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Author Topic: Changing idle speed  (Read 842 times)

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markh1

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Changing idle speed
« on: 20 October 2008, 16:55:20 »
Hi all,

Having just bought an omega 3.0 manual I have noticed the idle speed is very low at about 500rpm. How do I bring it back up to what it should be?

Thanks.
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'98 Omega 3.0 Elite Manual - Slowly having most of running gear replaced
'98 TVR Cerbera 4.5 - completely rebuilt on new chassis

Tresvant

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Re: Changing idle speed
« Reply #1 on: 20 October 2008, 17:00:47 »
not an expert myself but reading various threads on here 500rpm sounds about right. Mine ticks over at 500
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Matchless

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Re: Changing idle speed
« Reply #2 on: 20 October 2008, 17:04:47 »
500 is about right, will rise slightly with a/c running
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Matchless

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Re: Changing idle speed
« Reply #3 on: 20 October 2008, 17:07:50 »
Should add that at 500 rpm it should idle perfectly smoothly, if its rough or lumpy then there is something wrong.
If you are used to 4 cylinders then 500 will seem low but you soon get used to it.
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stowboy

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Re: Changing idle speed
« Reply #4 on: 20 October 2008, 17:14:04 »
yes, my 3.0 mv6 tickover sits about 500/550 revs too  8-)
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Andy B

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Re: Changing idle speed
« Reply #5 on: 20 October 2008, 17:15:34 »
Quote
yes, my 3.0 mv6 tickover sits about 500/550 revs too  8-)

As does my 3.0 if the air con is off!  :y
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markh1

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Re: Changing idle speed
« Reply #6 on: 20 October 2008, 17:36:12 »
Im suprised that its meant to be that low. It does seem to 'hunt' a bit though however.
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TheBoy

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Re: Changing idle speed
« Reply #7 on: 20 October 2008, 18:58:41 »
Quote
Im suprised that its meant to be that low. It does seem to 'hunt' a bit though however.
The idle speed is fine, but if you have a bit of a lumpy idle:

Clean breathers
Check for leaks on air intake
Check for vac leaks
Check EGR (or blank it)
Clean Idle Control Valve

:)
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