Honda/Acura Tech Honda tech discussion.

help TB swap crazy ass idle

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Old Feb 27, 2002 | 07:28 PM
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Sayien
 
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ok here i go my little cousin has a 90HF crx. I gave him my CAI from my 91 Si crx well the differance in the size of the CAI and stock intake was like a good inch. so what we do is i put my old bored out Si TB on to his HF manifold. everything bolted up liike it was ment to be there.I was able to put the HF TB inside the bored out SI TB. ok so everything is bolted up and we start the car. the idle is so out of wak it sounds like a shot as rotary. so i get the idea of putting in my SI ecu. so i did this and the idle stop going up and down but its at like 3000 at idel. so iam thinking its the throdle cable but it has slack in it and when i tightin it th eidle goes higher. what could be wrong with it?!?
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Old Feb 27, 2002 | 07:29 PM
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idle screw... must adjust...
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Old Feb 27, 2002 | 07:34 PM
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Could be...
- Left a vacuum line disconnected on the TB
- Gasket leak or forgot to put it on
- TB screw
- Cable too tight (should be able to hear the stop screw smake against the TB when you open/close the TB plate)
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Old Feb 27, 2002 | 08:06 PM
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Sayien
 
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the gasket was the stock one on the HF the tps appears to be the same
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Old Feb 27, 2002 | 08:12 PM
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after i pushed the shit out of it around the block it started to go up and down again. i tripple checked all the hoses to
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Old Feb 27, 2002 | 09:24 PM
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Originally posted by "Someone"

Originally posted by Mr Self Destruct
remove intake with motor running place finger over the hole that is just in front of the throttle plate. If the idle stabilizes your fast idle thermo valve has gone bad. Remove and block off or replace with known good part.
pimp you da man! ill try that
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