that these vehicles will over fuel if the maf sensor doesn't have anything to do with the fuel.

Just a thought, but maybe the company (Are there reputable companies? All exist to make money, all get some satisfied customers, some dissatisified!), suggest that in conjunction with EGR blanking.

I am with Wammers on this one, as far as I know from general principles, the Mass Air Flow Meter has no effect on fuelling on a diesel.

Turboman · Nov 28, 2017

neilly said:
Cat amongst the pigs, why don't you..............

Cheers.

Just trolling. It's a tough job, but someone has to do it!

Kadonkadonk1 · Nov 28, 2017

Apparently the fuel consumption is calculated by the map sensor on the 10p and it's done between the maf and map on the 15p

Member

Well-Known Member

Member

Well-Known Member

Member

Well-Known Member

No longer with us, RIP

Well-Known Member

Well-Known Member

Well-Known Member

Well-Known Member

Well-Known Member

Member

Well-Known Member

Mab An Gov

Well-Known Member

Well-Known Member

Mab An Gov

Mab An Gov

Member

Similar threads