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ME221 ecu - full retard

 
Old 04-26-2017, 08:01 AM
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Default ME221 ecu - full retard

Hey,

I'm helping a guy here and the current state is the car "cuts" at around 5000rpm (NB05) 220-230kpa, current timing is 6deg...

Could the retard timing cause that ?
What would be same timing with 98RON fuel ?

Thanks
Elior
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Old 04-26-2017, 08:17 AM
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is it the Launch control activating? are you experiencing spark blowout? what ignition and how much boost?
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Old 04-26-2017, 08:24 AM
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Checking about the LC, spark blowout = misfire ?

R8 red cops and 220-230kpa boost (17-18psi)

LC is set at 4000... but when this "cuts" happen it is normal pull with no clutch engagement.

In the attched pic you can see the rpm drop at around 5500rpm with 7deg.
Attached Thumbnails ME221 ecu - full retard-capture.png  
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Old 04-26-2017, 08:37 AM
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Stock engine? Compression?
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Originally Posted by ninerwfo View Post
The “into to megasquirt thread” mentions that the MS3 basic has 5 inputs with built in pull up resistors - and I was just wondering why it would have so many, while the MS3Pro PnP has just 2 (with no pull ups?)
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Old 04-26-2017, 08:47 AM
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Manley rods, all stock
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Old 04-26-2017, 09:12 AM
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6°?!

I'd be running closer to 16...

might be one of the most retarded spark maps ive seen to date.
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Old 04-26-2017, 11:26 AM
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Definitely too retarded, however 220-230kPa with stock pistons isn't going to last long, even with rods.
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Originally Posted by ninerwfo View Post
The “into to megasquirt thread” mentions that the MS3 basic has 5 inputs with built in pull up resistors - and I was just wondering why it would have so many, while the MS3Pro PnP has just 2 (with no pull ups?)
MS Labs: Plug and Play Megasquirt ECUs for ANY 90-05 Miata (NA, NB1, NB2 w/VVT, MSM), including basemaps to get you started ASAP. PM me or email or details.
For support on MS Labs ECUs: Please email, be sure to include the unit's serial number and include a datalog and your current map.
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Old 04-26-2017, 11:28 AM
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Old 04-26-2017, 11:32 AM
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Post log and tune please
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Old 04-27-2017, 01:32 AM
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It is an ME221, I will post the files shortly.

The car came to me with this map and cuts at around 5500rpm, after tuning it yesterday I got it up to about 12deg at 210kpa no knock but the cuts came back after a couple of hours...
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Old 04-27-2017, 07:10 AM
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oh that explain everything.
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Old 04-27-2017, 02:03 PM
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Check injector duty.

They have a stupid hard coded fuel cut once the Injectors reach something like 90% duty cycle
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Old 04-27-2017, 03:08 PM
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never go full retard
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Old 04-27-2017, 05:17 PM
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Originally Posted by phil21191 View Post
Check injector duty.

They have a stupid hard coded fuel cut once the Injectors reach something like 90% duty cycle
The ME221 have fuel cut at 90% ?? really ?? well... it does show around 90%, we use FF640cc 210-220kpa, 90% is true ?
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Old 04-27-2017, 05:24 PM
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Originally Posted by elior77 View Post
The ME221 have fuel cut at 90% ?? really ?? well... it does show around 90%, we use FF640cc 210-220kpa, 90% is true ?
​​​​​​​You would have to ask the makers of the ME221 about that. As there is very little support for it outside of them.
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Old 04-27-2017, 05:25 PM
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Originally Posted by elior77 View Post
The ME221 have fuel cut at 90% ?? really ?? well... it does show around 90%, we use FF640cc 210-220kpa, 90% is true ?
Yea, there was something Motorsport Electronics posted somewhere on Facebook recently that mentioned it. It may be 95% it cuts at but it definately cuts fuel/spark at a hard coded injector pulse width
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Old 04-27-2017, 05:32 PM
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I opened 42 tickets in the last 18 months, some related to hardware (missing component, some fw bugs and some software and gui bugs, I must say that they responded to all of them and implemented most of my feedback - at first they questioned my tuning ability but at the end I saw that my ticket turned into "change log" on the never-ending beta 2.0 rc27.... fw.
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Old 04-27-2017, 05:36 PM
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Digging through the software (between the crashes) I found a setting called PW Limiter Mod. No idea what it means, but it might point to where your issue is.
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Old 04-27-2017, 05:49 PM
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Originally Posted by aidandj View Post
Digging through the software (between the crashes) I found a setting called PW Limiter Mod. No idea what it means, but it might point to where your issue is.
Can't find that, I use version 1.7.1
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Old 04-27-2017, 05:51 PM
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Its under Limiters.
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