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#1
08-14-2003, 09:03 AM
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d16a6 ecu
i got a dx motor, a crx si mpfi, si distributor, and my wire harness is changed to controll the mpfi. i just got a hold of a 91 crx si ecu and i put it in the other day and my car was hesitating from 1,000--3,000 rpm but then after 3,000 it just picked up. what do i got to do so that i can switch my dx ecu to a si ecu?
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Y LOOK FAST WHEN YOUR NOT????????? 
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#2
08-14-2003, 09:12 AM
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..what do you mean switch your dx ecu to a si ecu? like literally change something inside the ecu? that's not gonna happen... I'm sure there's some other reason for the bogging besides the ecu.. it could be alot of things..
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SOLD! 
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#3
08-14-2003, 09:15 AM
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naw i mean take out the dx ecu and put in the si ecu. i called this shop where i get my car worked on and he said that i can put it in but i dont know y it makes my car hesitate from 1-3k, so i just took it out and put back the dx ecu
__________________
Y LOOK FAST WHEN YOUR NOT?????????
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#5
08-14-2003, 09:38 AM
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WTF?
   yeah man...fill us in...I am surprised the car runs with MPFI wiring on the DX ECU.
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-Shawn '91 Civic DX sedan DOHC ZC, I,H,E, urethane bushings and mount inserts, rock chipped hood, some rust, stock steelies, nice comfy Integra seats, and the A/C works! What else could you want from an 18 year old car with 241,000 miles? Working on getting the Si tranny in now 
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#6
08-14-2003, 09:49 AM
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yeah man see i dont know how to do do all the wiring and shit so i sent my car to a performance shop here in orlando where they just work on honda and acura's and they changed my wiring harness to work with the mpfi. so i figured since i got the si mpfi i should be able to use the si ecu but maybe i will just take the computer to the shop and have them do something so it will work right.
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Y LOOK FAST WHEN YOUR NOT?????????
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#7
08-14-2003, 12:27 PM
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IMPOSSIBLE.
If you did the wiring right, there is NO WAY IN HELL a DX ECU will run an MPFI setup. I know, because i've tried it. The DX ECU makes the car run on two cylinders and will sound like TOTAL ASS.
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#8
08-14-2003, 01:19 PM
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exactly
Yeah...that is what I was thinking, cuz the DX ECU will only fire two of the 4 injectors...
Here is a link to the DPFI to MPFI wiring...maybe you can double check your shop's work. http://tech.hybridgarage.com/tech/4g...-zc-wiring.htm
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-Shawn '91 Civic DX sedan DOHC ZC, I,H,E, urethane bushings and mount inserts, rock chipped hood, some rust, stock steelies, nice comfy Integra seats, and the A/C works! What else could you want from an 18 year old car with 241,000 miles? Working on getting the Si tranny in now
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