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

idle air control valve

 
Old 07-28-2004, 06:38 AM
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Default idle air control valve

what should it act like with the idle air control valve wiring harness un hooked?


i've been having an over heating problem, and a crazy idle that rev's to 2200 and back down to 1000... and back and forth...

last night i changed the thermostat... and bled the air out of the system...

it still idled crazy.... i removed the air filter intake, and when i plug off the side hole in the TB with my finger, it idles fine....


i unplugged the harness to the idle speed control valve... and the idle got a lot lower and it stopped rev'ing up and down... but it still idles at 1300....and lopes to 1400>back to 1300>1400>1300

what should it act like with this wiring harness un hooked?
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Old 07-28-2004, 06:41 AM
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You'd proabably have erratic idling. Have you tried adjusting your Idle Screw to see if it would go down to 700-800 RPM range?
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Old 07-28-2004, 06:48 AM
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Default Re: (Dimi)

yes... i have screwed it all the way in with no luck... and tried screwing it out... and it only got higher...

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Old 07-28-2004, 06:51 AM
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Default Re: (geldingmakr)

Did you just hook this engine up or did it just start doing this?


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Old 07-28-2004, 08:06 AM
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Default Re: (murmur9)

it just started.... actually about 3 weeks ago... after i changed plugs and
cleaned the TB with some carb adn choke cleaner...

for about 2 weeks it started idling fast.. like 2000... then about a week ago
it began the reving up to 2200, and then falling to 800-1000... and reving to 2200 and falling.... and so on...

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Old 07-29-2004, 03:09 AM
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Default Re: (geldingmakr)

well i just realized last night... that my engine light does not come on when i first start the car to let me know it is working... so i very well could be throwing a cel...

is there a way to pull the cel codes with out having the dash light operating?
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Old 07-29-2004, 04:04 AM
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Default Re: (geldingmakr)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by geldingmakr &raquo;</TD></TR><TR><TD CLASS="quote">is there a way to pull the cel codes with out having the dash light operating?</TD></TR></TABLE>

I am thinking about buying another car and I don't want to get shafted by someone pulling a bulb to hide the CEL. I was just thinking about this same question the other day.

bump for my curiosity.
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Old 07-29-2004, 05:40 AM
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Default Re: (mct121)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by mct121 &raquo;</TD></TR><TR><TD CLASS="quote">

I am thinking about buying another car and I don't want to get shafted by someone pulling a bulb to hide the CEL. I was just thinking about this same question the other day.</TD></TR></TABLE>

wow, i never thought of that one.
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Old 08-04-2004, 09:11 AM
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look at this picture... and let me know if it helps diagnose my idling problem

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