Hondata

Hi. I'm new.

Ecu won't prime. S300 it's several years old.

It can take up to 15-20 mins before it primes when it's warm outside.


But when it's cold, it primes just fine.

I knw it's the ecu because when I swap it out with a stock ecu it primes ASAP.



Any ideas?

It could be the main large capacitor that needs to be replaced, but if that doens't fix it you should just install the s300 into a different ECU.

I dnt knw anything about tht. Is it easy to do?