Lorryman100 wrote:

Some Xgauge codes that work on Defender Pumas.


New XGauge: Fuel Pressure (if no FPR, Fuel Pressure at Rail).
TXD: 07E00123.
RXF: 044105230000.
RXD: 2810
MTH: 000100570000.
New Xgauge display name: FPr.
Measurement units: PSI.

New XGauge: EGR Duty Cycle
TXD: 07E022113C
RXF: 04628511063C
RXD: 3010
MTH: 03E87FFF0000
New XGauge display name: EGR
Measurement: Percent %

New XGauge: Cylinder Head Temperature (Not coolant temp at head)
TXD: 07E0221624
RXF: 046205160624
RXD: 3010
MTH: 000200010000
New XGauge Display Name: CHT
Measurement: Degrees Fahrenheit

New XGauge: Fuel Pump Duty Cycle
TXD; 07E0221672
RXF: 046205160672
RXD: 3008
MTH: eBay Item No. 006400800000
New XGauge Display Name: FP
Measurement: Percent

New XGauge: Fuel Level
TXD: 07E02216C1
RXF: 0462451606C1
RXD: 3010
MTH: 000101480000
New XGauge Display Name: FLV
Measurement: Percent

New XGauge: Horsepower
TXD: 00
RXF: 400080000000
RXD: 0000
MTH: 000A00240000
New XGauge Display Name: HPR
Measurement: Diesel Gross/Brake

New XGauge: Engine Run Time
TXD: 07DF011F
RXF: 0441051F0000
RXD: 2810
MTH: 0001003C0000
New XGauge Display Name: ERT
Measurement: Minutes

If I find more that work on the Puma I'll add them here. If you have any that work on the Puma then please add them to the list

vinsell wrote:

I suspect that for Fuel pressure the reading unit of measure is PSI/100.

For Horsepower with MTH:000A00240000 it reachs at max 50 than with MTH:000A00170000 it reachs at max more than 115.

And what is EGR at idle? 100 means that EGR is completly closed I suspect.

Any idea or suggestion?

Vinicio,

good points as I should have listed them, I have now edited the original post to show values

The maximum fuel rail pressure for the Duratorq engine fitted to the Puma is 1600 Bar which is roughly 23206 PSI (1 Bar = 14.5 PSI) so PSI x100 seems a fair approximation remembering these values shown on the scangauge are historic (milliseconds) and approximate so shouldn't be taken for Gospel as to what the pressure is at any one time.

MTH:000A00170000 is for Petrol engines and not Diesels. Also the BHP shown is what the ECU thinks it is giving out to the power requested (A Dyno machine capable of reading all 4 wheels is the only way to get an accurate BHP/Torque output reading) and should only be used as a guide. I have had it up to 145 BHP in 5th gear at 60mph climbing a hill towing 2 tonnes, though I'm very sceptical that it is anywhere near reliable as even though my Defender is remapped the average gains for a remap are only about 30BHP and 80ft/lbs of Torque unless you go for a bigger intercooler and Hybrid Turbo that is....

The % for the EGR is 0% for fully closed up to 100% for fully open. The only time you should see 100% is when you are accelerating and at shut down when the EGR goes through the self clean cycle (5x chukka chukkas). At tickover it will range from 10%-15% and at cruise anywhere between 15% and 30%. The readings on the gauge will show 0.0 when closed and 100 when fully open. I see the main reason for having this gauge, is to rule out any running issues you suspect may be down to the EGR as this will either validate or rule out the EGR as the problem.
I have the Alive Tuning Atric remap fitted which shows the EGR at 0,0 the whole time the engine is running and the remap also cancels the self clean cycle. I replaced the remap with the original fuel file to check too see what readings I got yesterday so I could answer your post
If you have anything else you would like me to check, let me know Though not just now as when I got up this morning the Defender wasn't in the driveway Hopefully the missus took it to work as it was at the back of her car, and it was raining.

fekete wrote:

Thanks for all your help as well i now haven't had a MILL light since you helped me out

Glad to hear it Karlos Mind not to tell anyone I took out your MIL light bulb............. we will keep that little gem between ourselves....


HTH Brian.

Lorryman100 wrote:

vinsell wrote:

I suspect that for Fuel pressure the reading unit of measure is PSI/100.

For Horsepower with MTH:000A00240000 it reachs at max 50 than with MTH:000A00170000 it reachs at max more than 115.

And what is EGR at idle? 100 means that EGR is completly closed I suspect.

Any idea or suggestion?

Vinicio,

good points as I should have listed them, I have now edited the original post to show values

The maximum fuel rail pressure for the Duratorq engine fitted to the Puma is 1600 Bar which is roughly 23206 PSI (1 Bar = 14.5 PSI) so PSI x100 seems a fair approximation remembering these values shown on the scangauge are historic (milliseconds) and approximate so shouldn't be taken for Gospel as to what the pressure is at any one time.

MTH:000A00170000 is for Petrol engines and not Diesels. Also the BHP shown is what the ECU thinks it is giving out to the power requested (A Dyno machine capable of reading all 4 wheels is the only way to get an accurate BHP/Torque output reading) and should only be used as a guide. I have had it up to 145 BHP in 5th gear at 60mph climbing a hill towing 2 tonnes, though I'm very sceptical that it is anywhere near reliable as even though my Defender is remapped the average gains for a remap are only about 30BHP and 80ft/lbs of Torque unless you go for a bigger intercooler and Hybrid Turbo that is....

The % for the EGR is 0% for fully closed up to 100% for fully open. The only time you should see 100% is when you are accelerating and at shut down when the EGR goes through the self clean cycle (5x chukka chukkas). At tickover it will range from 10%-15% and at cruise anywhere between 15% and 30%. The readings on the gauge will show 0.0 when closed and 100 when fully open. I see the main reason for having this gauge, is to rule out any running issues you suspect may be down to the EGR as this will either validate or rule out the EGR as the problem.
I have the Alive Tuning Atric remap fitted which shows the EGR at 0,0 the whole time the engine is running and the remap also cancels the self clean cycle. I replaced the remap with the original fuel file to check too see what readings I got yesterday so I could answer your post
If you have anything else you would like me to check, let me know Though not just now as when I got up this morning the Defender wasn't in the driveway Hopefully the missus took it to work as it was at the back of her car, and it was raining.

fekete wrote:

Thanks for all your help as well i now haven't had a MILL light since you helped me out

Glad to hear it Karlos Mind not to tell anyone I took out your MIL light bulb............. we will keep that little gem between ourselves....


HTH Brian.

Lorryman100 wrote:

Vinicio,

If the EGR reads 100% this means the EGR is fully open , 0.0% means valve is closed and I confirmed this with both the nanocom and MSV2 on my Defender with the Alive Atric No EGR remap on.

These show the live data recorded on the MSV2 of my remapped defender and you can see from the 3 pictures that the EGR remains closed throughout the rev range showing a 0% reading. The scangauge x gauge also showed the same 0%. The valve is only ever open 100% when accelerating or when the self clean cycle works on the original OEM fuel file, I have tested it on both the original and remap version when I helped Gary at Alive with testing of the No EGR upgrade.


Click image to enlarge


Click image to enlarge


Click image to enlarge

I will have to re install the original fuel file to get the readings you are after to compare once I get my Defender back from the missus.

As to the fuel rail pressure, it is controlled to the optimum level working pressure of 1600 BAR. The 2000 BAR you quoted is for the Pressure limiting valve which opens at 2000 BAR to stop damage occurring to the fuel system through excessive pressure and is a one shot affair as it needs replacing afterwards because the valve can no longer be guaranteed leak-free. It will also induce a DTC and the engine will go into limp mode, also the complete fuel rail will need to be replaced as the limiting valve is not a serviceable item.


Click image to enlarge

If you got the reading of 180 FPr and think it is in Megapascals instead of PSI then that would give a reading of 26106 PSI or 1799.94 Bar almost 200Bar over the optimum pressure setting. Is your Defender remapped or does it sound clattery? Have you had DTC P1169 at any time? From memory I have not had that high a reading from mine the highest I have seen is 149 which is about 21610 PSI if it were 149 Megapascals. Though 149 x100 in PSI is only 14900 PSI.

So I think you are spot on with the measurement being in MPa for FPr instead of PSIx100 Once I get the defender back I will do some readings with the MSV and the scangauge to see if there are common readings. Though if you look again at picture one from the MSV2 readings you will see that at tickover (800rpm) that the MPa reading for the fuel rail pressure is only 22MPa compared to your 30MPa so maybe worth checking you installed the xgauge code for the FPr correctly incase that is throwing the readings for your defender. If you have a nanocom check the FPR at tickover to see if the readings compare with the scangauge. If I see my mate over the next couple of days I will plug the nanocom into his and get a pressure reading at idle just so we have a base line to work on incase one of the defenders has a problem

HTH Brian.

vinsell wrote:

Regarding EGR, You can be sure, when You push hard on throttle pedal EGR has to be closed because engine need fresh air!!! So I guess that 100 means completly closed. On the other hand at idle EGR has to be open.

So what you are saying is that BBS/Nanocom/Scangauge have got their gauges back to front? As the earlier posts pictures of the MSV2's live data show the EGR at 0%, which means you are saying, it is fully open all of the time? Strange as my Defender runs like a little sweetie, which is weird as it should be running like a bag of spanners because from what you are saying, the EGR is open all the time at 0% and closed at 100% I think I'll stick to my own interpretation of the data and respect yours

Lorryman100 wrote:

vinsell wrote:

Regarding EGR, You can be sure, when You push hard on throttle pedal EGR has to be closed because engine need fresh air!!! So I guess that 100 means completly closed. On the other hand at idle EGR has to be open.

So what you are saying is that BBS/Nanocom/Scangauge have got their gauges back to front? As the earlier posts pictures of the MSV2's live data show the EGR at 0%, which means you are saying, it is fully open all of the time? Strange as my Defender runs like a little sweetie, which is weird as it should be running like a bag of spanners because from what you are saying, the EGR is open all the time at 0% and closed at 100% I think I'll stick to my own interpretation of the data and respect yours

No Brian, I say that only scangougeII reading seems to be like that: 0 = fully open and 100 = fully closed. Please could You verify with scangouge?

Regarding FPr, this is reading at idle:


Click image to enlarge

and this is at max FPr:


Click image to enlarge

Ciao Vinicio https://google.com/+VinicioSelleri

vinsell wrote:

I say that only scangougeII reading seems to be like that: 0 = fully open and 100 = fully closed. Please could You verify with scangouge?

lorryman100 wrote:

I replaced the remap with the original fuel file to check too see what readings I got yesterday so I could answer your post

lorryman100 wrote:

The % for the EGR is 0% for fully closed up to 100% for fully open. The only time you should see 100% is when you are accelerating and at shut down when the EGR goes through the self clean cycle (5x chukka chukkas). At tickover it will range from 10%-15% and at cruise anywhere between 15% and 30%.

I did verify it at post No 4 The scangauge shows as above with the standard fuel map. And when the remap went back on it showed 0.0% as did the nanocom and MSV2 stating the EGR valve was closed.

HTH Brian.

Lorryman100 wrote:

vinsell wrote:

I say that only scangougeII reading seems to be like that: 0 = fully open and 100 = fully closed. Please could You verify with scangouge?

lorryman100 wrote:

I replaced the remap with the original fuel file to check too see what readings I got yesterday so I could answer your post

lorryman100 wrote:

The % for the EGR is 0% for fully closed up to 100% for fully open. The only time you should see 100% is when you are accelerating and at shut down when the EGR goes through the self clean cycle (5x chukka chukkas). At tickover it will range from 10%-15% and at cruise anywhere between 15% and 30%.

I did verify it at post No 4 The scangauge shows as above with the standard fuel map. And when the remap went back on it showed 0.0% as did the nanocom and MSV2 stating the EGR valve was closed.

HTH Brian.

Quote:

The Multiplier is a 2 byte value to multiply the data by. The resulting data must not be larger than 4 bytes and the upper bit must be 0 if the resulting value is not a negative value.
The Divider is a 2 byte value to divide the results from the multiply by.
The Add/Subtract adds the 2 byte value to the results from the multiply and divide. This is a signed value. If the upper bit is set, the value is the two's compliment negative value.
If the result has the highest bit set, the response will assume it is a two's compliment negative value and will show it as a negative value. Some care is required to avoid unintentionally setting or clearing this bit through an add/subtract operation and changing the sign of the displayed value. This can be done by scaling the value properly using the multiply and divide before doing the add/subtract.