Civic

[BlasterBob]

My daughter has a 2000 Honda Civic with only 80,000 miles. This car is in very good condition and runs great and quite snappy for a little 4 cylinder. Only problem is that when coming to a stop, it shudders and feels/ sounds like it is about to die because of low RPM?s. She called an automotive shop to attempt to get a ?ball park? figure on what setting up the idle would cost her. Mechanic told her that since it is fuel injected, there is no idle adjustment. Is that true? Of course, guy said it needs a tune up to correct the low rpm?s. Does this sound right. TIA for any reasonable/non-funny/serious responses or suggestions.[blaster]

[mpatch]

Check the trans fluid would be the first thing. Not the idle is not adjustable.

[BushMasterBoy]

I'd check air filter and plugs first. This forum suggest cleaning IAC (idle air control). Usually the IAC solenoid moves a bullet shaped plug in the throttle body controlling the idle. It gets dirty with blowby gases from emission hoses. Spray and brush it clean with carb cleaner. Link below...

https://www.civicforums.com/forums/217-mechanical-problems-vehicle-issues-fix-forum/336857-2000-civic-rough-idle-help.html

[Erni]

The idle is not adjustable by hand, but there is a idle control valve.
Google search for "2000 civic idle" and look at all the sugestions coming back. Seems to be a somewhat common problem, at least according to google hits. Looks to be a $100 part, may require the car to relearn idle.
Have her go to Autozone or equivalent and see if they can pull any obd2 codes.
Thats the best I can offer with the info you got.

[mpatch]

Does it idle fine when in gear? When you put it in gear does it kill or almost kill the engine?

[ChickNorris]

This might be wholly random but have you considered adding staybil to see if it solves the problem?


Worked for me.

[Irving]

Sounds like a loose vacuum hose to me.

[GilpinGuy]

Mass airflow sensor?

[ray1970]

Had a Honda with similar problem. Turned out to be a bad pcv valve. Basically what Irving said. Vacuum leak.

[MrPrena]

Mass airflow sensor?


I'd check air filter and plugs first. This forum suggest cleaning IAC (idle air control). Usually the IAC solenoid moves a bullet shaped plug in the throttle body controlling the idle. It gets dirty with blowby gases from emission hoses. Spray and brush it clean with carb cleaner. Link below...

https://www.civicforums.com/forums/217-mechanical-problems-vehicle-issues-fix-forum/336857-2000-civic-rough-idle-help.html


Check the trans fluid would be the first thing. Not the idle is not adjustable.


Sounds like a loose vacuum hose to me.


.

Go from least expensive to expensive
As people mentioned above and more....

First I would check and/or clean
1 MAF and throttle valvue cleaned. ~$5-7
2. Plug (if you suspect) $15ish
3. Vacuum hose (forgot the price for Hondas)
4. Transmission fluid. 3 HONDA bottle and do mini flush and put another 3 qt after 3mo. (recommended from older hondas)*
5. other stuff mentioned above or thread


* My sister purchased a 2000 accord w/ 70k for $600 from her boss around 2015. Her boss thought it was a bad transmission. Many times, it is wrong ATF fluid and drives weird. After 2 flushes (3qt at at time with proper OEM Honda fluid), it was perfect running shape.

[Great-Kazoo]

Throw a vacuum gauge on it and see what it's reading.

[The Extractor]

I had similar problems and cleaning the throttle plates fixed it.

[Duman]

All good suggestions.... though a car of that year needs some basic work, assuming the maintenance has been ignored.
After you fix the rough idle at stop, you'll need to check the plugs, wires, belts, hoses, radiator flush, EGR cleaning, timing belt change....all can be done at home.
With proper maintenance, you can get 300k+ out of that vehicle.

[OneGuy67]

My wife had a 2000 Honda Civic that did the same thing. Ended up selling it for a newer small SUV.

[BlasterBob]

Thanks for all the suggestions. Will pass them along to the daughter for her decision making. . Always receive great help/suggestions from my fellow members on THIS site. THANKS again.

[KS63]

Sounds like a vacuum leak which can be common with a vehicle of that age irregardless of mileage. Rubber hoses and grommets harden and lose their seal which equals a leak. This is probably also the cheapest $$ fix to DIY, but finding a vacuum leak these days is time consuming and takes patience is you don’t have a few specific tools. Good luck.