Hi, I have problem with sth like "stop engine". It occure from time to time.
I try to make a log with this. I tryed to go to redline on second gear.
I use tephra ROM 5.1 , 88590015 and MBC. Rev limiter 8000. I signed places with red circle with problem.
TPS is 100% but engine stop for a while (like big break) and after this works again. Where could be a problem?

 

u may want to check your sparkplug. how long since you have changed it? how much boost are u running? u can try making your gap a bit smaller if u r running high boost and see if that helps. while u r logging go log your voltage as well.

 

loadcalc is dropping to 0.

do us a favour and log 2byte load AND IPW.

I reckon you maybe hitting boost cut?

and you are using 5.10 yeah (not 5.1)???

 

Also, you may be possibly resting your foot on the clutch getting ready to shift and causing the NLTS fuel cut to kick in.

 

yeah if he logs IPW then we can see if its a fuelcut issue (nlts/boost limit/whatever)

But since loadcalc is dropping to 0 (and load calc is based on ipw) then I can safetly assume that is the case :|

 

I think that is my problem too. Damn clutch switch.

 

Thank You for response. IPW is it "injection pulse width"?
I did 6k miles od spark plugs. Boost normaly max 23psi by MBC

 

Injector Pulse Width.

If it drops to 0 (while the problem occurs) then you know its a fuel cut of some kind.

In the Evo there are 2 main things that will cause this - NLTS or boost limit.

* Double check your boost limit table (to make sure you copied it accross)
* Make sure your top-clutch switch is ok, OR disable NLTS in my mods.

 

I thought It is boost cut and I lowered to max 20psi boost in this logs.
I never changed boost tables in ROM. Is it stock. Should I do sth?

It is "my error"



Is it normal rev limit cut

 

if you havn't touched your boost tables, then this is the problem.

U need to increase your "boost limit" table

 

Thanks, I will try disable NLTS , I think it is very possible that I hit clutch...

 

I've been helping behind the scenes, in the first pull he's hitting the rev limit at 8000rpm so ignore that one, it's normal. The boost limit is 300kpa and he's staying under that according to the logs.