My BJ7 has developed an intermittent misfire while cruising. It is most notable in 3rd and 4th gear, but somewhat evident in 2nd gear too. It really doesn’t show up until the car is fully warmed up. There is never any misfire while the engine is under load or accelerating through the gears. I have conventional points and condenser ignition. Plugs, wires, and coil are new within the last 500 miles. Any ideas for a “fix”?
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