01-05 Honda Civic Idle Air Control Valve (P0505)
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- เผยแพร่เมื่อ 14 ต.ค. 2024
- Showing you how easy it is to replace or clean an Idle air control valve. You can clean this sensor in a lot of different cars. Most of the time these sensors do not just go bad. Carbon buildup seems to be the main cause to this issue. You will experience a very high idle.
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Four years later and you're still helping people. I seriously appreciate this; I couldn't figure out which screw I was missing for my airbox (it was the one around the throttle body) and I needed to clean my IAC as well; so this killed all birds in the cage with one big boulder. Thanks man.
Thank you very much for this video. I had just cleaned the EGR passages on my high mileage vehicle. They were almost totally clogged with carbon. My very inexpensive scan tool that I used for emissions just showed an EGR code. I just purchased a HF Zurich ZR-13 scan tool and it gives much more information. Because of your help I can easily fix this.
Thanks for the excellent video - very easy to follow along and it was an easy fix. my son had to get to work and it's his car so we didn't even replace the gasket; we just carefully cleaned it up. I was surprised it didn't even need to prime; it fired right up and popped up to a steady 900 RPM. Thanks again for posting
definitely appreciate the video! my idle has been dropping out and couldn't figure out why, I'll give this a shot sometime
Thanks for your video I did exactly what you did and cleaned up the control valve. now it's like new again thank you
Thank you, that was very thorough.
Thanks so much for your effort making this very helpful video.
What problem does that IAC cause? Thank you for. Your. Video and. Your time ..
Went through 100 videos until I found this 1 perfect thanks!!!
Glad it helped
@@JCAUTOMOTIVE4444 still need help getting all the plastic out filter cover and stuff
@@liveandletlive2894 I believe theres a total of 3 screws on the filter box attached to the throttle and the other filter box shares the top 2 screws but has another 2 towards the front .
@@JCAUTOMOTIVE4444 thanks!
Thanks for the video….do you have a video replacing the intake gasket?
Oh cool thank you for this video my question is 2005 Honda Civic has been sitting up for a couple years siphon the gas out replace fuel pump still does not start I can put fuel in the carburetor and it will is there an inline filter or what could it be if you could help it would be appreciated thank you very much Isaac
Whats symptoms were you having that made you change that part?
The same exact part on Amazon with the same part number etc is 40 dollars as opposed to 100 at O'Reilly's
alternator also affect the idle when the AC in ON..maybe the alterantor is most likely going BAd replace it with higher amps alterantor
Check all the grounding wires first. A bad ground can cause issues similar to alternator or IAC.
When you put it back in do you have perform ant specific procedure with the scan tool to get the sensor working properly?
Good video! Thank you!
Hey so my car got flooded 2 weeks ago and I’ve been trying to save it. After a lot of drying and cleaning connections, so far the only code the car is throwing is p1519 (IACV circuit malfunction). Anything else I should look at besides cleaning or replacing IACV?
Possibly pin fitment or possible wiring issue is all I can think of. I’d have to check alldata to see what other possible things it could be
@@JCAUTOMOTIVE4444 Thanks so much for your reply! Cleaning the connections with contact cleaner and replacing IACV cleared the code for me
would taking a egr off of a motor that comes with a egr an putting a non egr thermostat housing i blew my d17a1 that came in my 01 civic lx would that throw a code for this i didnt have a check engine or could something be upplugged i never had a isssue with the motor its a jdm motor swap i had swap the egr housing to pass smog than had a check engine light start no over heating or just lil idil like u said but never took this trottle off liek u did just took the air take to get to the egr throstate housing bolts
My idle sits at 2k and the revs bounce while rolling in neutral, it’s also flat on power, garage apparently cleaned this already, what should I do??
My Civic 2004 EP3 3dr (185k) has no problem to start, but after 3-4 min it almost stalls, sometimes stalls, pushing on throttle won’t respond, rpm goes from 500-2000 by itself, then it drops and repeats this till the engine reaches the normal working temperature. It comes only when the engine is warming. This issue appeared in winter only and now after 40k it happens also in summer. Any suggestions will be really welcoming :)
Any check engine codes? Almost sounds like a drive by wire throttle but I can’t remember if those have electronic throttle body. If not maybe a idle air control valve
@@JCAUTOMOTIVE4444 Yes the engine check is On but l don’t have a computer to find out the code. I’ve cleaned the IACV from carbon debris but perhaps it should be replaced or just the IACV gasket.
@@JCAUTOMOTIVE4444 The throttle body is not electric.
Yea probably needs replacing now. What’s codes showed up? If you know
Thanks for video
I did all that I even did transmission solenoid. BUT MY RPM IS STILL ON 1000. THANKS IN ADVANCE
A P0505 code can be set by a couple of other reasons. I just fixed my 99 civic with the same code but it had a vacuum leak. according to alldata a p0505 can be caused by throttle body clogged port, intake manifold gasket leak, intake air hose leak, vacuum leak, ect sensor incorrect output.
In this video it just happened to be a dirty IAC Valve.
@@JCAUTOMOTIVE4444 THANK YOU for taking the time 🙏
@@JCAUTOMOTIVE4444 Wow Your Seriously Amazing! Wow You Just Broke All That Down So Wonderfully. Man I’m Going To Subcribe Because How Beautiful You Just Broke The What Could Be The Cause Of The P0505 Code 🙏🏼
so mine has been randomly spit and sputtering at idle and almost dieing, should I look into this or you think its something else?
If it has a check engine light I would start by seeing what code it is. I don’t think this would help something that runs that bad
@@JCAUTOMOTIVE4444 No check engine light on but a couple months ago I had to replace the camshaft position sensor, thinking it may be related to that. Thanks man
That could very well be it.
Can I clean it this way for P0511 for Idle air control circuit? Just swapped a motor out and this code came up with a rough idle when you push the accelerator
It's worth a try. Also I worked alongside a mastech tech and one day he was having that issue on a car that came in. He tapped the sensor with a 3/8 extension and a hammer. He hit it until the idle corrected. I would give that a shot too
Mine has p0505 and a very low idle. I just replaced the IACV and the problem persists as well as the code... what do I do
I know this is very late but if you didn't use an oem part that could very well have been why it persisted. I've had aftermarket sensors and parts that were brand new, not work right out of the package with these civics. I've learned always go oem for sensitive parts like this
Great video but why doesn't it show how you put it back together to completion? I'm struggling to get the air filter housing back on. Any suggestions?
wish i could help. i dont exactly know what youre struggling on. i would maybe say loosen the clamp more and push it down hard or even lube up the the outer end of the throttle body
For future reference whoever sees this, the rubber fitting should go on the box first for easier reinstallation. Take the top half of the air box off and put the rubber seal back in; then put the whole assembly back on
When you rip the whole assembly box out, the rubber seal typically stays stuck to the throttle body when it’s meant to be inside the box.
I have a 2003 civic EX and when I turn on my car after letting it cool down for 20 minutes or more, the rpms will drop very low almost likes it's going to shut off, it's the worst when the AC is on, it also does that when AC is off, but once engine is fully warmed up, no more idle issue
good job
Hi dude, I'm facing a little issue with my honda civic 2002 i.e car drops rpm on idle when in D and AC is on. Is it something related to IAC VALVE? I have already cleaned my throttle body but the problem is still there and no check engine light! Advice needed.
It's normal for RPM to drop a little with AC on, with these cars. The engine is tiny so when you turn on the AC it takes alot of power from such a small engine. Most 4 cylinder cars do it but...... it also depends how much it drops and it also can't be fluctuating high and low constantly. You will know right away when the idle air control valve has a problem because the RPM will go up and down constantly. It is very annoying and usually when the check engine light finally sets the rpm will be staying put around 1500 RPM at a complete stop.
@@JCAUTOMOTIVE4444 Actually, after turning on the AC in D mode the rpm drops to almost 600 to 650, engine slightly hesitates. But there is no problem in acceleration. Car runs smoothly. Only it annoys in idling,seems like the engine is going to shut off. Only when AC is on.
Sounds more like a huge power drain issue? Any battery light? Get your battery tested see it its holding up. If not get a multimeter, turn on lights, AC full blast and see what voltage your alternator is producing. It could be alot of different things but yes that is too low of rpm
There's no battery light nothing. But yes, that is possible that alternator might be going bad. I'll let it be checked by the technician and revert back to you. Thank you very much for your response 👍
No problem let me know what ends up happening.
Do I have to drain the coolant?
Nope. A little bit will comes out though
Where is the fast idle thermo valve on the d17y2?
what happened with that code afterwards
I erased it after the fix. It never came back. passed emissions/smog test and then sold it.
Could this cause the car to limit the RPMs to 4000
Probably not
Lol it's a toyota gasket for a honda
I thought that was odd too
Its not a Toyota gasket. Its a Mahle gasket made for Toyota. The IACV is made by Denso. Toyota has an interest/shares in Denso.
I move the steering wheel and the RPM goes UP pass 1000
That's because the engine is compensating for the power steering pump. That's normal.
A idle air control vale is literally like $40
And a can of cleaner is $4.