Random CPR Misfire (Solved)

Old 06-30-2018, 11:53 AM
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Default Random CPR Misfire (Solved)

Hi Everyone,

I built another car and decided to use the Hondata CPR kit this time around. I had a random misfire under partial throttle where the car would just jolt out of nowhere. After doing a lot of investigating, some people had success swapping out to another ECU board. I decided to try resocketing another ECU with a different board number, and it fixed the random miss. I just wanted to give people a heads up of the board number I used when I had the issue and the one that fixed it. I couldn't find anyone posting the board numbers they used to fix it, so I thought it would be helpful for people in the future that come across this issue. I only had P28s. Not sure if the same boards are used across LS and GSR ECUs, but I assume they would be.

Board with the issue:
P28 - 02D01720-1500

Board that fixed the issue:
P28 - 02D011F0-1500
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Old 07-01-2018, 03:31 AM
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Default Re: Random CPR Misfire (Solved)

There has to be an issue with the first 1720 board. Can't understand why the issue would be due to the board type. I bet if you had another 1720 board it would work fine...
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