BMW DTC P116C – Air Mass Flow Sensor Signal Range
DTC P116C meaning on BMW
DTC P116C on a BMW indicates an issue with the Air Mass Flow Sensor Signal Range. This fault code is triggered when the signal from the air mass flow sensor falls outside the expected range, affecting the engine’s air-fuel mixture.
BMW DTC P116C symptoms
Symptoms of DTC P116C on a BMW may include rough idling, poor acceleration, decreased fuel efficiency, and in some cases, the vehicle may go into limp mode. The Check Engine Light will also be illuminated on the dashboard.
BMW DTC P116C causes
The common causes of DTC P116C on a BMW include a faulty air mass flow sensor, a vacuum leak in the intake system, a dirty or clogged air filter, or issues with the wiring or connectors related to the sensor.
BMW DTC P116C seriousness
While DTC P116C may not cause immediate harm to the engine, it can lead to poor performance and decreased fuel efficiency. Ignoring this fault code can potentially cause further damage to the engine over time.
How to diagnose DTC P116C on BMW
To diagnose DTC P116C on a BMW, start by using a diagnostic scanner to retrieve the fault code. Inspect the air mass flow sensor for any visible damage or contamination. Check the intake system for leaks and ensure the air filter is clean. Test the sensor’s electrical connections for proper voltage and continuity.
How to fix DTC P116C on BMW
To fix DTC P116C on a BMW, you may need to replace the air mass flow sensor if it is faulty. Inspect and repair any vacuum leaks in the intake system. Clean or replace the air filter if necessary. Ensure all wiring and connectors related to the sensor are in good condition.
How to erase DTC P116C on BMW
After fixing the underlying issue causing DTC P116C on a BMW, you can use a diagnostic scanner to erase the fault code. This will reset the Check Engine Light and clear the code from the vehicle’s memory.
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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