P16A7
Engine Control Module Self-Test Mass Air Flow Sensor Monitoring Fault
P16A7 is an OBD-II diagnostic trouble code meaning: Engine Control Module Self-Test Mass Air Flow Sensor Monitoring Fault. Common causes: malfunction of the mass air flow sensor (maf), open or short circuit in the air flow sensor circuit. Estimated repair cost: $28–89.
Symptoms
- Unstable engine idling
- Increased fuel consumption
- Reduced engine power
- Check Engine Light Is On
- Dips during acceleration
Causes
- Malfunction of the mass air flow sensor (MAF)
- Open or short circuit in the air flow sensor circuit
- Contamination of the air flow sensor
- Problems with the sensor connector
- Engine control module (ECU) malfunction
How to Fix
- Check the condition and connection of the mass air flow sensor
- Clean the mass air flow sensor (if possible)
- Check the integrity of the air flow sensor circuit
- Test the sensor using diagnostic equipment
- If necessary, replace the mass air flow sensor
Related codes
FAQ
What does the P16A7 code mean?
P16A7 is an OBD-II diagnostic trouble code that indicates: Engine Control Module Self-Test Mass Air Flow Sensor Monitoring Fault
What causes a P16A7 error code?
The most common causes of P16A7 include: Malfunction of the mass air flow sensor (MAF); Open or short circuit in the air flow sensor circuit; Contamination of the air flow sensor; Problems with the sensor connector.
How do I fix a P16A7 diagnostic trouble code?
To fix P16A7: Check the condition and connection of the mass air flow sensor. Clean the mass air flow sensor (if possible). Check the integrity of the air flow sensor circuit. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P16A7?
Yes, but get it checked soon
How much does it cost to fix P16A7?
The estimated repair cost for P16A7 is $28–89. Actual cost depends on your vehicle, location, and labor rates.
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