pt6 or p14 ecu?

[hovo1788]

hey guys i have a 93 accord ex with an h23 swap. i just took the ecu cover off to find out its a pt6. should i get a p14?

thanks

-steve

[HondaFan81]

It would only make sense, look for the P14 from a 92-96 Prelude Si.

You buy this vehicle with swap already done?

[deevergote]

It will run on the PT6, as I'm sure you've already learned... but it won't run properly. Driving it regularly on that ECU may cause damage. Get a P14 ASAP...

or if you have a capable dyno tuner in your area that is familar with the H23, you can get a P06 ECU and have it modified and tuned... but if you're nearly stock, you really don't need to worry about that.

[hovo1788]

to honda fan yes i bought it like that.

to deev. i already just bought the p14 but the connectors dont line up. what should i do? also the car is completly stock. what do i need to run the p14? is there a wiring thread?


thanks for all the feedback guys!!

[deevergote]

The connectors should line up. Be sure you have an OBD1 ECU. I would assume it's an OBD2 ECU, because the PT6 is ONLY OBD1... if that's plugged in, then your harness wasn't converted.

[hovo1788]

i was looking at the pt6 & the p14. the pt6 has 2 rows of pins. while the p14 has 3 rows. does that mean the p14 i picked up was obdII?

[deevergote]

http://www.hondata.com/techecuid.html

[hovo1788]

awesome thanks a lot deev. i have an obd2 ecu. ill go pick up a obd1 ecu. if i switch to the p14 how will my car run?

[Tippey764]

awesome thanks a lot deev. i have an obd2 ecu. ill go pick up a obd1 ecu. if i switch to the p14 how will my car run?

Properly?

[deevergote]

Assuming the engine is still healthy, and all your sensors are functional... it will run as it is supposed to run. The ECU doesn't know that it's not in a Prelude... it simply controls the engine. The P14 is made for that engine.

[hovo1788]

one thing in worried about is the knock sensor.i dont know if its connected. do h23's use a knock sensor?

[deevergote]

Yes, they do.

[hovo1788]

sorry for all the questions. is there a difference between an auto p14 and a 5-spd p14? thanks

[Granite CB7]

Yes, there is a diff. between auto and manual. For manual Accords and Preludes, you can run auto or manual ecu's. For auto's, I'm not sure if you can do the same. But auto ecu's I believe are mapped differently to shift smoother, manual ecu's are more simple. I would suggest getting the proper ecu for your setup. Maybe someone could chime in w/ an auto using a manual ecu, if that's even possible Also, you know how to read the #'s correct? Above A50 is auto, anything less than A50 (usually around A00-A11) is manual.

[deevergote]

I've heard a few people say that the ECU doesn't matter, since the TCU controls the transmission... but I have yet to hear that from someone that is really an expert in such things. Getting the proper ECU would be the best option.