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VVEL Question on Intake Manifold Pressure

Update: After monitoring the intake manifold vacuum and throttle position, the TB does close when you lift off the accelerator. It opens when the throttle position is greater than about

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Old 03-05-2016, 08:56 PM   #6 (permalink)
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Update:
After monitoring the intake manifold vacuum and throttle position, the TB does close when you lift off the accelerator. It opens when the throttle position is greater than about 13%. This keeps enough vacuum for the brake booster and for the mode $06 evap tests.


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Last edited by SonicVQ; 03-05-2016 at 08:59 PM.
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