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Old 07-20-2003, 07:54 AM
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Q Jet carb question

I have a 1986 G20 Chevy van on the carb the mixture control solenoid is melted, van runs ok this is the only electrical emmission item on the carb can I just bypass it or should I replace it ??????

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Old 07-20-2003, 08:50 PM
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The more I get into this I don't belive it is a maxture solenoid,dosen't have any connection to the primary jets or metering rods.It is a electric solenoid but at the bottom in the bowl ther is a plunger valve and this solenoid open and closes this valve.only 1 wire I can find to feed it power on when ing on ? runs fine unhooked.The van is non ecu so not computer controled.i can not find any info on this solenoid ???
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Old 07-21-2003, 12:28 AM
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If the solenoid isn't hooked to the metering rods, then it works on the accelerator pump. When the engine is cold the solenoid is off and you get full pump shot. When the engine warms up the solenoid is energized and bleeds off some of the pump shot for emission purposes. If the solenoid doesn't work you get max pump shot all of the time. If it isn't working it really won't hurt anything.
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