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Oct 30, 2002 | 02:20 PM

Tee Jay

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Joined: Oct 2002

Posts: 1,008

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From: Boone/Charlotte, NC, USA

Question

When the car is idle it goes up and down. Does that mean it's the oxygen sensor?

Oct 30, 2002 | 02:28 PM

JoshDM

Honda-Tech Member

Joined: Oct 2002

Posts: 513

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From: DENVER, TX, USA

Re: Question (CrX_HF)

it could be a lot of things check for trouble codes first
if no codes could be tps,iacv

Oct 30, 2002 | 02:50 PM

MADEINIRAQ

Honda-Tech Member

Joined: Jul 2002

Posts: 2,250

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From: MI

Re: Question (JoshDM)

if there is no codes.. it's probably a vacuum leak

Oct 30, 2002 | 03:04 PM

Hondasaurs

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Joined: Oct 2001

Posts: 1,605

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From: Upstate, NY

Re: Question (CrX_HF)

Quote:

When the car is idle it goes up and down. Does that mean it's the oxygen sensor?

not necessarily. There should be a Flat head screw on the TB. It faces the passanger side toward the fire wall. Adjust that until the car idles normally then reset your ECU.

Oct 30, 2002 | 03:26 PM

8400 rpm

Joined: Apr 2002

Posts: 488

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From: socal

Re: Question (ZC_CRX)

Quote:

When the car is idle it goes up and down. Does that mean it's the oxygen sensor?not necessarily. There should be a Flat head screw on the TB. It faces the passanger side toward the fire wall. Adjust that until the car idles normally then reset your ECU.

yeap, its probably the Idle Control screw on the throttle body, mines used to idle similar to yours, so I screwed it counter-clockwise to make the rpm's drop.