BMW DTC P140E – Cylinder Injection Cut-Off, Fuel Level Too Low
DTC P140E meaning on BMW
DTC P140E on a BMW indicates a Cylinder Injection Cut-Off due to Fuel Level Too Low. This fault code is triggered when the engine control module detects that the fuel level is too low for proper operation of the fuel injection system.
BMW DTC P140E symptoms
Symptoms of DTC P140E on a BMW may include rough idling, engine misfires, hesitation during acceleration, and in severe cases, the engine may stall. The Check Engine Light (CEL) may also illuminate on the dashboard.
BMW DTC P140E causes
The main cause of DTC P140E on a BMW is a low fuel level in the tank. This can lead to inadequate fuel pressure reaching the fuel injectors, resulting in cylinder injection cut-off and related symptoms.
BMW DTC P140E seriousness
While DTC P140E is not a critical fault that poses an immediate danger to the vehicle, it can lead to drivability issues and reduced engine performance. Ignoring this fault code can potentially cause further damage to the engine over time.
How to diagnose DTC P140E on BMW
To diagnose DTC P140E on a BMW, a diagnostic scan tool can be used to retrieve the fault code and check for any related codes. Additionally, checking the fuel level in the tank and verifying fuel pressure at the injectors can help confirm the cause of the issue.
How to fix DTC P140E on BMW
To fix DTC P140E on a BMW, the first step is to refill the fuel tank to an adequate level. Clearing the fault code and driving the vehicle to ensure the symptoms do not reoccur is recommended. If the issue persists, further diagnosis may be required to check for any underlying fuel system problems.
How to erase DTC P140E on BMW
DTC P140E can be erased on a BMW using a diagnostic scan tool capable of clearing fault codes. Once the fuel level has been replenished and any underlying issues addressed, the fault code can be cleared to reset the Check Engine Light and monitor the system for any reoccurrence.
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.