BMW DTC P1424 – Mass or Volume Air Flow Too High
DTC P1424 meaning on BMW
The DTC P1424 code on a BMW indicates that the Mass or Volume Air Flow is too high. This means that the engine control module (ECM) has detected that the amount of air entering the engine is higher than expected based on various sensor readings.
BMW DTC P1424 symptoms
Symptoms associated with DTC P1424 on a BMW may include:
- Check Engine Light illuminated
- Reduced engine performance
- Engine stalling or hesitation
- Increased fuel consumption
BMW DTC P1424 causes
The possible causes of DTC P1424 on a BMW include:
- Dirty or faulty Mass Air Flow (MAF) sensor
- Vacuum leaks in the intake system
- Faulty oxygen sensor
- Issues with the air intake system
BMW DTC P1424 seriousness
While DTC P1424 may not always result in immediate engine failure, it is important to address this issue promptly to prevent potential damage to the engine and ensure optimal performance and fuel efficiency.
How to diagnose DTC P1424 on BMW
To diagnose DTC P1424 on a BMW, you can perform the following steps:
- Use an OBD-II scanner to retrieve the fault codes
- Inspect the Mass Air Flow (MAF) sensor for dirt or damage
- Check for any vacuum leaks in the intake system
- Inspect the oxygen sensor for proper operation
How to fix DTC P1424 on BMW
To fix DTC P1424 on a BMW, you can try the following solutions:
- Clean or replace the Mass Air Flow (MAF) sensor
- Repair any vacuum leaks in the intake system
- Replace the faulty oxygen sensor
- Ensure the air intake system is free from obstructions
How to erase DTC P1424 on BMW
To erase DTC P1424 on a BMW, you can use an OBD-II scanner to clear the fault codes stored in the engine control module (ECM). Once the codes are cleared, you can monitor the vehicle for any recurring issues.
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
Some of the links on this page may be affiliate links, which means we may earn a small commission if you make a purchase. This helps us keep our DTC database up to date and provide valuable content for free. We only recommend products that we have tested and believe to be the best in their class.