Remapping. Risky? Your thoughts?

Mine's remapped, it's an N/A though so the gains are puny, +19HP and +15Nm - And all of that is at above 6500rpm to 8300rpm :p

Still, a gain is a gain.
 
To coin your phrase "ultimately I couldn't care less" if African nations choose to run clapped out old oil burners because I don't breathe their air.

Modern diesels are complex and costly to maintain, no one is forcing you to own one. Ultimately your car was designed to work perfectly well with a DPF. The fact yours isn't means that it needs fixing. Fixing cars is expensive and when they are not economically viable to fix they go to the crusher, replaced with (hopefully) newer cleaner examples.

You keep talking about global pollution and polar bears, none of that has anything to do with diesel particulates which hang around at street level and get breathed in by people.

Anyway the OP was asking about remaps for performance reasons, not to avoid having a DPF fitted.
The only reason my car is unviable to fix is because of the unnecessary DPF, now it's been removed it's driving better than at any previous time in my ownership, and is far more efficient, if that's a reason to scrap it then I'm not taking it.

And yes, the OP was in about performance remaps, mine already was remapped from what I can tell from its performance prior to the DPF removal and it performs just as well now the DPF has been mapped out.

As for what Africa does, more the point that we are forced to observe these emissions standards yet a far greater proportion of the world's population get to ignore them with impunity.
 
The only reason my car is unviable to fix is because of the unnecessary DPF, now it's been removed it's driving better than at any previous time in my ownership, and is far more efficient, if that's a reason to scrap it then I'm not taking it.

And yes, the OP was in about performance remaps, mine already was remapped from what I can tell from its performance prior to the DPF removal and it performs just as well now the DPF has been mapped out.

As for what Africa does, more the point that we are forced to observe these emissions standards yet a far greater proportion of the world's population get to ignore them with impunity.
What qualifies you to determine that the DPF is unnecessary?! It's pretty well established that diesels particulates are a massive contributor to localised air quality issues and are carcinogenic. Yes, older diesels didn't have them, in a similar way that older petrols didn't have catalytic converters. Doesn't mean that they are "unnecessary".

Have you considered that, maybe, the remap was the root cause of the DPF issues in the first place?! Most remapped diesels seem to be keen to dump smoke out of the exhaust. Especially 'Gary off of Facebook' 'no smoke no poke lol' style maps which just dial the fuel and boost up to 11.

Of course it performs just as well without a DPF fitted, that isn't the point of them.

Again, the Africa comparison is pointless. We are talking about DPFs and diesel soot. That stuff doesn't float off into the atmosphere and end up in my lungs.
 
Modern diesels are complex and costly to maintain, no one is forcing you to own one. Ultimately your car was designed to work perfectly well with a DPF. The fact yours isn't means that it needs fixing. Fixing cars is expensive and when they are not economically viable to fix they go to the crusher, replaced with (hopefully) newer cleaner examples.
Must feel great being able to be so self righteous...

Unfortunately the reality is that's not necessarily the case, not all can afford the £1500+ to get the dpf issue fixed, and sometimes they are just poorly designed and continue to go wrong regardless of how much you fix it.

Likewise if people cannot afford the luxury of repairing their car then they aren't likely going to be able to afford a new one, but people still need to go to work and people still need to do low paid jobs...

Obviously this isn't the case for everyone but one should never assume that everyone else is as fortunate as them...

On the Mondeo pool car at work only gets used to do long runs to the airport or to meet customers up and down the country, the dpf kept blocking, we tried cleaning it, worked ok for a few months then broke again, cleaned it again and change the injectors, lasted a few weeks, replaced the dpf, the pressure lines and the 5th injector, lasted a few months and failed again, cleaned the dpf, replaced the 5th injector again, replaced the pressure lines again, replaced the pressure sensors, replaced the turbo and got the injectors tested again... Lasted 3 months and failed again... So far the bill was £3500 in total, all done at fords. Got the hump with it, toom to a local garage removed the dpf inards, re-welded it and mapped the dpf out, cost £500, not had a problem with it for the last 3 years now.
 
Didn’t fancy a new DPF and EGR?… :D

I don’t enjoy being behind people who clearly have a DPF Delete, EGR etc - Literally can taste the fumes, I’ll always hang back or overtake when possible.

Oh and those burning stupid amounts of oil, you know full well they are aware but just continue to ensure the driver behind can’t breathe.

Not pleasant :(
No, because they are nothing but an expensive headache when they go wrong.
Taste the fumes??? What do you think happened to pre 08 non DPF diesel's? Or did you overtake everyone?
 
Must feel great being able to be so self righteous...

Unfortunately the reality is that's not necessarily the case, not all can afford the £1500+ to get the dpf issue fixed, and sometimes they are just poorly designed and continue to go wrong regardless of how much you fix it.

Likewise if people cannot afford the luxury of repairing their car then they aren't likely going to be able to afford a new one, but people still need to go to work and people still need to do low paid jobs...

Obviously this isn't the case for everyone but one should never assume that everyone else is as fortunate as them...
No, not self righteous in the slightest. Just that if I couldn't afford to maintain a car I simply wouldn't buy it.

There are plenty of far cheaper to maintain, cheaper to run, cheaper to purchase cars out there but Scania made the choice not to buy one of those, instead he bought a Volvo V70 D5.
 
Last edited:
No, because they are nothing but an expensive headache when they go wrong.
Taste the fumes??? What do you think happened to pre 08 non DPF diesel's? Or did you overtake everyone?

I wasn’t old enough to drive Pre 08.

I’ve come across plenty of cars which are clearly running poorly, typically rough around the edges cars which you could bet the DPF has been removed, or is burning something it shouldn’t be excessively enough for it to fill my cabin unpleasant fumes.

No doubt by people who cut corners when they have had mechanical issues.

As long as they get from A to B! F… everybody else.
 
Last edited:
I wasn’t old enough to drive Pre 08.

I’ve come across plenty of cars which are clearly running poorly, typically rough around the edges cars which you could bet the DPF has been removed, or is burning something it shouldn’t be excessively enough for it to fill my cabin unpleasant fumes.

No doubt by people who cut corners when they have had mechanical issues.

As long as they get from A to B! F… everybody else.

Do you live in a mud hut or an otherwise complete carbon neutral and eco balanced life?

Do you think you are in a position to judge?
 
Do you live in a mud hut or an otherwise complete carbon neutral and eco balanced life?

Do you think you are in a position to judge?

I’m not talking about any bigger picture here in terms of Pollution to the planet.

I’m talking about stuck behind cars that are kicking out loads of crap due to some issue which isn’t being addressed as the vehicle still moves I’m guessing.

Am I in the minority to have been stuck behind plenty of vehicles just choking me death?!
 
I’m not talking about any bigger picture here in terms of Pollution to the planet.

I’m talking about stuck behind cars that are kicking out loads of crap due to some issue which isn’t being addressed as the vehicle still moves I’m guessing.

Am I in the minority to have been stuck behind plenty of vehicles just choking me death?!
Nope, it gets on my wick too. There is no excuse for a diesel to be chucking out visible smoke. Fix it, or get it off the roads.

The no smoke, no poke crew with their eBay remaps need stamping out too. "Rolling coal" and wearing their soot covered tailgates like a badge of honour. I've noticed a couple of the locals now wash half the tailgate / rear window and leave the other half a sooty mess :rolleyes:

My old man managed to run a 98 Mondeo TD up to 190k without it chucking out smoke simply by ensuring the thing was maintained properly so there is no excuse.
 
Last edited:
I had my mx5 remapped 5 years ago and it hasn't missed a beat since. Combined with a decatted exhaust manifold, it took the power from 158bhp to 190bhp. Not a huge gain, but significant for a lightweight car.

The tuning guy did mx5s only and did well over 30 runs on the dyno, fiddling on his laptop in between.

As well as extracting as much power as he safely could, he also did the following:

Set up 4 switchable maps:

1. Main tuned map tailored to Vpower (my every day map).

2. Tuned map with racing features:

Launch control
Throttle blip when shifting gears
Flat foot shifting

3. Factory map (when no 99ron available, for example driving in Europe)

4. Valet mode (revs limited to 4000rpm)

He also did the following:

Eliminated a flat spot between 5500rpm and 6000rpm.

Removed the 90% power restriction for 1st and 2nd gear (apparently added to factory map to help the traction control)

Reduced the fuelling at idle by 25% for economy.

Regarding economy, I get low 30s mpg around town and high 30s on a motorway journey, compared to high 20s around town and low 30s pre remap.

On a trip to the Ring in April I was averaging 15mpg per lap :)

Overall I'm very pleased and it was well worth the £500 I paid the tuner.

In his own words: 'It wakes up the engine and makes it come alive".
 
Whilst it may well be, for all I know the DPF may well already have been deleted prior to me buying it.. ;)

Ultimately, I couldn't care less.

I'm now getting better mpg and the damn thing isn't dropping into limp mode due to a blocked DPF every few weeks.

Besides, I'm well aware that as a country we export many cars & trucks to Africa and elsewhere, the one thing that's done at the point of export is the removal of emission control equipment...

The U.K. is what to global pollution in percentage? Were we all to be 100% green tomorrow, we'd really make a difference?

Don't make me laugh.
You ever sat behind a DPF deleted car?
They stink to high heaven and are just down right horrible to drive behind.
 
You seem to both see and miss my point entirely.

We export a huge number of end of life vehicles from here to Africa, there, they get a new lease of life albeit with the emission controls we are all slave to removed, arguably why the air you breathe over there is so much worse than ours.

And that's my point, we (ie the U.K.) are expected to follow these regulations yet huge (and by far a bigger percentage of the global population than us) ignore it.

There lies the problem.
And?

At least we attempt to do something about it. Giving us the moral and ethical high ground.

Just because Africa and other places don't care, doesn't mean we shouldn't either.
 
As for what Africa does, more the point that we are forced to observe these emissions standards yet a far greater proportion of the world's population get to ignore them with impunity.

“They’re not doing is so why should we?”

C’mon, I know you’re better than that.
 
What does a DPF have to do with global pollution? :confused:

I've not spent much time in Africa but a few weeks in Kenya for work was enough for me to be confident in saying that I'd rather breathe the air in any major UK city than even a moderately sized town there. There are many reasons why UK/Euro spec emission control isn't suitable there but things like DPFs being a "con" isn't one of them.
If you got no dpf then your just spreading cancer.
 
Back
Top Bottom