Honda Civic / Del Sol (1992 - 2000) EG/EH/EJ/EK/EM1 Discussion

99 Civic DX engine idle issue

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Old Mar 24, 2017 | 11:32 PM
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Default 99 Civic DX engine idle issue

I have the d16y7 sorry I posted in wrong thread before mr hondrix. New to this stuff. Anyways when I apply brakes and almost get stopped my car rattles like idle issue or something. It vibrates for 30-45secs then stops. Any advice or help is appreciated.
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Old Mar 25, 2017 | 02:47 PM
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Default Re: 99 Civic DX engine idle issue

Idle issue at cold start or at operating temp?
CEL's?
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Old Mar 25, 2017 | 03:08 PM
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Default Re: 99 Civic DX engine idle issue

It's all time cold warm don't matter
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Old Mar 25, 2017 | 03:51 PM
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Default Re: 99 Civic DX engine idle issue

Sounds like a hunting idle situation. Is the tach bouncing up and down or erratic in any way?
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Old Mar 25, 2017 | 07:30 PM
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Default Re: 99 Civic DX engine idle issue

Could possibly be a vacuum leak check all vacuum lines to start with
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Old Mar 26, 2017 | 03:57 AM
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Default Re: 99 Civic DX engine idle issue

Originally Posted by Jhice96
Could possibly be a vacuum leak check all vacuum lines to start with
I am thinking the same thing. OP here's a couple vids to help with tracking down a vacuum leak:

If you do the following (video) use the brake booster line to blow smoke into. Use saran wrap + rubber band, rubber glove or other to block off throttle body intake:

Other methods:

Also, remove and clean the throttle body and IACV. Replace IACV gasket if it's stiff and flat (not sealing).
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Old Mar 26, 2017 | 04:46 AM
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Default Re: 99 Civic DX engine idle issue

Originally Posted by Jimi Hondrix
Sounds like a hunting idle situation. Is the tach bouncing up and down or erratic in any way?
its A/To no tach
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Old Mar 26, 2017 | 04:49 AM
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Default Re: 99 Civic DX engine idle issue

Originally Posted by Jimi Hondrix
I am thinking the same thing. OP here's a couple vids to help with tracking down a vacuum leak:

If you do the following (video) use the brake booster line to blow smoke into. Use saran wrap + rubber band, rubber glove or other to block off throttle body intake:
https://www.youtube.com/watch?v=zMok2y05jNE

Other methods:
https://www.youtube.com/watch?v=qTzDY95aqXg

Also, remove and clean the throttle body and IACV. Replace IACV gasket if it's stiff and flat (not sealing).
i will try that today watched the vids. Assuming weather lets up. Ty for info this far will let you know how it goes
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