Hey, I work a lot on customer cars with emu classic and black. To test and learn about the emu pro, I put one in my Volvo 740 turbo and I quite happy with the pro. But there is one thing I can’t sorted out: If I roll down to a crossroad and press the clutch and let the rpm reaches idle, everything …

Hi, I am having a similar problem for quite a while now. I have a DBW setup with PID airflow control. When slowly changing gears the idle strategy kicks in and stays on. Until accelerator is pressed again. This means fuel is injected and I get big flames. Also the PID reduces airflow to minimum valu…

Hi, I have also reported this a couple of times and am still waiting for a fix. Did you guys find any workaround?

If I understand your example correctly, the issue occurs during engine braking—when you’re using the engine to slow the car while it’s still in gear. If that’s the case, what do you have your overrun settings configured to? I’d be interested in taking a look at a data log if you’re willing to post o…

Hi, We will be releasing a new version of EMU PRO next week. It has changes to the idle strategy, like margins for PIDs and deactivation above a certain RPM. It should solve all of the existing issues with idle in EMU PRO. We tested multiple problematic scenarios. Driving on idle under load (hill…

Hi bravo 685, this is not the problem. The problem is that once idle is active the only deactivation strategy is the accelerator. So when changing gears slowly without blipping the idle strategy will be active at for example 2500 rpm and try to correct to target idle rpm. When releasing the cluth th…

Idle deactivation trigger

EMU PRO

mkuklis_ECUMASTER June 30, 2026, 11:19am 7

We released an update with multiple changes to the idle system. It should solve all the issues we knew about. If you still have problems with idle in any situation, please let us know.

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Idle deactivation trigger

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