BMW DTC P2073 – Manifold Absolute Pressure/Mass Air Flow – Throttle Position Correlation at Idle
DTC P2073 meaning on BMW
The Diagnostic Trouble Code (DTC) P2073 on a BMW indicates a correlation problem between the Manifold Absolute Pressure (MAP) sensor, Mass Air Flow (MAF) sensor, and Throttle Position Sensor (TPS) at idle. This means that the engine control module (ECM) has detected a discrepancy in the readings from these sensors while the engine is idling.
BMW DTC P2073 symptoms
Symptoms of DTC P2073 on a BMW may include rough idle, stalling at idle, hesitation or lack of power during acceleration, and potentially an illuminated Check Engine Light on the dashboard.
BMW DTC P2073 causes
The causes of DTC P2073 on a BMW can vary and may include issues such as a faulty MAP sensor, MAF sensor, TPS, vacuum leaks, wiring or connector issues, or a problem with the ECM itself.
BMW DTC P2073 seriousness
While DTC P2073 may not always result in immediate drivability issues, it is important to address this problem promptly as it can lead to poor engine performance, reduced fuel efficiency, and potential long-term damage if left unresolved.
How to diagnose DTC P2073 on BMW
To diagnose DTC P2073 on a BMW, a mechanic would typically use a diagnostic scanner to retrieve the trouble codes and then perform a series of tests to pinpoint the exact cause. This may involve checking the sensor readings, inspecting for vacuum leaks, testing the wiring and connectors, and verifying the ECM functionality.
How to fix DTC P2073 on BMW
Fixing DTC P2073 on a BMW usually involves addressing the root cause of the issue. This may include replacing the faulty sensor(s), repairing any vacuum leaks, fixing wiring or connector problems, or reprogramming the ECM if necessary. It is recommended to follow the manufacturer’s diagnostic and repair procedures for a proper fix.
How to erase DTC P2073 on BMW
Once the underlying issue causing DTC P2073 on a BMW has been resolved, the trouble code can be cleared using a diagnostic scanner. By clearing the code, the Check Engine Light should turn off, indicating that the problem has been addressed. It is important to ensure that the repair has been successful before clearing the code.
Recommended tools & DTC Scanners for BMW
Best Diagnostic App for modern BMWs: BimmerLink
Recommended Bluetooth adapter for Bimmerlink: OBDLink CX
Cable adapter for Bimmerlink: Enet Cable USB Type C
For older BMWs we recommend: Autel AutoLink AL319 (2024 version)
Easy-to-use Multimeter for reliable diagnostics: AstroAI Auto-ranging Multimeter
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