Carburetors Carb discussion and questions. Upgrading your Third Gen's carburetor, swapping TBI to carburetor, or TPI to carburetor? Need LG4 or H.O. info? Post it here.

Code 23

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Old Aug 25, 2011 | 10:35 PM
  #1  
DizzTransAm's Avatar
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From: Desert Hot Springs, CA
Car: '83 & '84 T/As
Code 23

Got my Carb'd Bird going and after the maiden test drive this came up.
From what I understand 23 = Mixture Control Solenoid but I couldn't come up with any other info to resolving it.
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Old Aug 26, 2011 | 03:13 PM
  #2  
naf's Avatar
naf
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From: Lexington, SC
Car: 1987 SC/1985 TA
Engine: 350/vortec/fitech
Transmission: T56
Axle/Gears: 3.27 9-bolt
Re: Code 23

Is the MCS in the carb clicking when the key is turned to 'run'? It should click for about a minute if the engine isn't started and continuously while the engine is running.
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Old Aug 29, 2011 | 01:53 PM
  #3  
five7kid's Avatar
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From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
https://www.thirdgen.org/service-eng...ht-error-codes

Code 23 is throttle position sensor error.
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