No, it does not. It's merely measuring the vacuum pressure (amount of intake suction) at the manifold. There are no sensors, no metering and no connection to the ECU, a/f mixture or anything else.
It's not precise, but when you stomp the gas pedal, which causes the manifold pressure to build, the gauge does tell you that you're paying an economy penatly.
LOL, thanks guys!!
And I was worrying for nothing...because it changed so very slightly...:bowdown:
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