P019D
O2 Sensor Delayed Response - Lean to Rich Bank 2 Sensor 3
P019D is an OBD-II diagnostic trouble code meaning: O2 Sensor Delayed Response - Lean to Rich Bank 2 Sensor 3. Common causes: worn or dirty oxygen sensor, problems in the sensor wiring harness. Estimated repair cost: $56–167.
Symptoms
- Increased fuel consumption
- Unstable idle
- Reduced engine power
- Check Engine light comes on
Causes
- Worn or dirty oxygen sensor
- Problems in the sensor wiring harness
- Sensor control circuit malfunction
- Low fuel quality
- Leaks in the exhaust system
How to Fix
- Check the oxygen sensor for contamination or damage
- Check sensor wiring harness and connectors
- Check sensor control circuit
- If necessary, replace the oxygen sensor
- Check the exhaust system for leaks
Related codes
Error P019D by Vehicle Brand
FAQ
What does the P019D code mean?
P019D is an OBD-II diagnostic trouble code that indicates: O2 Sensor Delayed Response - Lean to Rich Bank 2 Sensor 3
What causes a P019D error code?
The most common causes of P019D include: Worn or dirty oxygen sensor; Problems in the sensor wiring harness; Sensor control circuit malfunction; Low fuel quality.
How do I fix a P019D diagnostic trouble code?
To fix P019D: Check the oxygen sensor for contamination or damage. Check sensor wiring harness and connectors. Check sensor control circuit. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P019D?
Limited driving only, diagnose soon
How much does it cost to fix P019D?
The estimated repair cost for P019D is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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