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Trans swap - engine problem

 
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Old 02-20-2010, 06:28 PM
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Trans swap - engine problem

I'm pulling my hair out now. I recently did the auto to manual transmission swap. At first I did the wire bridge to run the car. Then I unsuccessfully tried to move the resistor to make my ecu manual. I then purchased an ECU from a different year prelude but same gen and had a Honda dealership attempt to reprogram it. For some reason Honda was unable to and the only thing the mechanic suggested was and I quote, "take the car to a tuner shop."

Right now the car runs and is drivable, but the engine misfires if I try to put to hard of a load on it and the idle surges. The car even backfires occasionally. I believe this is still an ECU issue, but I don't know what to do. Any suggestions would greatly help.
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Old 02-21-2010, 11:00 AM
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Re: Trans swap - engine problem

My boy jus swapped my tranny to a 5spd and motor to a JDM one and I have an idle issue as well as the code for misfires!!! That's due to the auto ECU. So if i'm not mistaken my friend suggested me to get a chipped p28 ECU and that would take care of the idel surging and misfires!!!

Try hitting up a tuner shop n buy a P28 n program that!!
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Old 02-21-2010, 11:24 AM
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Re: Trans swap - engine problem

I also just had the swap done and will be getting an ECU and reprogramming at a Honda dealership. As soon as I get it done and if I have any problems I'll let you know and ask them your question. Good luck and hope you figure it out.
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Old 02-21-2010, 11:49 AM
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Re: Trans swap - engine problem

Im sorry guys, not 2 thread jack as im sure the op may need 2 know this too. But what are the best places to try and get a p28 from?
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Old 02-21-2010, 12:15 PM
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Re: Trans swap - engine problem

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Originally Posted by blackbb6 View Post
Im sorry guys, not 2 thread jack as im sure the op may need 2 know this too. But what are the best places to try and get a p28 from?
These are some links from NYPOC guys was discussing the other day. See if this helps.

1) Phearable.net - Electronic Fuel Injection Tuning Solutions - Hondata, Neptune, Crome, Uberdata, Ectune, AEM, Honda Tuning, Widebands, Fuel Pumps, Intercoolers, Turbos, LS/VTEC, ECU Chipping, Chipped Ecus, P28

2)Xenocron Tuning: Honda, Acura Chipped VTEC ECUs for Hondata, Neptune, eCtune, Crome, TurboEdit, BRE, Ben Ogle's ROM Editor, Tuning, 1-Wire VTEC, DIY Tuning

3) or buy a base one and send it in for chipping:
Xenocron Tuning: Fuel Management and DIY Tuning Resource Center for Honda and Acura Performance - Hondata, eCtune, Neptune, Crome, TurboEdit, Uberdata
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Last edited by rc114; 02-21-2010 at 12:19 PM.
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