BMW DTC P013E – O2 Sensor Delayed Response – Rich to Lean (Bank 1 Sensor 2)
DTC P013E meaning on BMW
The Diagnostic Trouble Code (DTC) P013E on a BMW indicates an O2 Sensor Delayed Response – Rich to Lean for Bank 1 Sensor 2. This means that the oxygen sensor located downstream of the catalytic converter on bank 1 is taking longer than expected to switch from a rich (high fuel) to lean (low fuel) air/fuel mixture reading.
BMW DTC P013E symptoms
Symptoms of a DTC P013E on a BMW may include:
- Check Engine Light (CEL) illuminated on the dashboard
- Poor fuel economy
- Engine running rough or misfiring
- Increased emissions
BMW DTC P013E causes
Common causes of a DTC P013E on a BMW include:
- Failed or deteriorated oxygen sensor
- Exhaust leaks near the sensor
- Contaminated sensor element
- Issues with the catalytic converter
- Wiring or connector problems
BMW DTC P013E seriousness
While a DTC P013E may not cause immediate drivability issues, it can lead to decreased fuel efficiency and increased emissions. Ignoring this code can potentially cause damage to the catalytic converter over time.
How to diagnose DTC P013E on BMW
To diagnose a DTC P013E on a BMW, you can:
- Use an OBD-II scanner to retrieve the specific fault code
- Inspect the wiring and connectors for any damage or corrosion
- Check for exhaust leaks near the sensor
- Test the oxygen sensor’s response time using a scan tool
How to fix DTC P013E on BMW
To fix a DTC P013E on a BMW, you may need to:
- Replace the oxygen sensor (Bank 1 Sensor 2)
- Repair any wiring or connector issues
- Address any exhaust leaks near the sensor
- Ensure the catalytic converter is functioning properly
How to erase DTC P013E on BMW
To erase a DTC P013E on a BMW, you can:
- Use an OBD-II scanner to clear the fault code
- After fixing the underlying issue, drive the vehicle to allow the system to retest and verify the repair
- If the issue is resolved, the Check Engine Light should turn off on its own
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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