96' del Sol SI Manual trans.
USDM p28 OBDII ECU


Going to be boosted soon and I'm looking into the Hondata s300. Do i need an OBDI ecu for the Hondata? Or can I chip my OBDII and use an adapter.

No experience chipping ecu's- please be kind .

 

As stated on Hondata's own website, it must be a OBD-1 ECU. You will need the appropriate jumper conversion harness as well to go from an OBD-2 ECU to an OBD-1 ECU.

https://www.hondata.com/s300

 

Thank you for your response.

I read the whole Hondata site and that was what confused me. So I'm good to go as long as I have an OBDI ecu and the conversion harness, understood.
Close thread

 

EFI Beginner Guide explains everything too :-)

 

Wow, that is a powerful resource. Thank you for sharing. After perusing that site, I think I'm going to order a s300 from there. Hopefully I can find an OBD1 P28 at the junk yard.

 

No such creature.

 

Not sure what you mean. I use "II" instead of the number "2". Looks better IMO, but I guess I SHOULD use "2"

 

No that's not the problem. The P28 is an obd1 ecu only. You either have a P28 or something obd2. Not both.

 

You're mistaken, the '96 del Sol SI (D16Y8) has an OBD2 P28. I'm telling you. There's a shroud of mystery whether or not P28's can be OBD2, but I assure you, I have an OBD2 P28.

 

You're correct. I missed the Del Sol part. It was an oddball with its own ecu.