Honda Accord (1990 - 2002) Includes 1997 - 1999 Acura CL

how do I modify my air/fuel mixture?

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Old Feb 5, 2007 | 11:23 PM
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russianswty's Avatar
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Default how do I modify my air/fuel mixture?

If im running to rich, how do I modify my fuel/air mixture.

This is a 95 ex. With aem short ram intake, headers, megan (yes not mugen)
and full exhaust with a nice cat, muffler, resinator. Im running a msd ignition.

My filter was hella dirty, going to change that. Also cleaned my pcv.

Any more ideas about how to fix this problem.

(trying to pass emissions, failed by a few points)
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Old Feb 5, 2007 | 11:34 PM
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Default Re: how do I modify my air/fuel mixture? (russianswty)

You can't change it without at least some kind of piggyback ecu/fuel controller. Even then, it wouldn't be wise to do this on your own without a wideband O2 sensor. If your O2 sensor is starting to go bad, it could cause your car to run too rich without triggering a CEL.
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Old Feb 5, 2007 | 11:56 PM
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Default Re: how do I modify my air/fuel mixture? (philadd)

starting to go bad? I thought they either worked or didnt.
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Old Feb 6, 2007 | 01:21 AM
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Default Re: how do I modify my air/fuel mixture? (russianswty)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by russianswty &raquo;</TD></TR><TR><TD CLASS="quote">starting to go bad? I thought they either worked or didnt. </TD></TR></TABLE>

with age o2 sensors start responding more and more slowly. They usually do not trip a CEL. On newer cars you may or may not get a CEL
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Old Feb 6, 2007 | 11:01 AM
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Default Re: how do I modify my air/fuel mixture? (YeuEmMaiMai)

can anybody back this up? its a 95
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Old Feb 6, 2007 | 11:10 AM
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Default Re: how do I modify my air/fuel mixture? (russianswty)

Trust me... We know what we're talking about.

Now, we're not saying the O2 sensor is definitely the problem. We're simply stating that it is a possibility. And in my eyes, a strong possibility.
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Old Feb 6, 2007 | 11:19 AM
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Default Re: how do I modify my air/fuel mixture? (philadd)

what else can be a problem,

it also shakes/ bugges a little when im accelerating around 40/50 mph
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Old Feb 6, 2007 | 12:29 PM
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Default Re: how do I modify my air/fuel mixture? (russianswty)

Incorrect fuel mixture and/or incorrect timing can cause the bogging.
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Old Feb 6, 2007 | 05:34 PM
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Default Re: how do I modify my air/fuel mixture? (russianswty)

clean the EGR runners
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Old Feb 6, 2007 | 06:46 PM
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Default Re: how do I modify my air/fuel mixture? (hondadude)

what do you by the egr runners? the hoses running to the egr?
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Old Feb 6, 2007 | 11:58 PM
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Default Re: how do I modify my air/fuel mixture? (russianswty)

There's a link in the Accord FAQ for cleaning the EGR ports...
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