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Author Topic: ICV buzzing  (Read 1083 times)

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Craig_R

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ICV buzzing
« on: 20 September 2007, 19:10:31 »
I was just wondering if this is normal.

I was doing some work under the bonnet last weekend and once i had the ignition key turned to number 2 where the dash lights are on but not started and i could hear a buzz of kinds. I quickly tracked it to the ICV by unpluging it and the buz was gone plug it back in and buz was back. 'is this normal ?

Craig
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EddieX

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Re: ICV buzzing
« Reply #1 on: 20 September 2007, 20:17:13 »
The Cavalier 130SR engine and management system that was in my old Manta did exactly the same.
As the Omega system is a development of the Cav. one, I would think this might be normal.

Eddie.
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hotel21

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Re: ICV buzzing
« Reply #2 on: 20 September 2007, 21:10:57 »
Can't say I've ever noticed a buzz noise from the Idle Valve.  Had a listen this evening, once when cold and again when warm.  Never noticed anything out the normal and no change when its disconnected.   :-/

Perhaps yours is good and mine is the broken one??   :o

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Craig_R

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Re: ICV buzzing
« Reply #3 on: 20 September 2007, 22:46:43 »
dont forget mine is a 4 pot different ICV to the V6 one
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hotel21

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Re: ICV buzzing
« Reply #4 on: 20 September 2007, 23:36:43 »
Quote
dont forget mine is a 4 pot different ICV to the V6 one

That could be it then...    ;D

Confused by the MV6 reference in your sig...   :y
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Marks DTM Calib

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Re: ICV buzzing
« Reply #5 on: 21 September 2007, 09:27:33 »
Never realy noticed one buzz.......have you found your knock yet?
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Craig_R

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Re: ICV buzzing
« Reply #6 on: 21 September 2007, 09:31:51 »
nope knock is still there i am putting it down to the steering box or the steering column which i am getting swapped over soon.

I have a spare ICV so ill plug it in and see if its the same this weekend
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Marks DTM Calib

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Re: ICV buzzing
« Reply #7 on: 21 September 2007, 10:13:05 »
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nope knock is still there i am putting it down to the steering box or the steering column which i am getting swapped over soon.

I have a spare ICV so ill plug it in and see if its the same this weekend

Does the knock sound like its coming from under the car....but also happens sometimes when you turn the steering wheel (normlay once when stationary) or hit a bump?
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magnul

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Re: ICV buzzing
« Reply #8 on: 21 September 2007, 10:30:28 »
Mine is buzzing from the TB area as well. Doesn't mean it's normal though;-)
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