ducati 999r

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dyno
MegaSquirt Newbie
Posts: 5
Joined: Sat Jun 16, 2012 1:10 am

ducati 999r

Post by dyno »

i have made a thread before about noisy and some times no rpm signal i've sorted out this problem but now it give out spark some times and some times not and even when it gives a spark it it doesn't start i am using now 2.905 firmware and have these setup

trigger offset: 67.5
skip pluses: 3
predictor algorithm: last interval
time mask: 0.1
%mask: 10
next pulse tolerance
cranking: 75
after start: 75
normal running: 40
ignition input capture: rising edge
cranking trigger: trigger rise
coil charge theme: standard coil
spark output: going high inverted
trigger wheel teeth: 48
missing teeth: 2
skip teeth: 48
delay teeth: 9
offset for output 2 : 90
it's a 2 cylinder 90 degree apart
plz i am going mad it's been 3 months working on it and no result any help will be appreciated
best regards
grippo
MegaSquirt Guru
Posts: 921
Joined: Mon Feb 16, 2004 6:55 pm

Re: ducati 999r

Post by grippo »

The first thing I would do is switch to 3.78 code, this is best for trigger wheel setup because it has an auto trigger feature where you put in your configuration and it calculates everything for you. Then start cranking and if it doesn't start make a short datalog of 1 or 2 start tries. This plus the msq should give us the information needed to figure out your problem.
dyno
MegaSquirt Newbie
Posts: 5
Joined: Sat Jun 16, 2012 1:10 am

Re: ducati 999r

Post by dyno »

i am very very sorry for my late response here's the logs i've took today with v 3.78 firmware as recommended
Attachments
2012-08-29_00.35.06.msl
(46.17 KiB) Downloaded 80 times
2012-08-29_00.26.36.msl
(54.17 KiB) Downloaded 57 times
2012-08-29_00.11.24.msl
(70.86 KiB) Downloaded 64 times
grippo
MegaSquirt Guru
Posts: 921
Joined: Mon Feb 16, 2004 6:55 pm

Re: ducati 999r

Post by grippo »

I looked at the first and last of the logs. From them I can see that you are getting sync, sometimes briefly, sometimes for a decent interval. You can tell sync when the syncStat column goes to 3. The trig+/- counts up or down if you get extra teeth (electrical noise) or miss detecting teeth. You say you are getting some sparks, can you tell from a timing light if they are coming at the right time ?

You are losing the spark when you lose wheel sync, and that is done by the ecu to avoid sparking when you don't know where the engine is. You can be losing sync for many reasons. You can sometimes make the sync last longer by adjusting the cranking pulse tolerance. During starting the engine is very erratic and it is often the case that you lose sync, but once you spark the engine should speed up and smooth out. That is not happening, the rpm is staying at about 150 rpm. It is either firing at the wrong time or the spark is too weak or the fuel won't ignite. And there I see some big problems. Your fuel pulsewidths are 32 ms - and that is because the code limits it to 32 ms. I have never seen an engine use a PW of 32 ms, this is unrealistic. Second, the MAP reads 22 kPa, and this is also unrealistic, especially during cranking. The MAP sensor is either not hooked up properly or needs to be calibrated. It should read 100 with the engine not turning. The PW sounds like a data configuration problem, but I can't see anything in the datalog to account for it. I would reduce the ReqFuel and VE to lower the pulsewidth. Also check your cylinders aren't flooded and the spark plugs aren't soaked with fuel. This can ruin them.
dyno
MegaSquirt Newbie
Posts: 5
Joined: Sat Jun 16, 2012 1:10 am

Re: ducati 999r

Post by dyno »

thanks alot for u're response, this 32 ms i didn't meant to make it i think the req.fuel is working but the problem with the current ve i'll build up another msq, and about the map i am not using one i am using blended alpha-n as this engine run on itbs no manifold to calc. the vacuum as i understasnd the blended alpha-n is a way to give the ecu fake kpa but through tps not map or maybe i am wrong, i am confused i'll try another msq or do you think the ecu is damaged ????
plz i sent the last msq i want you to see it , i don't know but i feel like it contain alot of errors, so i'll work it out again with reading 3.7x firmware settings and see other projects, believe me i am going insane with this bike the customer need his bike and it made me work at it all night from 2 days and i was supposed to enter a speed challenge with a car that i've been working at for +6 months building (bmw e36 2800 m52 turbo it uses ms2 v3.78 also but it took 5 days only to start ) but this situation made me work at the car and the bike at the same night so went to sleep very exhausted and depressed from this bike and as a result i woke up after the race time by 3 hrs. :( :(

(PLEASE ANY HELP WILL BE APPRECIATED)


Best regards
Attachments
FIRST.msq
here's the msq
(11.9 KiB) Downloaded 83 times
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