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Old 06-03-2014, 11:04 PM   #15
TitaniumTT
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Read whole post before proceeding nest time with the car...

As Peter said, you've got to troubleshoot it first before proceeding. It could be a variety of things ranging from some shitty trigger signals to poor tuning, horribly setup ECU parameters etc etc etc.....

If it's Peters old link ecu and still has the same cal file on it, if he was running the same ID1000/2000 setup than the cal file likely isn't to blame. If it's been changed then all bets are off. And what I would do is first scope it and make sure it's getting a clean trigger signal. I don't know Links well enough to know if they've got a counter like the older helltechs but if it does, it would be a perfect 12:1 ratio. If it isn't, than it's getting some funky trigger signals.


Quote:
Originally Posted by Mitchocalypse View Post
Base fuel pressure is 43 psi but can easily change it
You may need to.... you may want to trim the pressure back until it's idling in the high 12's and then try revving it.... although I would change the plugs first to brandy new ones.


Quote:
Originally Posted by Mitchocalypse View Post
I'll get another video revving it on Friday so you can see. That is if the power fc doesn't magically make it work
PFC's generally make things run worse

Quote:
Originally Posted by Mitchocalypse View Post
I know you say 11 is too fat - I believe you, don't worry, but that is the target AFR according to the map so I don't know what to tell you there
Turn the closed loop off if you can and see what happens...

Quote:
Originally Posted by Mitchocalypse View Post
I'm not sure the *exact* AFR when it starts cutting out but basically it revs normal, hits 2k, and you can hear there is absolutely no firing, the momentum the engine has caries the rpm up to about 2500 but you can hear it audibly cut out at about 2k, like there is nothing going on past there. So the AFR past 2k basically maxes out my meter at like 19+ cause it's just pumping a bunch I air through the engine at that point.
Well, the same thing can happen if it's way too rich to fire. Doesn't matter how much fuel is in there if it's not getting lit it's just going to pump air as well.... hence my earlier comment about a false lean reading

Quote:
Originally Posted by Mitchocalypse View Post
I'll upgrade ignition later cut a guy a break


Quote:
Originally Posted by Mitchocalypse View Post
Whenever I pulled them it was running on 1 rotor, so I'd sometimes have to pull them to deflood so .. Quite wet. Since it's been firing on 2 rotors I haven't really pulled them. All I an tell you is that I have idled the car for right around 15 seconds, killed it, and cranked it right back over and it starts no problem. Does the lack of flooding tell you anything you might want to know?
Once the plugs wet foul once, they're general garbage unless you've got a really badass media cleaner.

Quote:
Originally Posted by Mitchocalypse View Post
Like I know you're suggesting that there's too much fuel but is that something that could cause the 2k thing or is that another issue in itself? I think I need to just see if the ecu is cutting fuel or spark as a first step
I agree, and also that the ecu is getting a clean trigger signal.
After that it could just be the plugs are shit and there's too much fuel and it's cutting out.... could be as simple as that. I had an issue a month ago where my car wouldn't idle... it would start just fine but as it would idle down it would keep dropping and just die. I thought maybe the TPS was out of whack, a whole bunch of things and it turned out to be nothing more than shitty plugs... same bur9eq's but a year old...


Quote:
Originally Posted by Mitchocalypse View Post
I will check all that, I do remember testing the sensors as per FSM and they were right in spec.

BTW, I'm not able to do anything on the car during the week so that's why I can't just give you straight up answers on a lot of this. Gotta wait till Friday
Gotcha
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