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94' Ford F-150 4 9L manual 4x4. If I am driving at lower rpms, the truck has an intermittent miss while the EGR vacuum is attached. Once I accelerate, especially at wide open throttle, the miss goes away, once I return to lower rpms the truck can be sluggish, and definitely is not running right. If I unplug the EGR vacuum line from the EGR the truck runs fine, but feels down on power a fair amount.
