sensor spikes when datalogging

sam@hickshaven.com · Post by **sam@hickshaven.com** » Tue Nov 18, 2025 11:05 pm

The s300 gets sensor spikes when datalogging, I’ve checked all the ground and tried a new ecu still does the same

Post by **Spunkster** » Wed Nov 19, 2025 10:05 am

Are you using resistor or non-resistor type spark plugs?

sam@hickshaven.com · Post by **sam@hickshaven.com** » Wed Nov 19, 2025 10:25 am

Resister type

Post by **Spunkster** » Wed Nov 19, 2025 12:30 pm

Post the calibration and datalog showing the issue

sam@hickshaven.com · Post by **sam@hickshaven.com** » Wed Nov 19, 2025 9:54 pm

ERROR.s3d

And Im using the stock p75 base map

sam@hickshaven.com · Post by **sam@hickshaven.com** » Thu Nov 20, 2025 3:58 pm

sam@hickshaven.com wrote: Wed Nov 19, 2025 9:54 pm ERROR.s3d And Im using the stock p74 base map

Post by **Spunkster** » Thu Nov 20, 2025 4:01 pm

Who socketed the ECU?

sam@hickshaven.com · Post by **sam@hickshaven.com** » Thu Nov 20, 2025 4:19 pm

I did All the soldier joints look fine

Post by **Spunkster** » Thu Nov 20, 2025 4:48 pm

Have you tried this s300 on a known working ECU?

Post by **Spunkster** » Fri Nov 21, 2025 11:51 am

You should try the s300 on a known working ECU to see if it is the ECU or the s300.

sam@hickshaven.com · Post by **sam@hickshaven.com** » Sat Nov 22, 2025 9:05 pm

It’s the s300

sam@hickshaven.com · Post by **sam@hickshaven.com** » Sat Nov 22, 2025 9:30 pm

Is there anything you can guys can do about it?

Post by **Spunkster** » Mon Dec 01, 2025 2:39 pm

What is the serial number that is on the s300 board inside the ECU?

sam@hickshaven.com · Post by **sam@hickshaven.com** » Wed Dec 03, 2025 9:50 am

It’s 58820

Post by **Spunkster** » Wed Dec 03, 2025 12:16 pm

Post pictures of the soldering on the bottom of the ECU showing the areas that were soldered for the s300 socketing.

Hondata