All codes/P019E

P019E

Alternative Fuel Tank A Pressure Sensor Circuit

Moderate severity

Generic electrical fault on alternative fuel tank A pressure sensor (CNG, LPG, hydrogen).

Generic electrical fault on alternative fuel tank A pressure sensor (CNG, LPG, hydrogen).

Common causes

  • Sensor failed

    One of the most commonly reported causes for this code — check this first.

    high

    Typical part cost: $110-660

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First things to check

  1. 1Confirm the code with a scan tool and check for additional related codes.
  2. 2Inspect the relevant sensors, wiring, and connectors for damage or corrosion.

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Related codes

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Frequently asked questions

What does P019E mean?

P019E means "Alternative Fuel Tank A Pressure Sensor Circuit". It is a generic OBD-II code that points to a fault in the fuel & air metering.

What are the most common causes of P019E?

sensor failed — these are the most commonly reported causes. Verify with a proper diagnosis before replacing parts, or use the Wrenchify app for a vehicle-specific diagnosis.

Can I keep driving with this code?

The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical. Use the Wrenchify app for a full diagnosis specific to your vehicle.

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