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Honda Civic / Del Sol (1992 - 2000) EG/EH/EJ/EK/EM1 Discussion

Which ecu for my setup?

Old 04-12-2015, 05:15 PM
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Default Which ecu for my setup?

Alright, so I have a 97 Del Sol S. It currently has an OBD2 ECU that says "37820-P1Z-A02" on it. I'm assuming its what came in the car stock. Now, the previous owner swapped in a D16Z6 block, which I know is OBD1. It also has the head from a D16Y8 which I know is OBD2. So my question is, should I be using the P28 ecu with an OBD1 conversion harness, or the P2P ecu which is native to the D16Y8? Or would it not matter at all? I've read that some people had issues running the P28 on a D16Y8 motor, but thats not exactly what my setup is, so I was wondering what you guys thought. Thanks!
Old 04-12-2015, 05:22 PM
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Default Re: Which ecu for my setup?

find a obd2a p2p, do the ckf bypass trick and you should be good.
Old 04-12-2015, 05:23 PM
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Default Re: Which ecu for my setup?

Honestly find a 96-97 P28 OBD2A ECU. That way with emissions testing you'll connect to the scanner as well (OBD1 ECU's will not). The P2P may cause you to throw some fuel pressure sensor codes as it does in many peoples swapped Civics.
Old 04-12-2015, 06:05 PM
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Default Re: Which ecu for my setup?

Originally Posted by HondaPartsHero
Honestly find a 96-97 P28 OBD2A ECU. That way with emissions testing you'll connect to the scanner as well (OBD1 ECU's will not). The P2P may cause you to throw some fuel pressure sensor codes as it does in many peoples swapped Civics.
I don't need to worry with emissions as my car is over 15 years old so they don't plug it in. Aren't those ECU's really hard to find?
Old 04-12-2015, 06:19 PM
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Default Re: Which ecu for my setup?

Originally Posted by HondaPartsHero
Honestly find a 96-97 P28 OBD2A ECU. That way with emissions testing you'll connect to the scanner as well (OBD1 ECU's will not). The P2P may cause you to throw some fuel pressure sensor codes as it does in many peoples swapped Civics.
they had such a thing? Or are you talking about hondata's obd2a p28.

edit: yes, they had such a thing.

Last edited by tony_2018; 04-12-2015 at 07:18 PM.
Old 04-13-2015, 02:07 AM
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Default Re: Which ecu for my setup?

Originally Posted by FeRReTTi
I don't need to worry with emissions as my car is over 15 years old so they don't plug it in. Aren't those ECU's really hard to find?
I wouldn't call them rare but they aren't as common as P2P's. You could do an OBD1 P28 but I'm not sure if anyone makes a legit P2P basemap.
Old 04-13-2015, 05:31 PM
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Default Re: Which ecu for my setup?

Originally Posted by FeRReTTi
Alright, so I have a 97 Del Sol S. It currently has an OBD2 ECU that says "37820-P1Z-A02" on it. I'm assuming its what came in the car stock. Now, the previous owner swapped in a D16Z6 block, which I know is OBD1. It also has the head from a D16Y8 which I know is OBD2. So my question is, should I be using the P28 ecu with an OBD1 conversion harness, or the P2P ecu which is native to the D16Y8? Or would it not matter at all? I've read that some people had issues running the P28 on a D16Y8 motor, but thats not exactly what my setup is, so I was wondering what you guys thought. Thanks!
Rob?

Welcome to HT! :D
Old 04-20-2015, 09:35 PM
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Default Re: Which ecu for my setup?

Originally Posted by W95civicEXcoupe
Rob?

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Who is Rob?!
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