BMW DTC P313D – Cylinder 8 High Pressure Injector Low Side Interturn Short Circuit or Circuit High
DTC P313D meaning on BMW
DTC P313D on a BMW indicates a fault with the high-pressure injector for cylinder 8. Specifically, it points to a low side interturn short circuit or circuit high issue. This fault can affect the proper functioning of the injector, leading to potential drivability issues.
BMW DTC P313D symptoms
Symptoms of DTC P313D on a BMW may include rough idling, misfires, loss of power, decreased fuel efficiency, and potentially an illuminated check engine light. The vehicle may also exhibit hesitation or stumbling during acceleration.
BMW DTC P313D causes
The most common causes of DTC P313D on a BMW include a faulty high-pressure injector for cylinder 8, wiring issues such as a short circuit or high resistance in the injector circuit, or a malfunction in the engine control module (ECM) related to injector control.
BMW DTC P313D seriousness
DTC P313D should be addressed promptly to prevent potential engine damage and drivability issues. Ignoring this fault could lead to further complications and may result in increased repair costs over time.
How to diagnose DTC P313D on BMW
To diagnose DTC P313D on a BMW, a mechanic would typically use a diagnostic scanner to retrieve the fault code and perform a thorough inspection of the high-pressure injector for cylinder 8 and its related wiring. They may also conduct tests to check the injector’s resistance and functionality.
How to fix DTC P313D on BMW
Fixing DTC P313D on a BMW may involve replacing the high-pressure injector for cylinder 8 if it is found to be faulty. Additionally, any wiring issues should be repaired, and the engine control module (ECM) should be checked for proper operation. Once the necessary repairs are made, the fault code should be cleared.
How to erase DTC P313D on BMW
To erase DTC P313D on a BMW, a diagnostic scanner can be used to clear the fault code from the vehicle’s ECM. After the repairs have been completed and the issue resolved, the code can be erased to reset the system and turn off the check engine light.
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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