P1419
Secondary Air System Air Mass Flow Sensor Disconnected or Stuck Signal
P1419 is an OBD-II diagnostic trouble code meaning: Secondary Air System Air Mass Flow Sensor Disconnected or Stuck Signal. Common causes: secondary air system air flow sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $17–56.
Symptoms
- Check Engine light comes on
- Increase in harmful emissions
- Reduced engine efficiency during cold start
- Possible misfires
- Unstable engine operation at idle
Causes
- Secondary air system air flow sensor malfunction
- Open or short circuit in the sensor circuit
- Poor contact in the sensor connector
- Engine control unit malfunction
- Mechanical damage to the secondary air system
How to Fix
- Check the integrity of the wiring to the sensor
- Check connections and contacts in the sensor connector
- Check the functionality of the air flow sensor
- Replace sensor if necessary
- Check the operation of the secondary air system
Related codes
Error P1419 by Vehicle Brand
FAQ
What does the P1419 code mean?
P1419 is an OBD-II diagnostic trouble code that indicates: Secondary Air System Air Mass Flow Sensor Disconnected or Stuck Signal
What causes a P1419 error code?
The most common causes of P1419 include: Secondary air system air flow sensor malfunction; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Engine control unit malfunction.
How do I fix a P1419 diagnostic trouble code?
To fix P1419: Check the integrity of the wiring to the sensor. Check connections and contacts in the sensor connector. Check the functionality of the air flow sensor. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1419?
Yes, but get it checked soon
How much does it cost to fix P1419?
The estimated repair cost for P1419 is $17–56. Actual cost depends on your vehicle, location, and labor rates.
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