1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

80' Carb Flooding

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Old 12-22-16, 03:52 PM
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80' Carb Flooding

The car runs great almost all the time. Recently, it stalled after stopping. After deflooding it worked great again. So while trying to figure out what could have caused it, I noticed that after a while if the key is in the "on" position with the motor not running, gas will start pouring out of all 4 jets. I just recently replaced the fuel filter. Anyone got any ideas?
Old 12-22-16, 04:43 PM
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Float bowl vent solenoid.
Old 12-22-16, 05:03 PM
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Originally Posted by Jeff20B
Float bowl vent solenoid.
Where would that be located on the carb? What should I do to test it
Old 12-22-16, 06:42 PM
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Originally Posted by Jeff20B
Float bowl vent solenoid.
Jeff,
Would that be the "Air Vent Solenoid" as defined on page 5 in the Glossary of the "mazda carburetor manual 1979-1985.pdf" which can be downloaded by following the link in the 3rd post from the top in this forum by Sgt Fox?
Old 12-23-16, 02:12 PM
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I just checked the solenoid, it works fine. It doesn't seem to have the same problem today. Could it be temperature related?
Old 12-23-16, 03:26 PM
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Maybe it's just sticky due to, yes, temps.
Old 12-23-16, 03:43 PM
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Is there anything I can do to prevent it from happening again?
Old 12-24-16, 12:07 AM
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Of course my answer is: you can remove it easily (three screws) and swap in an aluminum plate with a gasket to be the same thickness as the FBVS was.




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