Question about 1998 Honda Civic Coupe

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Adjustment on the idle air mixture screw on a 98 honda civic v-tech

Posted by Anonymous on

6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

  • 28 Answers

SOURCE: HOW DO I BLEED A COOLING SYSTEM 98 HONDA CIVIC

I believe the previous solution is confusing your AC system with your cooling system. Trapped air in the coolant is unlikely to occur anyway.
Check rubber hoses around the intake. Look for loose clamps or collapsed hoses that can leak air into the intake bypassing the throttle; a vacuum leak.
If OK, locate the engine temperature sensor for the engine control system. (Look in a parts catalog or service manual for the car). It may be defective. I'm assuming from your OP that the Engine light is not staying on. If it does stay on, there may be a trouble code saved in the engine control computer.

Posted on Oct 20, 2008

keemo68
  • 1263 Answers

SOURCE: Idle Adjustment Screw Location on 96 Civic

your idle can not be manually adjusted. it is controled by the ecm via the throttle position sensor on the throttle body(tps). you have to have a diagnostic scanner to interface with the ecm to adjust the idle. most service shops have this equipment

Posted on May 12, 2009

ourhowse
  • 2007 Answers

SOURCE: Honda civic stalls at intersections.

Probably need a new idle control sensor.

Posted on May 16, 2009

mythman
  • 84 Answers

SOURCE: Idle Adjustment

Your problem is related to the idle-up which kicks in when your a/c switches on.

Have this checked by an a/c technician.

Hope this helps.

Posted on Jul 01, 2009

SOURCE: low Idle

Air Idle Control. No screw

Posted on May 31, 2010

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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.

Sep 28, 2016 | Honda Cars & Trucks

1 Answer

Idle adjustment problem


If the idle mixture screw ( idle screw) does not make a difference it is because the idle circuit is blocked . Check the jets for dirt / water . Blow out the system with compressed air.. The mixture is already set by the time it gets to the screw and you are only increasing or decreasing the volume allowed into the engine . There will be no "O" ring but there should be a spring under the head of the screw.

Jan 20, 2014 | 1994 Honda Accord

2 Answers

High idle


turn idle screw down. this car may have an electric or vacume controlled idle. get a new motor for it. look on the throttle plate to make sure the cables are on correctly

Mar 15, 2013 | 1983 Honda Civic

2 Answers

Location of knock sensor on a 98 honda civic v -tech 4 cylinder


It is on the lower left side of the engine (side towards firewall - see picture).
Knock sensor failures are pretty rare, why are you looking for it?

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Jun 15, 2012 | 1998 Honda Civic

1 Answer

Hello I have a 1980 Ford Bronco 351 2bbl. Wondering if anyone knows which screws adjust what? Please if anyone has any ideas please respond. Thank you.


Here are some images that might help to assist you, and let me know if you require any further assistance.


Adjust the curb idle with the engine warmed up and the choke off.

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The air/fuel mixture screws should be adjusted with the engine warmed up and at normal idle speed, then turn each air/fuel mixture screw in one at a time until the engine just begins to mis-fire, then back the air/fuel mixture screw out 1-1/2 to 2 turns out a half a turn at a time until the engine idle is the smoothest. (your vehicle might have restrictor caps over the air/fuel mixture screws to limit the amount of adjustment)

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The choke adjustments;

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To adjust the vacuum tension pull on the choke pull-off:

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Adjust the fast idle screw to the proper RPM with the engine cold and the choke on.

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Jul 31, 2010 | 1981 Ford Bronco

1 Answer

Low Idle


Air Idle Control. No screw

May 31, 2010 | 1994 Honda Civic

2 Answers

98 honda civic auto revs up and down in netural and park


The idle air control valve may be faulty,its mounted on the back side of the upper intake plenum near the throttle body.It has three ten millimeter bolts that hold it in place and you'll have to remove the two coolant hoses located on the bottom of the valve.

Feb 06, 2010 | 1998 Honda Civic

1 Answer

Check eng light. 97 civic #p1381 low idle...450 or 500rpm help!?!


On some of these Honda's there a screw in the throttle housing, that's your mixture screw turn one way or the other till you get it where you want it, you could also try to readj. your timing, if that don't work you'll need to check your timing belt could have jump a tooth.Good Luck

Dec 12, 2009 | 1997 Honda Civic

3 Answers

Honda civic 2000- idle speed is high even in park or neutral


Check your coolant level. The Idle air control valve works with coolant in the system and will produce high idle it there is very little coolant. Also check to see if there are any vacuum lines disconnected. They can also cause the high idle.

Jun 06, 2009 | 2000 Honda Civic

1 Answer

96 honda civic d17 non v tech, stalls out at idle, can you set timing or idle speed or what?


Sounds like you may have a bad (IAC) IDLE AIR CONTROL VALVE.It controls how much air the motor gets at idle.hope this helps !

Apr 02, 2009 | 1996 Honda Civic

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1998 Honda Civic: 3 sensors reading "Not Ready" when I go to get inspection. O2, Catalyst & Evap...any suggestions on how to solve issue? My story: I bought this car a little over a week ago with no inspection and no indicator lights on. When I got it I took it right to get it inspected and found out I had to get the muffler fixed , which I did, then I went back and the sensors were reading not ready on o2, catalyst and evap. He tells me to drive it between 50 & 100 miles. I do and take it back and he checks the sensors and still not ready. So he says, "Let me reset your computer system, sometimes they might freeze up", but of course I have to drive it between 50 & 100 miles again, which I do and then I take it back and still not ready. So I take it to a shop to get a diagnostic test done. When I get there and tell them my story, he tells me that there's no point in doing the diagnostic because it won't tell us anything. He then tells me that I need to do a proper drive cycle. His mechanics can't seem to find one for my particular car so they say that there isn't one and I just need to drive it. So I do and then I go back and still not ready. Then he calls someone and they say I need to have a scanner put on it, which I do and the scanner doesn't show any computer issues or anything out of the ordinary, but this mechanic seems to have found the actual drive cycle that goes to my car. Yay, right? Wrong. Where am I suppose to be able to do this drive cycle in the Dallas area without interruption? Is there any other way to fix this issue besides the drive cycle or does anyone know of a place in the Dallas area I could do this drive cycle cause I really feel like banging my head up against a wall right about now. Please help.

Jan 19, 2013 | 1998 Honda Civic Coupe

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