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My Car Has A High Idle Rpm - Car Talk - Nairaland

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My Car Has A High Idle Rpm by youngice(m): 11:47am On Jan 01, 2017
I have a 2001 Honda Civic, it's a manual tranny, I observed of late that when the car is on neutral or when the clutch is engaged the car idles between 1500-2100 rpm, now I have have to be shifting anyhow to avoid over-revving
Abeg I need help

Cc
gazzuzz
Kingreign
Kashif
Nurey
autojosh

1 Like

Re: My Car Has A High Idle Rpm by ironheart(m): 11:56am On Jan 01, 2017
Check intake manifold for leak
Re: My Car Has A High Idle Rpm by nurey(m): 11:58am On Jan 01, 2017
This same car a 2000 model dey my house now, kazeemised and throwing codes, I don't even know where to start.

From your problem, I think you have a throttle body issue. But if your check engine light is on, scan the car, then fix the codes if it has to do with power train. But you can clean the throttle body and let's see how far.

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Re: My Car Has A High Idle Rpm by youngice(m): 1:18pm On Jan 01, 2017
nurey:
This same car a 2000 model dey my house now, kazeemised and throwing codes, I don't even know where to start.

From your problem, I think you have a throttle body issue. But if your check engine light is on, scan the car, then fix the codes if it has to do with power train. But you can clean the throttle body and let's see how far.
I'll ask the mechanic to check that out ASAP
ironheart:
Check intake manifold for leak
please what is the kazeemized terminology for this

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Re: My Car Has A High Idle Rpm by GAZZUZZ(m): 1:44pm On Jan 01, 2017
youngice:
I have a 2001 Honda Civic, it's a manual tranny, I observed of late that when the car is on neutral or when the clutch is engaged the car idles between 1500-2100 rpm, now I have have to be shifting anyhow to avoid over-revving
Abeg I need help

Cc
gazzuzz
Kingreign
Kashif
Nurey
autojosh

Very simple, manual throttle body, idle speed valve stuck by excessive carbon buildup.

Solution: remove throttle body, remove idle speed valve, buy a can of carb cleaner cleanout all the carbon, get a little engine oil, lubricate the idle valve bearing, put it back together, and she will run like new.(It's a she right?)

It could also be a large intake leak, but for that you will hear a loud hissing sound from the intake side.

Loading pics in a moment

Watch this video for full explanation.


https://www.youtube.com/watch?v=glqULnoW5Ac

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Re: My Car Has A High Idle Rpm by ironheart(m): 2:01pm On Jan 01, 2017
youngice:

I'll ask the mechanic to check that out ASAP please what is the kazeemized terminology for this
a simple air leak check by doing a physical examination wouldnt hurt bro mostly if u do not have a scanner on ground

1 Like

Re: My Car Has A High Idle Rpm by daxlasaint(m): 3:04pm On Jan 01, 2017
ask your mech to adjust the air control switch attached to the throttle body in most cased like yours thats the culprit...

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Re: My Car Has A High Idle Rpm by GAZZUZZ(m): 3:06pm On Jan 01, 2017
daxlasaint:
ask your mech to adjust the air control switch attached to the throttle body in most cased like yours thats the culprit...

youngice you were asking for what the term kazeemization was? grin
Re: My Car Has A High Idle Rpm by youngice(m): 1:37pm On Jan 02, 2017
Thanks guys, I'll storm my mechanics workshop with all these info, he won't stand a chance

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Re: My Car Has A High Idle Rpm by Easyguy2k: 5:52am On Jan 04, 2017
Scan your vehicle with a good OBD 2 scan tool for drivability codes. Possible causes include a defective Idle air control valve or wiring. Also check the TPS and wiring as well as your throttle cables. Check for vacuum leaks and carry out cleaning of your throttle body.

Scanning your car first is important and will help direct you to where issues are and avoid guess work by your mechanic especially drivability problems in cars.

1 Like

Re: My Car Has A High Idle Rpm by sultaan(m): 7:20pm On Jan 04, 2017
daxlasaint:
ask your mech to adjust the air control switch attached to the throttle body in most cased like yours thats the culprit...

Never ever adjust as suggested you will make things worse by masking the problem and it will burn fuel like crazy.

All those small black hoses in the engine bay carry air check to see which one is cracked or disconnected.

But the easiest thing is to inform us about what was the last thing worked on in the last one month that will narrow it down to the fault.Mechanics accidentally crack those hoses and the last area one worked one might help
Re: My Car Has A High Idle Rpm by youngice(m): 7:54pm On Jan 08, 2017
Problem has worsened
Re: My Car Has A High Idle Rpm by GAZZUZZ(m): 8:07pm On Jan 08, 2017
youngice:
Thanks guys the problem has been solved @nurey, sultaan, gazzuzz, ironheart, daxlasaint, easyguy2k

This is CARTALK, some of us derive pleasure in knowing how you solved it.

1 Like

Re: My Car Has A High Idle Rpm by Emekayoung(m): 10:40pm On Jan 08, 2017
youngice:
Thanks guys the problem has been solved @nurey, sultaan, gazzuzz, ironheart, daxlasaint, easyguy2k
Pls how did u solve it. Mine has the same problem. My mechanic adviced me to change the throttle body. And my car consumes fuel like no tomorrow.
Re: My Car Has A High Idle Rpm by youngice(m): 3:30am On Jan 09, 2017
Emekayoung:

Pls how did u solve it. Mine has the same problem. My mechanic adviced me to change the throttle body. And my car consumes fuel like no tomorrow.
GAZZUZZ:


This is CARTALK, some of us derive pleasure in knowing how you solved it.
I took the car to the mechanic, I tried to explain all the things you guys told me, Oga no understand, I now showed him that picture, then all he did was to use his screwdriver to touch one place like this on the throttle body and the sound of the engine reduced.

It's because issues like this I've been gunning for a car enthusiast group for active interaction of members that can provide real-time help to affected parties, the response time on nl is quite long

1 Like

Re: My Car Has A High Idle Rpm by GAZZUZZ(m): 6:49am On Jan 09, 2017
youngice:

I took the car to the mechanic, I tried to explain all the things you guys told me, Oga no understand, I now showed him that picture, then all he did was to use his screwdriver to touch one place like this on the throttle body and the sound of the engine reduced.

It's because issues like this I've been gunning for a car enthusiast group for active interaction of members that can provide real-time help to affected parties, the response time on nl is quite long

finally it was fixed the wrong way, exactly how we said you should "NOT" fix it.

Did you bother watching the video?

Your query was posted 1st January 11:47am

My response 1st January 1:44pm

A little under 2hours.

1 Like

Re: My Car Has A High Idle Rpm by youngice(m): 9:08am On Jan 09, 2017
GAZZUZZ:


finally it was fixed the wrong way, exactly how we said you should "NOT" fix it.

Did you bother watching the video?

Your query was posted 1st January 11:47am

My response 1st January 1:44pm

A little under 2hours.

The video was not available, I did some research on YouTube and I downloaded another video last night, from what I saw in my spare time Ill pay him a visit,
I really appreciate your concern,

1 Like

Re: My Car Has A High Idle Rpm by GAZZUZZ(m): 2:12pm On Jan 11, 2017


a civic strolled in today. (an old client)

First take out the throttle body.

www.nairaland.com/attachments/4726567_img20170111113326_jpeg24f3b00bf9fe2fb30b27e1a6178e289b


I usually unnscrew the actuator first, to inspect if the valve is free to spin or stiff

www.nairaland.com/attachments/4726574_img20170111114319_jpeg6cca481e6ef235419cdc8b603b2f2e12



This screws are stubborn so i had to improvise.

www.nairaland.com/attachments/4726571_img20170111114311_jpegc3c728abbb8d678a6d85e86e2159b35a

Turned valve tip and it is stiff.

www.nairaland.com/attachments/4726581_img20170111114657_jpeged6cf73a9d777112869d7b05b7e05693
Opening valve area.

www.nairaland.com/attachments/4726582_img20170111115119_jpegbee59fdbbb55bf50b21a44515f4ad46c

There's a lot of carbon build up, a few bursts of carb cleaner and the valve moves freely. Don't forget to clean the butterfly too.

www.nairaland.com/attachments/4726583_img20170111115225_jpeg7c3b98adc73eb24f16bfae45b182eb98

Rearrange all the parts back together, and car will behave fine.

Don't forget to return butterfly adjuster back to its rest position, it's job is to ensure butterfly does not stick when in rest position, not for idle speed adjustment.

Re: My Car Has A High Idle Rpm by youngice(m): 11:15pm On Jan 17, 2017
Fixed the woman and she now idles like a proper lady, told the mechanic to unscrew and I emptied 2 cans of carb cleaner on her

1 Like

Re: My Car Has A High Idle Rpm by GAZZUZZ(m): 7:05am On Jan 18, 2017
youngice:
Fixed the woman and she now idles like a proper lady, told the mechanic to unscrew and I emptied 2 cans of carb cleaner on her

Nah wah 2 cans kwa? grin
Re: My Car Has A High Idle Rpm by youngice(m): 7:31am On Jan 18, 2017
GAZZUZZ:


Nah wah 2 cans kwa? grin
She was as dirty as sin and I was downright wasteful

1 Like

Re: My Car Has A High Idle Rpm by ugreat(m): 9:56pm On Jun 10, 2017
GAZZUZZ:


a civic strolled in today. (an old client)

First take out the throttle body.

www.nairaland.com/attachments/4726567_img20170111113326_jpeg24f3b00bf9fe2fb30b27e1a6178e289b


I usually unnscrew the actuator first, to inspect if the valve is free to spin or stiff

www.nairaland.com/attachments/4726574_img20170111114319_jpeg6cca481e6ef235419cdc8b603b2f2e12



This screws are stubborn so i had to improvise.

www.nairaland.com/attachments/4726571_img20170111114311_jpegc3c728abbb8d678a6d85e86e2159b35a

Turned valve tip and it is stiff.

www.nairaland.com/attachments/4726581_img20170111114657_jpeged6cf73a9d777112869d7b05b7e05693
Opening valve area.

www.nairaland.com/attachments/4726582_img20170111115119_jpegbee59fdbbb55bf50b21a44515f4ad46c

There's a lot of carbon build up, a few bursts of carb cleaner and the valve moves freely. Don't forget to clean the butterfly too.

www.nairaland.com/attachments/4726583_img20170111115225_jpeg7c3b98adc73eb24f16bfae45b182eb98

Rearrange all the parts back together, and car will behave fine.

Don't forget to return butterfly adjuster back to its rest position, it's job is to ensure butterfly does not stick when in rest position, not for idle speed adjustment.

Any video for Hyundai boss?
Re: My Car Has A High Idle Rpm by GAZZUZZ(m): 10:17pm On Jun 10, 2017
ugreat:

Any video for Hyundai boss?

same principle if it is a manual throttle body.

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