BMW DTC P2298 – O2 Sensor Out of Range During Deceleration (Bank 2 Sensor 1)
DTC P2298 meaning on BMW
DTC P2298 on a BMW indicates that the oxygen sensor in Bank 2 Sensor 1 is reporting a signal that is out of range during deceleration. This sensor is responsible for monitoring the oxygen content in the exhaust gases and providing feedback to the engine control module for proper fuel mixture adjustments.
BMW DTC P2298 symptoms
Symptoms of DTC P2298 on a BMW may include poor fuel economy, rough idling, hesitation or stalling during deceleration, and potentially an illuminated check engine light on the dashboard.
BMW DTC P2298 causes
The most common causes of DTC P2298 on a BMW include a faulty oxygen sensor, wiring issues in the sensor circuit, exhaust leaks near the sensor, or a malfunctioning engine control module.
BMW DTC P2298 seriousness
While DTC P2298 may not cause immediate drivability issues, it can lead to poor engine performance and increased emissions if left unresolved. It is recommended to address this issue promptly to prevent further damage to the vehicle.
How to diagnose DTC P2298 on BMW
To diagnose DTC P2298 on a BMW, a mechanic would typically use a diagnostic scanner to retrieve the fault code and then perform a visual inspection of the oxygen sensor and its wiring. Testing the sensor’s output voltage during deceleration can help determine if it is functioning correctly.
How to fix DTC P2298 on BMW
Fixing DTC P2298 on a BMW may involve replacing the oxygen sensor in Bank 2 Sensor 1 if it is found to be faulty. Additionally, checking and repairing any damaged wiring or addressing exhaust leaks near the sensor can help resolve the issue. In some cases, reprogramming or replacing the engine control module may be necessary.
How to erase DTC P2298 on BMW
Once the underlying issue causing DTC P2298 on a BMW has been fixed, the fault code can be cleared using a diagnostic scanner. This will reset the check engine light and allow the vehicle’s onboard computer to monitor the system for any new faults.
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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