A4 Quattro Sedan L4-2.0L Turbo (CAEB) (2009)
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Disconnect the Intake Manifold Runner Position Sensor (G336) electrical harness connector - arrow -.
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Switch the ignition on.
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Using a multimeter, check the Intake Manifold Runner Position Sensor (G336) electrical harness connector terminals 1 to 3 for voltage.
Specified value: about 5 V
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Switch ignition off.