P116D
Air Mass Flow Sensor Signal Gradient Error
P116D is an OBD-II diagnostic trouble code meaning: Air Mass Flow Sensor Signal Gradient Error. Common causes: malfunction of the mass air flow sensor (maf), contamination or damage to the air flow sensor. Estimated repair cost: $28–89.
Symptoms
- Unstable engine idling
- Increased fuel consumption
- Loss of engine power
- Difficulty starting the engine
- Check Engine Light Is On
Causes
- Malfunction of the mass air flow sensor (MAF)
- Contamination or damage to the air flow sensor
- Problems with the wiring harness to the mass air flow sensor
- Poor contact in the MAF connector
- Air filter dirty
How to Fix
- Check the condition of the air filter and replace if necessary
- Clean the MAF sensor with a special cleaner
- Check the integrity of the wiring harness and contacts
- Check the MAF readings using a diagnostic scanner
- Replace the mass air flow sensor if the fault is confirmed
Related codes
FAQ
What does the P116D code mean?
P116D is an OBD-II diagnostic trouble code that indicates: Air Mass Flow Sensor Signal Gradient Error
What causes a P116D error code?
The most common causes of P116D include: Malfunction of the mass air flow sensor (MAF); Contamination or damage to the air flow sensor; Problems with the wiring harness to the mass air flow sensor; Poor contact in the MAF connector.
How do I fix a P116D diagnostic trouble code?
To fix P116D: Check the condition of the air filter and replace if necessary. Clean the MAF sensor with a special cleaner. Check the integrity of the wiring harness and contacts. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P116D?
Yes, but get it checked soon
How much does it cost to fix P116D?
The estimated repair cost for P116D is $28–89. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat