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OBD2 to OBD1 Conversion

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Old Apr 27, 2005 | 04:51 PM
  #1  
baxter04's Avatar
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Default Code 9 after OBD2 to OBD1 conversion

I have a 98 Prelude and we converted over to OBD2. We have a code 9. Would the distributor have anything to do with this, we are using the OBD2 distributor, a P28 Ecu with Hondata.



Modified by baxter04 at 2:33 AM 4/28/2005
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Old Apr 27, 2005 | 06:04 PM
  #2  
SiRLudeVtec's Avatar
 
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Default Re: Code 9 after OBD2 to OBD1 conversion (baxter04)

You have a 98 and you converted to OBDII?

Hmm....i don't think you know what you're talking about....

Please rephrase....

Thanks - Management.
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Old Apr 27, 2005 | 06:35 PM
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Default Re: Code 9 after OBD2 to OBD1 conversion (SiRLudeVtec)

Im sure he meant that he converted from OBDII
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Old Apr 27, 2005 | 06:57 PM
  #4  
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Default Re: Code 9 after OBD2 to OBD1 conversion (SiRLudeVtec)

It was obviously a typo, Mr. Management. If you look at the Title, you should have figured it out.

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Old Apr 27, 2005 | 09:36 PM
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I wouldn't advise getting smart - if you would like help - anyway, get the code list from the H-T site and see what a code 9 is and list it here....i don't have mine with me, and i don't care to search.....report back what a code IX says and we'll go from there....


Thanks - Management.
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Old Apr 28, 2005 | 11:40 AM
  #6  
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Default

Yeap you need a OBDI distributor and inyectors and resistor box of a 92-95 prelude Vtec to work property with the car
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Old Apr 28, 2005 | 11:50 AM
  #7  
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Default Re: (Chynito_JDM)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Chynito_JDM &raquo;</TD></TR><TR><TD CLASS="quote">Yeap you need a OBDI distributor and inyectors and resistor box of a 92-95 prelude Vtec to work property with the car</TD></TR></TABLE>

No you don't. You can use an OBD2 distributor if you want to. If you use peak and hold injectors, then you need the resistor OBD1 box (not necessarily from a VTEC Prelude either).

Keith
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Old Apr 28, 2005 | 09:54 PM
  #8  
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Default Re: (Keith)

If I use the OBD2 distributor, what wiring do I need to add? It seems that the OBD2 distributor does not have a #1 cylinder sensor thus triggering a code 9 on the CEL. Much appreciated!
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Old Apr 28, 2005 | 10:43 PM
  #9  
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Default Re: (baxter04)

It's a straight swap in a 98 lude, the only thing you need is an OBDII&gt;I harness.
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Old Apr 28, 2005 | 10:59 PM
  #10  
john d
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Default Re: (Chynito_JDM)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Chynito_JDM &raquo;</TD></TR><TR><TD CLASS="quote">Yeap you need a OBDI distributor and inyectors and resistor box of a 92-95 prelude Vtec to work property with the car</TD></TR></TABLE>

ugh
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Old Apr 29, 2005 | 10:59 AM
  #11  
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Default Re: (Keith)

Do I need to add some wires or any wiring needed? Like I mentioned, I'm throwing a code 9 which is #1 cylinder position.

Thanks.
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Old Apr 29, 2005 | 11:32 AM
  #12  
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Default Re: (baxter04)

No, unless your harness is miswired. Is the original engine in the car?
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Old Apr 29, 2005 | 11:47 AM
  #13  
98TypeSH's Avatar
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Default Re: (sharkcohen)

you need to replace your dizz housing. When doing the swap from OBD2-OBD1 my car threw the same code, and went through the same nonsense.


SiRludevtec - since when are you the management ? you are not a forum moderator. stop being a ****** douchebag.
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Old Apr 29, 2005 | 01:18 PM
  #14  
Keith's Avatar
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Default Re: (baxter04)

Use your original OBD2 engine wire harness. Reuse your OBD2 distributor + coil pack, alternator and injectors if you want to. You'll also need to swap the oil pump housing and the CKP and TDC sensors. The knock sensor will need to be swapped if you don't want to splice anything (I did). Everything else should bolt right up. The motor itself aren't OBD1 or OBD2... you just have to swap a couple parts here and there.

Keith
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