Print Page - Spark CUT

Title: Spark CUT
Post by: Matus on May 04, 2018, 11:58:17 AM

HI,

I am experiencing issue similar like misfire but I found that it is "on purpose" ECU by some reason is doing 100% Spark Cut for unknown reason, in random RPM.
I am able to simulate conditions like you have lifted car spinning engine on 5 gear and doing load by brake. It would be considered as low-medium load.

(http://www.vems.hu/files/MembersPage/Matus/Spark%20CUT.png)

Title: Re: Spark CUT
Post by: Kamuto on May 04, 2018, 02:49:29 PM

Quote from: Matus on May 04, 2018, 11:58:17 AM
HI,

I am experiencing issue similar like misfire but I found that it is "on purpose" ECU by some reason is doing 100% Spark Cut for unknown reason, in random RPM.
I am able to simulate conditions like you have lifted car spinning engine on 5 gear and doing load by brake. It would be considered as low-medium load.

(http://www.vems.hu/files/MembersPage/Matus/Spark%20CUT.png)

do you think, would it be easier to understand what's causing it if you uploaded some log? :D

Title: Re: Spark CUT
Post by: Matus on May 04, 2018, 02:58:42 PM

True :D

http://www.vems.hu/files/MembersPage/Matus/v3.3_u011504-2018.05.01-14.31.11.vemslog (http://www.vems.hu/files/MembersPage/Matus/v3.3_u011504-2018.05.01-14.31.11.vemslog)

Title: Re: Spark CUT
Post by: Matus on May 07, 2018, 01:45:43 PM

Any ideas guys ?

For example I didn't found " spark cut" except REV limiter and Launch control and didn't seen that also within that "calculation" view...
Are reasons/functions for it documented somewhere ?

Title: Re: Spark CUT
Post by: MWfire on May 07, 2018, 06:41:39 PM

Quote from: Matus on May 07, 2018, 01:45:43 PM
Any ideas guys ?

For example I didn't found " spark cut" except REV limiter and Launch control and didn't seen that also within that "calculation" view...
Are reasons/functions for it documented somewhere ?

Anti lag(ALS) is on.

Title: Re: Spark CUT
Post by: Matus on May 15, 2018, 04:45:47 PM

Cause has been found.

Anytrim Redline RPM Trim for Lambda target 60% TPS and Lambda target 90% TPS was used. In meaning of engine protection. However it was doing these cuts arround 15% of the TPS so it is not configured as I think.

Title: Re: Spark CUT
Post by: Kamuto on May 16, 2018, 01:06:19 AM

Quote from: Matus on May 15, 2018, 04:45:47 PM
Cause has been found.

Anytrim Redline RPM Trim for Lambda target 60% TPS and Lambda target 90% TPS was used. In meaning of engine protection. However it was doing these cuts arround 15% of the TPS so it is not configured as I think.

read help file, 60 means not over 60% but bit different :) I would like it to be working different too :)

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Technical => Ignition => Topic started by: Matus on May 04, 2018, 11:58:17 AM