Maybe the Stepper Motor/Intake Air Control on the back of your Plenum. Sits just above the Fuel Pressure Reg, has a plastic plug connected to it. Romove and clean, clean the seat that it sits in also. Controls your idle fuel mix........I did this and it helped mine.
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Beer is proof that God loves us and wants us to be happy. ~Benjamin Franklin
1989 RR Classic
1969 Series IIA
3 Kids in College...........
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