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Author
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Topic: idle issues please help
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purple hatch
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Member # 6131
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posted
 
 
I have 89 stang with a 306 supercharged with trick flow intake,70mm tbody, 24 pound injecter with match fmu,gt-40 heads with 1.7 roller rockers my problem is the idle. If i come up to a light an if i stay at the light for over 5mins my idle first drops to around 600 to 550 rpm an starts moving up and down .I have tryed everything even brought the idle plate i have done the idle setting the right way. any help would be helpful. Even set the tps clean mass airflow meter.
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Bone Stock
Posts: 273 | From: Petaluma | Registered: Oct 2005
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92stangLX
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Member # 3252
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posted
You could have a vaccum leak. Check all the vacuum lines and also make sure your intake tube is secured properly.
Are you getting any codes? What kind of mass air are you using?
Posts: 5302 | From: San Francisco | Registered: Sep 2003
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FasterDamnit
Bad Attitude
Member # 442
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posted
Cam?
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'92 LX T5
Looked stock, went 11's 11.90 at 115mph.
'65 Mustang 347
www.fordmuscle.com
Livin' in the Carolina Pines
Posts: 2971 | From: NorCal | Registered: Sep 2001
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purple hatch
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Member # 6131
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posted
i checked for vacum leaks an it is a e-cam
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Bone Stock
Posts: 273 | From: Petaluma | Registered: Oct 2005
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purple hatch
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Member # 6131
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posted
i never had this problem intil i put the supercharger on.
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Bone Stock
Posts: 273 | From: Petaluma | Registered: Oct 2005
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92stangLX
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Member # 3252
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posted
What blower are you running? Do you have a power pipe?
Posts: 5302 | From: San Francisco | Registered: Sep 2003
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purple hatch
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Member # 6131
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posted
yes i do have a powerpipe with bypass an the blower is a paxton ball drive unit pushing 8psi of boost.
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Bone Stock
Posts: 273 | From: Petaluma | Registered: Oct 2005
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purple hatch
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Member # 6131
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posted
fix the problem it was the mass air sensor.idles perfect now thanks
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Bone Stock
Posts: 273 | From: Petaluma | Registered: Oct 2005
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92stangLX
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Member # 3252
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posted
quote:
Originally posted by purple hatch:
fix the problem it was the mass air sensor.idles perfect now thanks
Just curious.. How did you fix it? Did you re-clock the MAF or replace it?
Posts: 5302 | From: San Francisco | Registered: Sep 2003
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stangless
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Member # 1414
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posted
i'm curious too.. mine does that sometimes too..
i thought it was a vacum leak..
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Posts: 4634 | From: bay | Registered: Jun 2002
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purple hatch
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Member # 6131
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posted
i just replaced it.ldles way better now. ![[Big Grin]](biggrin.gif)
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Bone Stock
Posts: 273 | From: Petaluma | Registered: Oct 2005
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