feedback solenoid
FTE Leadership Emeritus
Joined: Sep 2000
Posts: 7,298
Likes: 45
From: Southern California
Well this description of an FBCA is for a Model 7200-vv 2BBL carb, but they probably work the same...
It controls a vacuum bleed metering rod. When extended, the rod is seated and gives a slightly rich mixture. When retracted, the metering rod bleeds vacuum from the control vacuum chamber into the fuel bowl. Lowering the pressure in the bowl, which leans out the mixture.
It controls a vacuum bleed metering rod. When extended, the rod is seated and gives a slightly rich mixture. When retracted, the metering rod bleeds vacuum from the control vacuum chamber into the fuel bowl. Lowering the pressure in the bowl, which leans out the mixture.
New User
Joined: Sep 2003
Posts: 20
Likes: 0
From: Norman, Oklahoma
I have the feedback solenoid on my 85 van with a 302 engine and the 2150-2V carburetor. It has a triangler base and a 2-wire connector. It operates under control of the EEC-IV system to help regulate the air-fuel mixture. My solenoid plunger was sticking in the lean position at times and causing the engine to sputter like a sticking float. A new one was $34 at O'Reily's and $125 from the Ford dealer. I decided to just use the one off my spare carburetor.
tor
tor
Posting Guru
Joined: Jan 2001
Posts: 2,358
Likes: 3
From: Nebraska
On the 1 barrel carb on the 300, the feedback solenoid is towards the front of the carb with two wires coming out of it. This controls the mixture somewhat. The solenoid on the rear with four wires is the idle speed control motor. It does just as its name says by extending and pushing on the throttle, or retracting. There's also a throttle position sensor at the base with three wires.
Cargo Master
Joined: Jun 2013
Posts: 3,182
Likes: 15
From: Somewhere n North America
Do you know if the "idle speed control motor" has a vacuum line attached as well?
Cargo Master
Joined: Jun 2013
Posts: 3,182
Likes: 15
From: Somewhere n North America
Sorry, kind of related to some recent research.
I don't do it as much as I used to....
I'm calling them Cold Cases as of yesterday....
I don't do it as much as I used to....
I'm calling them Cold Cases as of yesterday....
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FTE Legend
Joined: Nov 2015
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From: Angier, NC
I kind of thought so but one of the post the person only had like 50 posts and was 10 years old I think.
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Dave ----
Hope you find what you are looking for.
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