Let me know your engine code (e.g., N52B30) and I can give more specific wiring pinouts or test values.
The 2AA8 DME variable intake system servomotor activation operates based on input from various engine sensors, such as: 2aa8 dme variable intake system servomotor activation
If the internal flaps are broken or the manifold is cracked from backfire, replace the manifold. This is common on high-mileage N52 engines where plastic flap shafts snap. Let me know your engine code (e
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