Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
The car's computer is saying that one of the sensors that checks how clean the air is coming out of the engine is not working as fast as it should.
The oxygen sensor in the exhaust system is detecting changes in the air-fuel mixture too slowly, indicating a potential problem with the sensor or related components.
The P014E code indicates that the oxygen sensor on Bank 2, Sensor 1, is responding too slowly to changes in the air-fuel mixture from rich (too much fuel) to lean (too much air). This can affect engine performance and emissions.
• Check Engine Light is on
• Poor fuel economy
• Rough idle
• Faulty oxygen sensor
• Exhaust leaks
• Wiring issues or poor connections
Oxygen Sensor: A device that measures the amount of oxygen in the exhaust gases.
Rich: A condition where there is too much fuel and not enough air in the engine's air-fuel mixture.
Lean: A condition where there is too much air and not enough fuel in the engine's air-fuel mixture.
• Use an OBD-II scanner to confirm the code.
• Inspect the oxygen sensor and wiring for damage.
• Check for exhaust leaks near the sensor.
• Replace the faulty oxygen sensor.
• Repair any exhaust leaks.
• Fix any wiring issues or poor connections.
• OBD-II scanner
• Wrench set
• Multimeter
$150 - $300
Moderate
• Toyota Camry
• Ford F-150
• Chevrolet Silverado
• Regularly inspect and maintain the exhaust system.
• Check and replace oxygen sensors as needed.
• Ensure proper engine tuning.
Sensor Issue
• Address the issue promptly to avoid further damage.
• Consider professional diagnosis if unsure.
• Keep a regular maintenance schedule.
Oxygen sensors may be covered under the emissions warranty.
This code has been associated with aging oxygen sensors and exhaust system issues.
Moderate – It should be addressed soon to prevent potential engine performance issues.
Ignoring this code may lead to increased emissions and potential legal issues in areas with strict emissions regulations.
• Engine at operating temperature
• Vehicle in closed-loop operation
Bank 2 Sensor 1 is located in the exhaust system before the catalytic converter on the side of the engine with cylinder number 2.
Q: Can I drive with a P014E code?
A: It's possible to drive, but it's best to fix it soon to avoid engine performance issues.
Q: How do I know which sensor is Bank 2 Sensor 1?
A: Bank 2 is the side of the engine opposite cylinder 1, and Sensor 1 is the first sensor in the exhaust stream.
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Fitment Required · Vehicle-fitment part
Relevant when the code or supporting diagnostics point toward upstream or downstream oxygen-sensor faults.
This code family often involves upstream or downstream oxygen-sensor diagnosis.
Verify exact sensor position and vehicle fitment before buying.
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Fitment Required · Vehicle-fitment part
Relevant when catalyst-efficiency or emissions faults persist after proper diagnosis.
Catalyst-efficiency faults sometimes point toward converter problems after proper testing.
Catalytic converters are highly vehicle-specific and should not be purchased by code alone.
View options on AmazonThese parts may be related to this fault category, but a code by itself does not confirm exact fitment or guarantee that replacing a part will solve the problem.