Search found 3 matches

by na94
Mon Aug 12, 2019 12:23 pm
Forum: K-Pro / KManager
Topic: KPro 4 possible HF noise issue
Replies: 3
Views: 1688

Re: KPro 4 possible HF noise issue

I'm concerned about how we have the ECU mounted, so our next test is to dismount it, wrap it in some sort of material that will dampen most of the vibration, and test.
by na94
Sun Aug 11, 2019 1:31 pm
Forum: K-Pro / KManager
Topic: KPro 4 possible HF noise issue
Replies: 3
Views: 1688

Re: KPro 4 possible HF noise issue

Injector outputs:
Kmiata-HF-Noise-Injectors.PNG
Raw data log is attached.

Here is a video of the autocross lap. Sustained issue starts around 13s relative to the lap timer:

https://youtu.be/bAI3XGS16KA
by na94
Sun Aug 11, 2019 1:29 pm
Forum: K-Pro / KManager
Topic: KPro 4 possible HF noise issue
Replies: 3
Views: 1688

KPro 4 possible HF noise issue

We've been having an issue with out K24 swapped Miata running a KPro 4.

Under various conditions (seems somewhat random, but mostly noticeable in 2nd gear), we are experiencing an engine hesitation / misfire.

We have triple-checked fuel pressure, and that has been ruled out. This issue is either ...