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Location:
Auckland, NZ
Registered:
August 2004
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vacuum issues
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Sun, 29 August 2004 05:48
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hey ya'll
i have vacuum issues at idle...
at cold startup idle is bout 1200-1400rpm and vacuum is about 12inhg
as choke comes off vacuum gradually goes to 18
at this time car also misfires slightly but only when warm and at idle
go for a drive and shes sweet as, no miss under load stop at lights and miss comes back and vacuum now reads 18-19 in drive and 20-21 in park
ignition timing perfect... plugs burning great...
can screwed up air fuel mixture (running really rich at idle) cause this
any other ideas?
thanx
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Location:
Auckland, NZ
Registered:
August 2004
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Re: vacuum issues
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Sun, 29 August 2004 07:36
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anyone?
this is frustrating the hell outta me 
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Location:
Melbourne
Registered:
May 2002
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Re: vacuum issues
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Sun, 29 August 2004 08:41
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You will find if your running to rich you would have to advance the timming to get the car to idle right, how bad is the miss
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Location:
Auckland, NZ
Registered:
August 2004
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Re: vacuum issues
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Sun, 29 August 2004 09:15
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my timing is currently 10BTDC which is stock
my miss is a slight "blip" every 10-20secs or so
i'm just fussy lol
i like my engine to be "blip" free 
female <---------- blame that hehe
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Location:
Central Coast, NSW
Registered:
May 2002
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Re: vacuum issues
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Sun, 29 August 2004 23:16
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7M-GTE <--- You could blame that too 
After a BHG i think every 7M owner has a fit every time a funny noise makes its way into the engine bay
Dan
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Location:
Auckland, NZ
Registered:
August 2004
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Re: vacuum issues
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Mon, 30 August 2004 07:13
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7mgte's are all good
and yes i do agree, i think have heart attacks everytime something new arrives lol
but i have sorted out what was wrong... a resister in my fcd circuit board had broken and therefore causing all my problems
so now from cold start up vacuum is 21 straight away and she idles like a dream
so thanks for ya ideas ppl's 
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