intermitent sputtering in idle...wtf?
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Junior Member
Joined: Jan 2000
Posts: 92
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From: Manila
intermitent sputtering in idle...wtf?
what could it be? the car runs fine...starts easily and idles ok, except for the occasional sputter at the exhaust... it occurs in regular intervals, like every 2-3 seconds at arnd 500 rpm... the tach also fluctuates with the sputtering...wtf?
oh yeah...it's a carbed 350...
[This message has been edited by Locry (edited December 28, 2000).]
oh yeah...it's a carbed 350...
[This message has been edited by Locry (edited December 28, 2000).]
Supreme Member
Joined: Jul 1999
Posts: 18,457
Likes: 16
From: Loveland, OH, US
Car: 4
Engine: 6
Transmission: 5
What kind of carb?
If it's a Q-Jet, it might be the plugs in the bottom of the fuel bowl under the primary jets leaking gas into the intake like they always do.
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"So many Mustangs, so little time..."
If it's a Q-Jet, it might be the plugs in the bottom of the fuel bowl under the primary jets leaking gas into the intake like they always do.
------------------
"So many Mustangs, so little time..."
Moderator
Joined: Jan 2000
Posts: 19,660
Likes: 311
Locry,
What is your cam profile? A stock cam should allow a fairly smooth idle, but more overlap will definitely cause some lope and unsteady idle.
Where is the base timing? Any other symptoms, like smoke, overheating, etc?
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Later,
Vader
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"No matter how hard you try you can't stop us now"
Adobe Acrobat Reader 4.0
What is your cam profile? A stock cam should allow a fairly smooth idle, but more overlap will definitely cause some lope and unsteady idle.
Where is the base timing? Any other symptoms, like smoke, overheating, etc?
------------------
Later,
Vader
------------------
"No matter how hard you try you can't stop us now"
Adobe Acrobat Reader 4.0
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