Honda Civic / Del Sol (1992 - 2000) EG/EH/EJ/EK/EM1 Discussion

boosted b16 air/fuel problemos

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Old Sep 7, 2006 | 10:06 AM
  #1  
w0ng_sta's Avatar
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From: McLean, VA
Default boosted b16 air/fuel problemos

So i recently boosted my b16, finally got a boostguage and wastegate etc are working fine. I have been unable to tune the car yet and as a result the basemap has me running extra rich. I unfortuantely dont have an A/F guage so i cant be more specific about my fuel curve. But I know im running rich; getting like 15 mpg sometimes closer to 10 .. also i was working on the car yesterday and it was idling and i noticed black chunks of **** in a spray pattern on the ground behind my tailpipe... not to mention the black cloud of smoke that follows me =[

While driving I dont hit it cuz im not tuned.. but when i try and drive above 3krpm the car hesitates like crazy.. starts to shake, and i often have to downshift to bypass the 2-4k rpm range. I thought itw as because my plugs were fouled.. which they were but i replaced them.

Running too rich = engine struggling maybe
drop in fuel pressure =?

So my real questino is.. if i put an aem fpr on would i be pumping more gas into the engine? or would it still be restricted by the ecu (hondata s200).

sorry i wrote a lot
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Old Sep 7, 2006 | 10:13 AM
  #2  
cambopheonix56's Avatar
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From: Iowa
Default Re: boosted b16 air/fuel problemos (w0ng_sta)

Get a tune asap.
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Old Sep 7, 2006 | 10:14 AM
  #3  
cambopheonix56's Avatar
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From: Iowa
Default Re: boosted b16 air/fuel problemos (cambopheonix56)

At the very least pm mtber here in h-t and have him burn a chip for you. Its better then nothing.
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Old Sep 7, 2006 | 10:18 AM
  #4  
WhiteOnRice's Avatar
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Default

Take the BOV out until you get it tuned. Your MAF sensor won't pick up on the 1 or 2 lbs you'll be boosting without a BOV.
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Old Sep 7, 2006 | 10:28 AM
  #5  
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From: Charlotte, NC
Default Re: boosted b16 air/fuel problemos (w0ng_sta)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by w0ng_sta &raquo;</TD></TR><TR><TD CLASS="quote">So i recently boosted my b16, finally got a boostguage and wastegate etc are working fine. I have been unable to tune the car yet and as a result the basemap has me running extra rich. I unfortuantely dont have an A/F guage so i cant be more specific about my fuel curve. But I know im running rich; getting like 15 mpg sometimes closer to 10 .. also i was working on the car yesterday and it was idling and i noticed black chunks of **** in a spray pattern on the ground behind my tailpipe... not to mention the black cloud of smoke that follows me =[

While driving I dont hit it cuz im not tuned.. but when i try and drive above 3krpm the car hesitates like crazy.. starts to shake, and i often have to downshift to bypass the 2-4k rpm range. I thought itw as because my plugs were fouled.. which they were but i replaced them.

Running too rich = engine struggling maybe
drop in fuel pressure =?

So my real questino is.. if i put an aem fpr on would i be pumping more gas into the engine? or would it still be restricted by the ecu (hondata s200).

sorry i wrote a lot</TD></TR></TABLE>

Well to answer your question, when installing a FPR, you can lower the amount of fuel pressure which in turn will lower the amount of fuel running through the injector each pulse.

I would suggest getting a B&M FPR(cheaper), and getting a tune asap. Also as said above, take your bov off. This will bypass the compressed air from the turbo.
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Old Sep 7, 2006 | 10:35 AM
  #6  
deckster333's Avatar
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From: Boston
Default Re: boosted b16 air/fuel problemos (mitsuman)

get a tune, dont mess with it, you might compound the problem, running rich is safe. Also make sure you hooked up your PCV correctly for turbo.
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