MPFI problems, did search...bogging and a CEL 14
OK so me and my brother who is a mechanic did mpfi swap(we used a complete conversion harness off ebay which made the whole thing much easier)...we had everything but the si fuel line(we ended up using the dx fuel fitting in the si fuel rail and the dx fuel line) does anyone think this could cause any problems because the fuel flows out from a different angle? my idle fp is 28psi...
the only other thing we had to fabricate was a throttle cable holder; my brother fabbed up one out of the dx one.
anyway I had a code 14, 20...once we switched to the green plug to the eacv i only had the code 14 which seems weird...
also heres my quick crappy diagram of the differences between the fittings for the fuel lines

anyway the main problem is bogging at 2k but if u giv it more gas its ok but its undrivable...
someone suggested it could b fuel related...
could it be a bad resistor box?
I know code 14 is EACV and I know I have vacuum leaks, as we had to leave the shop and we didnt have a diagram for it, we have it now though and that will be corrected this weekend.
But I dont think the vacuum leaks could cause this violent bogging at 2k??? or could they?
any suggestions or help would be appreciated...
also heres the original topic on d-series.com http://www.d-series.org/forums...36225
Modified by cheap4dr at 12:57 AM 2/7/2006
the only other thing we had to fabricate was a throttle cable holder; my brother fabbed up one out of the dx one.
anyway I had a code 14, 20...once we switched to the green plug to the eacv i only had the code 14 which seems weird...
also heres my quick crappy diagram of the differences between the fittings for the fuel lines

anyway the main problem is bogging at 2k but if u giv it more gas its ok but its undrivable...
someone suggested it could b fuel related...
could it be a bad resistor box?
I know code 14 is EACV and I know I have vacuum leaks, as we had to leave the shop and we didnt have a diagram for it, we have it now though and that will be corrected this weekend.
But I dont think the vacuum leaks could cause this violent bogging at 2k??? or could they?
any suggestions or help would be appreciated...
also heres the original topic on d-series.com http://www.d-series.org/forums...36225
Modified by cheap4dr at 12:57 AM 2/7/2006
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by efgarage »</TD></TR><TR><TD CLASS="quote">weird my cars been doing this same thing since my mpfi swap,but i dont have any mil lights on,bogs at about 2k then its fine.let me know what ya find.</TD></TR></TABLE>
do u think it could b the resistor box? did u jsut do the swap?
do u think it could b the resistor box? did u jsut do the swap?
Nice picture, and nice catch. Seems like I was the only one that had this problem before, had to drill a hole in the fuel line so it looked like the SI one.
i used my dpfi dx fuel line with my b18b and it ran fine, when i changed it to a ls fuel line, i didnt notice any gain in power
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by civickiller »</TD></TR><TR><TD CLASS="quote">i used my dpfi dx fuel line with my b18b and it ran fine, when i changed it to a ls fuel line, i didnt notice any gain in power</TD></TR></TABLE>
well thats good...same sort of difference in fittings as my diagram?
well thats good...same sort of difference in fittings as my diagram?
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<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Skidtron89 »</TD></TR><TR><TD CLASS="quote">These pictures are priceless. I don't know why but they are very funny to me</TD></TR></TABLE>
what type of post is that?...
what type of post is that?...
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by efgarage »</TD></TR><TR><TD CLASS="quote">did my swap about 6 weeks ago,i kinda think my problem is to much fuel,checked my plugs and they were black after only 3 weeks.</TD></TR></TABLE>
r u sure everythings wired correctly?...caus I think mine is (gonna double check this weekend)...
caus I think mines running too rich too...
r u sure everythings wired correctly?...caus I think mine is (gonna double check this weekend)...
caus I think mines running too rich too...
my knowledgable friend who I just got in touch with told me=
The resistor box would not be the problem. Here's a list of things I think It could be.
1. A big vacuum leak at your throttle body or Intake manifold.
2. A dirty EAVC sensor
So i will check this over the WE and let everyone know...
note it ended up being the EACV wasnt even connected and caused lots of problems; once we located the correct wire we ran it and it was fine
the timing was fine too, we were jsut reading it wrong becaus we were using a timing lgiht gun
and also MPFI IS THE BEST CHEAP SWAP OUT THERE IN HONDA WORLD
the whole thing cost me about 250 bones
Modified by crooked muffler at 12:10 AM 3/17/2007
The resistor box would not be the problem. Here's a list of things I think It could be.
1. A big vacuum leak at your throttle body or Intake manifold.
2. A dirty EAVC sensor
So i will check this over the WE and let everyone know...
note it ended up being the EACV wasnt even connected and caused lots of problems; once we located the correct wire we ran it and it was fine
the timing was fine too, we were jsut reading it wrong becaus we were using a timing lgiht gun
and also MPFI IS THE BEST CHEAP SWAP OUT THERE IN HONDA WORLD
the whole thing cost me about 250 bones
Modified by crooked muffler at 12:10 AM 3/17/2007
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