BMW DTC P3248 – Torque Comparison Bank Deviation Too Large
DTC P3248 meaning on BMW
DTC P3248 on a BMW indicates that the torque comparison bank deviation is too large. This means that there is a significant difference in torque output between the cylinders in the engine bank, which can lead to performance issues and potential damage if not addressed promptly.
BMW DTC P3248 symptoms
Symptoms of DTC P3248 on a BMW may include rough idling, reduced engine power, hesitation or surging during acceleration, and in some cases, the Check Engine Light may illuminate on the dashboard.
BMW DTC P3248 causes
The most common causes of DTC P3248 on a BMW include issues with fuel injectors, ignition coils, spark plugs, or a faulty oxygen sensor. Additionally, vacuum leaks, intake manifold issues, or a malfunctioning mass airflow sensor can also contribute to this fault code.
BMW DTC P3248 seriousness
Ignoring DTC P3248 on a BMW can lead to decreased fuel efficiency, engine misfires, and potential damage to the catalytic converter. It is important to address this issue promptly to prevent further complications and ensure the vehicle operates efficiently.
How to diagnose DTC P3248 on BMW
To diagnose DTC P3248 on a BMW, a mechanic would typically use a diagnostic scanner to retrieve the fault code and then perform a thorough inspection of the fuel system, ignition system, and engine components. This may involve checking the fuel injectors, spark plugs, ignition coils, oxygen sensor, and conducting a compression test to identify the root cause of the torque deviation.
How to fix DTC P3248 on BMW
Fixing DTC P3248 on a BMW may involve replacing faulty fuel injectors, ignition coils, spark plugs, or oxygen sensor. Additionally, addressing any vacuum leaks, intake manifold issues, or cleaning/replacing the mass airflow sensor can help resolve the torque deviation problem. It is recommended to follow the manufacturer’s repair procedures and use quality replacement parts to ensure proper functionality.
How to erase DTC P3248 on BMW
To erase DTC P3248 on a BMW, a mechanic can use a diagnostic scanner to clear the fault code from the vehicle’s computer system. After addressing and fixing the underlying issue that caused the fault code, the mechanic can then reset the Check Engine Light and verify that the code does not reappear during subsequent driving cycles.
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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