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stump the chump! 90 RS missing under 2400 RPM

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Old Jun 13, 2004 | 08:39 PM
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Default stump the chump! 90 RS missing under 2400 RPM

so I've got this 90 RS. Just bought it the other day. It's got this annoying thing - once it's warm, under 2400 rpm if I give it anything more than just a little throttle, it bogs and feels like it's running on only three cylinders. As soon as it hits 2400 or so, it just takes off like a rocket. in an attempt to undo this little problem, this weekend I did New timing belt, water pump plugs and valves adjusted. Service records indicate new Rotor, cap, wires 6 months ago. but the problem persists. Could it be they put in crappy wires? they're belkins. Also, maybe throttle body gunking up?
If you can crack this one, you will live on in the Integra Wizard hall of fame.


Modified by bigmax at 5:14 PM 6/14/2004
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Old Jun 13, 2004 | 08:50 PM
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Default Re: stump the chump! 90 RS missing under 2400 RPM (bigmax)

A couple potential fixes. Spark plug wires, fuel filter, injectors. Change the plug wires and fuel filter and run some injector cleaner through it. Could also be a faulty o2 sensor. Yes even if there is no check light.
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Old Jun 14, 2004 | 02:44 PM
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Default Re: stump the chump! 90 RS missing under 2400 RPM (Sack Master)

I just put the OEM wires in it today and the problem is gone. Like night and day.
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Old Jun 14, 2004 | 02:50 PM
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Default

samething happen to me with my 91 ls 1 of the spark plug wires juss cracked...it was cylinder 1 and it would juss bog under 3k rpms but after that it's all good
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Old Jun 14, 2004 | 02:54 PM
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..::91TEG-G2::..'s Avatar
 
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Default Re: stump the chump! 90 RS missing under 2400 RPM (bigmax)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by bigmax &raquo;</TD></TR><TR><TD CLASS="quote">I just put the OEM wires in it today and the problem is gone. Like night and day. </TD></TR></TABLE>

wonder why it was that simple.. anyone care to share why? i thought bigger wires helped the spark.. which help the combustion cycle in the chambers better...
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Old Jun 14, 2004 | 10:46 PM
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Default Re: stump the chump! 90 RS missing under 2400 RPM (..::91TEG-G2::..)

Does this make me an integra wizard hall of famer?

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by ..::91TEG-G2::.. &raquo;</TD></TR><TR><TD CLASS="quote">

wonder why it was that simple.. anyone care to share why? i thought bigger wires helped the spark.. which help the combustion cycle in the chambers better...</TD></TR></TABLE>
Bigger wires don't increase the spark very much at all. An 8mm wire is every bit as good as a 10.9mm wire. What matters most is the resistance. You aren't going to find anything much better than 50 ohms per foot. But the key is finding one that won't interfere with your radio and still perform that way. When a car is at lower RPMS like sub 3000 you get a spark for each cylinder fire. After that voltage is just constant to the cap and you won't notice the misfire anywhere near as bad. Injectors work the same way. More power to them and more constant. Which is why a clogged injector usually feels ok at high rpms but stumbles at low rpms.
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Old Jun 20, 2004 | 02:01 AM
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Default Re: stump the chump! 90 RS missing under 2400 RPM (Sack Master)

If a connector/terminal thing (you know the gold metal part that sticks out at the end of your spark plug wires on the distributor end) was cracked cause this missing?
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Old Jun 20, 2004 | 04:22 AM
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E-brake or Handbrake's Avatar
 
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Default Re: stump the chump! 90 RS missing under 2400 RPM (tianporn)

I see this thread right AFTER I started my thread....I'm such a dope.

https://honda-tech.com/zerothread?id=900936

But more suggestions would be cool
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