S6 Quattro Sedan V10-5.2L (BXA) (2007)
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Disconnect the vacuum hose - 1 - from the intake manifold.
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Remove the screws- arrows - and the air duct.
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Disconnect the Engine Coolant Temperature (ECT) Sensor (G62) electrical harness connector - 1 -.
Checking internal resistance
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Using a multimeter, check the Engine Coolant Temperature (ECT) Sensor (G62) terminals 1 to 2 for resistance.
