[alfamorocco]

So i have stuttering. I have alot of regens.no power in hills.and poor start.. And i was thinking about egr and dpf delete. is it the same As what you mentioned? I mean same results? It will only cost me 70 usd to do this. Should i go for it?

 

[Britswiss]

So i have stuttering. I have alot of regens.no power in hills.and poor start.. And i was thinking about egr and dpf delete. is it the same As what you mentioned? I mean same results? It will only cost me 70 usd to do this. Should i go for it?

Hi AlfaMorocco

I believe we have been discussing 2 options here. One is the EGR/DPF delete and feedback from Aus is that it's around $1200 to have that done. In the UK it seems to be more reasonable however $US70 sounds very cheap IMHO and I wonder what work would be done for that.

The other option which is the one I have opted for after 2-3 years of having this issue was to purchase the EGR simulator. With the information I have from Australia it was by far the more viable option for me personally. It is easily reversed (not so with the EGR/DPF delete) and cost me $AU 110 approx plus about an hour of my time.

I hope that helps but there are more informed people than me on this forum and I'm sure they will comment soon enough.

 

[alfamorocco]

Hey britwiss.thanks for your answer.

Im from morocco and it's cheap to fix cars.(not always) some guys ask for (1500 Mad) 150 usd for that work. So the mechanic told me he will delet them(egr dpf) in ECU. And he will drill some holes in Dpf.i can ask him to remove it but that will cost me more(still i think it's going to be cheap)

He did the work in alot of cars (VW. Alfa. peugeot...)

And about the second option. Getting something from Internet will cost me more (country tax and stuff)

so i just want to enjoy my alfa for the first time. It's been 4weeks now and always hill problem.

 

[Chipmik]

I ran my 147 with the EGR fully blanked for a few weeks. The car ran well but of course the MCSF light was on. Then I went and had it mapped out by Autolusso - a bit expensive for just turning a light off. Except it doesn't just do that, it changes the fuelling to use the unexpectedly unadulterated air. The difference was obvious the moment I pulled away. Smooth, progressive and more power right from tickover up to the point where the turbo begins to boost. I had deleted my swirls too. Egr deliberately reduces efficiency at low revs, this map puts it back. It's possible the cheater does similar.

Halftone: Unfortunately the simulator would set the MIL-lamp if it would tell the true amount of air..As this is exactly what turns the MIL-lamp on, due to no air going through a blanked EGR, hence ECU detecting something wrong..

What the simumlator does is to decrease the airflowsignal from the MAF to the ECU when there´s a signal from the ECU to the EGR, asking it to open. (+ offcourse some load/low impedance in the sim-interface for EGR, to emulate the missing EGR so not to throw up faultcode for open wiring to it)

 

[halftone]

Right, well I am struggling to grok quite how MAP, MAF, EGR values all inter-relate. I just don't know enough here.

Autolusso will map out the EGR on ECU's sent by post, if it helps, for 150GBP + return postage.

 

[halftone]

[double post deleted]

 

[giblets46]

Guys, when you say it's a new car, do you find its got a more constant acceleration curve? Or is it power? Or is it something else....I'm wondering if an 'egr delete' gives the same results. Or is it the ease of fixing and cost of doing it which sold you both.. or....thanks for humouring me....

The acceleration below 2,000 rpm is noticeably improved. The essentials are that the EGR takes the exhaust gas off before the turbo, so in most running modes, the turbo is has less gas running through it. When you put your foot on the throttle, the EGR will close, but the effect is not immediate, so it takes longer for the turbo to produce full power....felt as turbo lag, this is even more pronounced when you have a leaky EGR!

As far as I am aware the car doesn't actually think you need all the power til you hit 2,000rpm, as such it is open below this value

 

[Chipmik]

The acceleration below 2,000 rpm is noticeably improved. The essentials are that the EGR takes the exhaust gas off before the turbo, so in most running modes, the turbo is has less gas running through it. When you put your foot on the throttle, the EGR will close, but the effect is not immediate, so it takes longer for the turbo to produce full power....felt as turbo lag, this is even more pronounced when you have a leaky EGR!

As far as I am aware the car doesn't actually think you need all the power til you hit 2,000rpm, as such it is open below this value

But still....noone has tried to put in a blankingplate & drive with that alone before mounting the "simulator"?

 

[giblets46]

But still....noone has tried to put in a blankingplate & drive with that alone before mounting the "simulator"?

You mean compare the the simulator with no simulator? Plenty have had just the blanking plate.


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[Chipmik]

You mean compare the the simulator with no simulator? Plenty have had just the blanking plate.


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Yes..But..Does the altered signal from MAF, which means ECU doesnt throw fault-codes..Makes the ECU run i a more strictly controled loop, with sweeter engineculture as a result, or is only diff. That ECU-lamp stays off. (Which i have a dongle to take care off doesnt show up )

 

[Britswiss]

Hi all

I reset Trip A last week and have done around 600km since. Before I reset the trip, Trip B was at 9.4 L/100km. I checked Trip A this morning and it's sitting at 8.8 L/100km. Given how incredibly smooth motorway driving is now I'm not really surprised. About a 6% increase in economy! I asked the missus to drive for about 30km on the weekend and although she doesn't drive it often, her main impression was that the low RPM power delivery is more responsive and even.

I'm so relieved and driving the 159 is such a pleasure now. :thumbup::biglaugh:

 

[Brenton68]

Hi all

I reset Trip A last week and have done around 600km since. Before I reset the trip, Trip B was at 9.4 L/100km. I checked Trip A this morning and it's sitting at 8.8 L/100km. Given how incredibly smooth motorway driving is now I'm not really surprised. About a 6% increase in economy! I asked the missus to drive for about 30km on the weekend and although she doesn't drive it often, her main impression was that the low RPM power delivery is more responsive and even.

I'm so relieved and driving the 159 is such a pleasure now. :thumbup::biglaugh:

That's great news.

Mine is the 1.9L and the economy now sits at 6.9L/100km. No complaints here.:happy:

 

[smhaze]

But still....noone has tried to put in a blankingplate & drive with that alone before mounting the "simulator"?

You mean compare the the simulator with no simulator? Plenty have had just the blanking plate.

I'm testing this for you as we speak.


So I had the `little cough problem` since +- 10 days. Especially when the engine is cold, around 1800 - 2000 rpm, and pushing the pedal just a few mm down. Resulting in the boostpressure to drop to zero. When giving a little more gas, there is a delay followed by a hikkup, afterwards things are normal again.

I had no issues starting though. What I did see was a 13% milage increasement over these days. I keep track of my fuelings: https://www.spritmonitor.de/en/detail/746178.html

First I thought it had something to do with my new tires (the milage increasement), but I couldn't ignore those `coughs`, so it had to be EGR related.

I've ordered the EGR simulator/cheater from ebay, and it's still on its way. However I couldn't stand my car being suffocated while waiting for the device. So I made my own EGR blanking plate out of 4mm RVS and as predicted after three runs the engine light came on. I've driven 200KM so far. No noticable power inprovement, but hey, I just had the problem for 10 days so thats different than having the problem for over a year.

The milages did improve and it's back to normal I guess, maybe a little better than normal. Atleast thats what the ECU is telling me, and it has proven to be quite accurate over time. I know for sure in 3 days when my tank is empty again.

I will leave the blanking plate on until next weekend, then i'm going to add the EGR simulator/cheater and see if that makes any difference in milage or power.

 

[giblets46]

Good stuff, when they introduced EGRs to the U.S. Truck fleet as a mandatory addition, the whole US fleet MPG over the U.S. got worse by 3%, so you should expect to see an improvement in that figure when blanked.


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[Chipmik]

Did the coughing disappear after you installed the plate? Loooking forward to hear if the simulator makes any diff. Beside turning of EML-light

I'm testing this for you as we speak.


So I had the `little cough problem` since +- 10 days. Especially when the engine is cold, around 1800 - 2000 rpm, and pushing the pedal just a few mm down. Resulting in the boostpressure to drop to zero. When giving a little more gas, there is a delay followed by a hikkup, afterwards things are normal again.

I had no issues starting though. What I did see was a 13% milage increasement over these days. I keep track of my fuelings: https://www.spritmonitor.de/en/detail/746178.html

First I thought it had something to do with my new tires (the milage increasement), but I couldn't ignore those `coughs`, so it had to be EGR related.

I've ordered the EGR simulator/cheater from ebay, and it's still on its way. However I couldn't stand my car being suffocated while waiting for the device. So I made my own EGR blanking plate out of 4mm RVS and as predicted after three runs the engine light came on. I've driven 200KM so far. No noticable power inprovement, but hey, I just had the problem for 10 days so thats different than having the problem for over a year.

The milages did improve and it's back to normal I guess, maybe a little better than normal. Atleast thats what the ECU is telling me, and it has proven to be quite accurate over time. I know for sure in 3 days when my tank is empty again.

I will leave the blanking plate on until next weekend, then i'm going to add the EGR simulator/cheater and see if that makes any difference in milage or power.

 

[smhaze]

Did the coughing disappear after you installed the plate? Loooking forward to hear if the simulator makes any diff. Beside turning of EML-light

Forgot to mention it did cure the cough as expected. I would expect that the simulator makes a difference, it changes the data generated by the MAF. I think the MAF sensor produces more sensative and accurate data than the MAP sensor does.

I even got an regen this morning, the current avg between regens is 404KM. When I notice the next regen, I will see what the new distance is and see if that's also improved.

 

[smhaze]

So I fitted the simulator/cheater today. I will post those results next week.

The results of the blanking plate with a check engine light:

The fuel econemy is back to old values: 15.41 km/l || 36.25MPG However this was incl 3 regenerations, so i'm certain it improved a little bit more than normal.

The strang thing though that was that it looked like my car switched between maps (if that is even possible). Perhaps because it doens't really know which sensor to trust, depending on the reading it switches map? I drive the same 200km highway everyday, since I live in the very flat netherlands I know this road very well. On specific points on the road it could do 14.5km/l || 34.11MPG while driving 120km/h 75Mph the next day, on the same part of the road with the same outside conditions (wind speed/wind direction) while driving the same speed, it could do 17.5km/l || 41.16mpg. Encouter this phenomena multiple times. Could be just an coincidence.

Anyway I fitted the simulator and did some ECU readings to see if it makes any affect on any of the sensor readings. Attached you will find 4 files (csv extension) This you can open with multiecuscan and check or uncheck some of the parameters to get a better view.

2 of the files are before I fitted the simulator/cheater. 1, in neutral gear with some various engine speeds. The other one is a short ride around the block. Same goes for the 2 files with the EGR simulater/cheater in place.

It seems that my turbo overboosts, do not really know if that's because of the EGR blanking plate, haven't noticed this overboost before.

Anyway, enough talk time for some attachments.

EGR simulator/cheater FiatMultiEcoScan graphs

 

[giblets46]

It seems that my turbo overboosts, do not really know if that's because of the EGR blanking plate, haven't noticed this overboost before.

]

Think that's pretty normal, as the turbo now has all the exhaust going through it instead of some getting taken off to go through the EGR. The net result is the turbo starts from a much higher rpm ( and the vanes adjusted accordingly)



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[alfamorocco]

Hey guys im back. After i told you about my egr blanking and ect. So the car is egr blanked. Check engine is on. The fuel economy is way better used to have 8.1 in city. Now its 6.1 (so happy). But there is a thing that bothers me.when im in third gear and im in 1200rpm. And i accelerate. Tje car start accelerating then when it hits 2000 rpm i feel there is a jump. It's like hesitate and jump. Do you think that only the blanking plate is causing this?

 

[As the day goes]

Hey guys im back. After i told you about my egr blanking and ect. So the car is egr blanked. Check engine is on. The fuel economy is way better used to have 8.1 in city. Now its 6.1 (so happy). But there is a thing that bothers me.when im in third gear and im in 1200rpm. And i accelerate. Tje car start accelerating then when it hits 2000 rpm i feel there is a jump. It's like hesitate and jump. Do you think that only the blanking plate is causing this?

Clean the MAF and MAP. Plenty of posts in the stickies and I posted recently on this issue of a jump around 2000rpm.