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VVEL Question on Intake Manifold Pressure

From what I have read with the VVEL system, the throttle bodies are not used once the engine is running. If so: (1) Where does the vacuum for the brake

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VVEL Question on Intake Manifold Pressure

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01-07-2016, 09:31 PM	#1 (permalink)
SonicVQ Base Member Join Date: Jan 2016 Location: Ontario Posts: 230 Drives: G37 Sport Rep Power: 6721	VVEL Question on Intake Manifold Pressure From what I have read with the VVEL system, the throttle bodies are not used once the engine is running. If so: (1) Where does the vacuum for the brake booster come from? (2) Why does my MAP sensor show 22 inches/Hg vacuum at idle? What is going on? Last edited by SonicVQ; 01-07-2016 at 09:42 PM.

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