Question about 1997 Honda Civic

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Changing Idle Control Valve on 1997 Honda Civic 1.4i auto 3 door hatch

I have ordered an "idle control valve" for the above car as the engine is continually "hunting" while at operating temp while in neutral. My question is:- how do you change it and where is it located on the fuel injection system?
Is it an easy job and how long would it normally take assuming I have all teh correct tools?

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  • Coort Jan 01, 2009

    many thanks for your response. i used your method and replaced it successfully............only to find, most regrettably, that the problem was the slow running valve which was replaced next and did indeed cure the problem!

    however your methodology was spot on - thanks again

    coort

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I have a 1997 Civic DX. It looks to me that the IACV is located between the engine valve cover and throat of the air intake or throttle body. Not near the fire wall. This model has 4 screws connecting it to the throttle body.


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Posted on Jan 22, 2013

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The Idle control valve is located on the throttle body, follow the tube that goes from your air filter box to the top of the engine, that's the throttle body. If i remember right it is located on the back side of it but when you receive your part you will be able to match it up to make sure your on the right path. It is generally a very simple fix with 3 screws I believe, I think they are hex head screws. With the correct tools it shouldn't take more than 15 Min's to change.

Posted on Dec 29, 2008

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Honda crx with auto transmission idles roughly in drive or reverse. AC on makes it worse.


There are two coolant lines that connect to this Honda IAC to help quiet the operation of the valve. The part number for a OBDI 1992-1995 Honda Civic Idle Air Controller is 36450-P28-A01. While the OBDII version of this valve is 36450-P2J-J01, and the two units are very similar in design and execution. The EACV or Electronic Air Control Valve is a big part of maintaining your Honda Civic idle. If you've checked your IAC and your Honda still suffers from a surging idle, check your FITV. This Honda Idle Air Controller or IAC is under the throttle body and incorporates into the throttle body passages o locate your Fast Idle Thermo Valve, remove the intake snorkel and locate the FITV beneath your throttle body opening. If your SOHC engine is still having problems, check our guides above on how to check your FITV as well as your IAC. To check this operation, remove your air intake pipe and use your fingers to plug the passages in the lower left hand corner of your throttle body opening. If your idle surge does not go away, unplug your Idle Air Control valve and if that stops your idle surge, your IACV must be replaced. Follow our instructions on how to replace your Honda Civic Idle Air Control Valve. Need to raise your Honda Civic idle or having problems maintaining idle? You can adjust the base idle by unscrewing or screwing in the Idle screw on your throttle body. This screw allows air to bleed into the passages on the backside of your throttle body, as shown above. To learn how to adjust Honda Civic idle speed, you will not need to remove anything. With a standard screwdriver, simply locate your throttle body and Idle screw.

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Why a 1997 honda civic engine surges at idle


which engine, options there are many.???
cant fix any engine, until you know what it there.
a civic not Tacoma. as posted.
see end for engines ????

surge 101 (running gasoline?)
it caused by 2 things. (and lots of reasons)
1: engine running lean. all engines lean surge. fix that first.
hint use a scan tool see live data........?????
2: ISC system is faulting, the idle speed controller can fail for #1
or for itself. (it can stick) clean in.


wiki list of engines. (which one???????????????)_
The sixth generation featured engine options were available along with their first Natural Gas Powered Civic, the GX. From 1996-2000 the Civic was sold under the CX, DX, EX, EXR, HX, LX, and for Canada, SE, and Si trims; all base models were made with 1.6L engines. The EX-CX are all SOHC (Honda D engine). The CX, DX, and LX all have D16y7 non-VTEC engines; whereas the EX has a D16y8 VTEC, and the HX has D16y5 VTEC-E. The USDM Si and Canadian SiR came with a DOHC (B16A2 VTEC). The first civic SI coupe EM1 was introduced in 1999 until 2000. Europe saw a DOHC 1.6 VTI hatch and sedan and a DOHC 1.8VTI engine was available for the Domani related five-door liftback and esta
end quote.
I CAN NOT GUESS>!!!

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1 Answer

I have a 99 civic 4 door and the engine surges at idle


hot engine or cold, or both???????????????????
surging or hunting idle is complex but for sure the ECU has lost control of idle speed , there are 2 macro reasons, (vast causes)
1: ISC is stuck (in non SAE terms, the idle speed control valve ) is stuck.
2: engine is missing cause the ISC to GO NUTS trying to control
idle and can not.. the 50 reasons, , have list ask.
we do tests to find out if either or both the above are bad.
do you want tests, or guessing>???

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1 Answer

2002 honda civic code p0505


Error Code: P0505
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Idle Speed Control (ISC) System - Malfunction
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-Wiring harness.
-Idle speed control (ISC) actuator/Idle air control valve (IAC) valve.
-Throttle valve tight/sticking.
-Engine control module (ECM).

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1994 honda civic 1.5 16v stalling after pressing accelerator from idle


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