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Idle air control valve

Old 02-10-2004, 01:09 AM
  #41  
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Default Re:Idle air control valve

...o2 sensor fixed the up and down idle in by buddies car....
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Old 02-18-2004, 11:42 PM
  #42  
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Default Re:Idle air control valve

*update* yup i finaly got my idle to normal again. that used iacv worked. you have no idea how happy i am no more of that reving bullshit.
so if any of you guys have the problem that i had. i would definatly recomened the (iacv) but make sure its for your exact engine :P
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Old 02-26-2004, 05:37 PM
  #43  
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Default Re:Idle air control valve

ok, My car will not idle under 1000 RPM (or my autometer tach is messed) it usualy stays at 1000, and 1500 when warming up. But on occasion the tach needle will shoot to 0and then back to 1000, and the idle will surge. Sometimes it's so bad that unless you keep your foot on the gas the car will die. other times it's fine and the car(89zc, 91 ecu) is completely normal
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Old 02-27-2004, 01:14 AM
  #44  
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Default Re:Idle air control valve

I forgot about this thread, ... i finally took pics of my jbwelded TB:





my preferred method of shitcanning the FIV working on many many cars...
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Old 02-29-2004, 11:07 PM
  #45  
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Default Re:Idle air control valve

ok, my idel problem is a little higher.Most poeple say theres jumps (500-1000, or 1200-down) On my car its stuck at 2800.I've takin off the ICVA and cleaned it with carb cleaner,but it still shoots to 2800. I also sprayed soapy water on all the VAC lines and didn't see no bubbles. Is there a chance its still the IACV or should I be looking somewhere else? This is in a 88'crx w/B16A
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Old 03-01-2004, 08:06 PM
  #46  
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Default Re:Idle air control valve

It's fixed. It was the FIV or FITV. Took it apart and cleaned it. Car idels fine now
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Old 03-04-2004, 03:56 PM
  #47  
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Default Re:Idle air control valve

toss your fiv's... nothing but trouble.
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Old 03-07-2004, 02:52 PM
  #48  
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Default Re:Idle air control valve

I finally fixed the idle on my CRX!

Symptoms: Stumlbed on idle alot, almost like it was mis-firing on cyl's. Engine's RPM never stayed constant. Just sounded like complete POOP!

Solution: Replaced ECU, Idles 100% better, and even sounds better when I rev it up.

More or less I took my multimeter (digital volt meter) and a honda service manual and followed the flow chart for diagnosis. Evetually got to where it said to substitute known ECU and that worked!

just thought I'd let you guys and gals know not to count out the ecu.
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Old 03-12-2004, 01:40 AM
  #49  
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Default Re:Idle air control valve

also, if the butterfly valve isn't closing and sealing all the way in the TB it will mess with your idle

had that prob a long time ago on my old rex. new tb fixed it right up
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Old 03-15-2004, 12:40 AM
  #50  
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Default Re:Idle air control valve

Today I finally got rid of my code. Just put the right plugs on the right sensors. It helps if you look at a diagram and what color wires go where. I got smart about it. But I still have an O2 code. one left. Maybe my car won't run like ---- when I get it fixed.
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