I've searched but all the info is people going from OBD0 to OBD1 so it's backwards from what I am looking for.

I have an OBD1 Prelude but some of the injectors where leaking. So I took injectors from an OBD0 Lude but the car now seems like it's mis-firing.

My question:
Can I use an OBD0 injector on an OBD1 car by merely replacing my leaking OBD1 injector or are they not compatible?

My Lude owns me right now! Please help me out!

 

Looking at these posts, I don't think I can mix and match them...

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by truent &raquo;</TD></TR><TR><TD CLASS="quote">obd1 injectors.. no resistor box.
obd0 injectors.. resistor box..
either ecu will run either way.. all it depends on is the injector.

now research knowing that and you should be able to figure it out</TD></TR></TABLE>

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by TravSi &raquo;</TD></TR><TR><TD CLASS="quote">opeak/hold injectors which is what obd0 hondas run
saturated which is what is on the obd1 honda</TD></TR></TABLE>


Modified by Daily Interlude at 2:35 PM 2/1/2005

 

That is correct OBD0 injectors require a resisor box to run correctly

 

So what if I run all OBD0 injectors...just add the box? I'd have rewiring to do though, huh?

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Daily Interlude &raquo;</TD></TR><TR><TD CLASS="quote">So what if I run all OBD0 injectors...just add the box? I'd have rewiring to do though, huh?</TD></TR></TABLE>

Yes you have to rewire them, it is not very hard to do though, but if I were you I would just try to find some OBD1 injectors

 

Can I just swap the o-rings between injectors? Are they removable? That's all that was wrong...they leaked because of a flat o-ring that wasn't sealing well enough in the fuel rail...

 

injectors wont work, get some H22 290cc OBD1 injectors, otherwise your reinventing the wheel, youll have to add the resistor box and such.

 

You got some I can try/have?

As I said in the IM, the Honda dealer parts guy said the part numbers where the same. But he could have been confused as the OBD0 B20 engine was available in 91 as well as the OBD1 B21.

 

Its not always a matter of which version of OBD you have, civics and integras use peak and hold injectors until 92 then they switched to Saturated type. Preludes used peak and hold through 96, 97+ have saturated injectors.

Basically if you have a resistor box get 92-96 prelude injectors if no resistor box get 97+ prelude injectors.

 

OK, I have injectors from a 91 and an 88 so they should be the same then?

Where did you get this info from (that through 96 is peak and hold vs 97+ is saturated)?

 

I guess it was the injectors. Swapped the o rings onto the original b21 injectors and she's running fine!