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Author Topic: The Volvo ME7 thread:  (Read 1363560 times)
s60rawr
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« Reply #2790 on: January 23, 2025, 07:37:59 AM »

Im using 10 beta. seems .net6 breaks things with canbus communication. Thats what im thinking anyways.

I also use Volvo Checksum monitor and manually check files mainly as precaution.

Make sure you flash etc at the right canbus speed too depending on software. Says it on openmoose website.
Mine uses 250 other is 500.

atm 04 and older support is "broken" will be brought back
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There is a free flash suite in progres
http://openmoose.net/downloads.php

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DWTS
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« Reply #2791 on: January 23, 2025, 07:51:12 AM »

Open your bin file in a hex editor or tunerpro and its Hex viewer and Look around line 18520 you should see the software number in the right hand column.

Just above it usually has the Words Volvo No Administrator so its pretty easy to find. Then someone may be able to work out Def files if any available.

I didnt think any was for mine but the Guru of Volvo Me7 was very nice and shared it. Since then Ive worked out a few more my self.


My original one is 20NCHJ, havent found anything for that yet.
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DWTS
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« Reply #2792 on: January 23, 2025, 07:53:04 AM »

Isnt it 3bar stock fuel pressure on non R models? My 16t 2.4t engine is saying 300+hp on logs
the s60 t5/v70II t5 pre facelift cars all have fixed 3.8bar fuel pressure
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DWTS
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« Reply #2793 on: January 23, 2025, 08:03:13 AM »

Message me, I'll find all basic maps for you but you will need winols instead of tunerpro

Hi, I've sent a email to your gmail address. And thanks allready for helping.
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s60rawr
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« Reply #2794 on: January 23, 2025, 08:20:28 AM »

the s60 t5/v70II t5 pre facelift cars all have fixed 3.8bar fuel pressure

correct
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There is a free flash suite in progres
http://openmoose.net/downloads.php

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Dannyhaddon
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« Reply #2795 on: January 23, 2025, 09:47:01 AM »

the s60 t5/v70II t5 pre facelift cars all have fixed 3.8bar fuel pressure

But evolve said his 2.4t has 3.8fp stock
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DWTS
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« Reply #2796 on: January 23, 2025, 11:53:56 AM »

But evolve said his 2.4t has 3.8fp stock

I normally try to avoid the 83mm blocks have no clue what they normally have.
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evolve
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« Reply #2797 on: January 23, 2025, 02:29:22 PM »

Sory DWTS,  for got the previous posts where software id was found.

I read pre 99 car p80s had 3bar and 00 on had 3.8 bar.

I Installed a 3bar when I got it and since had troubles with fueling Idle was usually around +14 but stfts would shoot high under load. Then went to white 380cc injectors and it was good again but stfts would still go high but more under high load.

Now with the 3.8bar Idle stfts are spot on but slowly creep high when car is idling for a around 20seconds or more. but under load its good. So it is most likely the fuel pump.

I could try getting a new hanger and fit the walbro 250. This 350 is made for v8s drag cars etc. Baught it for the s40 that will have a return system.
« Last Edit: January 23, 2025, 02:36:12 PM by evolve » Logged
SparkyR
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« Reply #2798 on: January 23, 2025, 04:58:30 PM »

Your fuel pump will make negligible difference to your fuel trims unless it is pushing through the fpr.  You can also get a get an adjustable fpr on some of the older cars not sure if yours fits this bill. But I would ensure your tvub and krkte matches your injectors and fuel pressure because this will tremendously effect the trims.  Also don’t forget this pressure is plus atmospheric pressure when reading the injectors data
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2005 S60R m66, Xona Rotor 7864, turbosmart 45mm wastegate, 1300cc injectors
evolve
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« Reply #2799 on: January 23, 2025, 06:06:08 PM »

Thanks.

I have a GFB 3port regulator sitting in cupboard that can be used as 2 port. it wont fit the bosh / audi style adjustable FPR
Im at sea level, I used the Volvo KRKTE calculator. LTFTs stay at .79 under load and idle. its just the stfts at idle. It got better when adjusting TVUB slightly.
Ill refine it till its right. But if keeps creaping ill change FPR setup. I wouldnt mind changing the push on fittings to push lock fittings anyways.

Edit:
Just uploaded what I did for burble and it did the trick very suttle not loud at all.
With STFTS noticed it getting loud exhaust side under bonnet. Prob just need to tighten up EGT, and wideband sensors and check all studs as all new.
« Last Edit: January 23, 2025, 06:29:23 PM by evolve » Logged
SparkyR
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« Reply #2800 on: January 23, 2025, 06:13:10 PM »

Usually I never have to adjust tvub from what is found in the datasheet with injectors as long as the injectors are decent. Some come with universal sheets and these need to be thrown away. 


Also if you have greens some greens aren’t the same as a standard Volvo green.  I remember seeing this in the past from Daniel
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2005 S60R m66, Xona Rotor 7864, turbosmart 45mm wastegate, 1300cc injectors
evolve
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« Reply #2801 on: January 23, 2025, 06:39:56 PM »

Yeah these are from Bosch Motorsports. 0280155968.

STFTS where all over the place untill I adjusted TVUB. FKKVS just cleaned it up a bit more.0

https://www.bosch-motorsport-shop.com.au/453cc-min-ev6-injector?srsltid=AfmBOorWeOBBfxkkWVSvy0SsfPNMOC44ESGuTQfP81tgjKXg3dZpHUQS

 Volume    453cc/min = 310g/min = 41lb/hr @ 3bar
 Spray pattern    Twin Cone
 Body Length    Long
 Nozzle    Regular Tip
 Resistance    12 ohm
 Connector    Jetronic
 E85 Compatible    Yes

Edit, tightened up Downpipe nuts as just a tad loose. Now fine hovers between +4 to -3 % So when have time Ill torque again properly.



« Last Edit: January 23, 2025, 09:04:30 PM by evolve » Logged
keichi
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« Reply #2802 on: January 24, 2025, 03:23:43 AM »

Yeah these are from Bosch Motorsports. 0280155968.

So those are stock P2 R cars injectors.
Don't "reinvent the wheel" just use Volvo R data for TVUB

8,0    10,0    12,0    14,0     16,0
1,512  1,000   0,637   0,416   0,317


As for KRKTE - No need for any fancy KRKTE "calculators" but whatever Wink
For 2.4engine with stock "browns" (0280155831) upgraded to greens KRKTE is 0,07111.

I would suggest to keep proper values in the tune and fix the car not other way around Smiley
But sometimes its probably easier to fix/hide mechanical issues with the tune Smiley
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DWTS
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« Reply #2803 on: January 24, 2025, 10:48:54 AM »

Your fuel pump will make negligible difference to your fuel trims unless it is pushing through the fpr.  You can also get a get an adjustable fpr on some of the older cars not sure if yours fits this bill. But I would ensure your tvub and krkte matches your injectors and fuel pressure because this will tremendously effect the trims.  Also don’t forget this pressure is plus atmospheric pressure when reading the injectors data

Well there's actually a very big change a higher capacity pump will raise the idle fuel pressure by alot because the fuel pressure regulator cant return enough fuel then wilst theres almost no fuel injected, if so that will get better under higher loads when more fuel is injected and thus less return capacity is needed from the fpr.
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DWTS
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« Reply #2804 on: January 24, 2025, 10:50:08 AM »

Usually I never have to adjust tvub from what is found in the datasheet with injectors as long as the injectors are decent. Some come with universal sheets and these need to be thrown away. 


Also if you have greens some greens aren’t the same as a standard Volvo green.  I remember seeing this in the past from Daniel

Yeah there different one's available and theres a shitload of really bad knock offs on the market which are absolutely shit.
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