Recently, i noticed my secondary butterflies were't moving anymore. The plunger is still fine. if i move it manuall and plug it with my finger, it stays. There is next to no vacuum on the line going to it, though. At idle, there is no vacuum on that line.
Is this a common problem. My cruise control doesn't work anymore, either. I think i have a system-wide vacuum problem/failure.
The engine idles smoothly and fuel economy is still great...
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