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 noticing that one of the sensors, which checks how much fuel is being used, is not working as fast as it should. It's like when someone is slow to answer a question.
This code indicates that the oxygen sensor located on Bank 1 Sensor 2 is taking too long to switch from a rich mixture (too much fuel) to a lean mixture (not enough fuel).
The P013E code is triggered when the Engine Control Module (ECM) detects that the downstream oxygen sensor (Bank 1 Sensor 2) is not switching from rich to lean as quickly as expected. This sensor monitors the efficiency of the catalytic converter by measuring the oxygen content in the exhaust gases.
• Check Engine Light illuminated
• Decreased fuel efficiency
• Rough engine idle
• Faulty oxygen sensor
• Exhaust leaks
• Wiring issues or poor electrical connections
Oxygen Sensor: A device that measures the amount of oxygen in the exhaust gases.
Bank 1: The side of the engine with cylinder 1, in a V-type engine.
• Use an OBD-II scanner to confirm the code.
• Inspect the oxygen sensor and its wiring for damage.
• Check for exhaust leaks near the sensor.
• Replace the faulty oxygen sensor.
• Repair any exhaust leaks.
• Fix or replace damaged wiring or connectors.
• OBD-II scanner
• Multimeter
• Wrench set
$150 - $300
Moderate
• Toyota Camry
• Honda Accord
• Ford F-150
• Regularly inspect and maintain the exhaust system.
• Ensure timely replacement of oxygen sensors.
• Avoid using low-quality fuel.
Sensor Issue
• Get the vehicle checked by a professional mechanic.
• Avoid ignoring the Check Engine Light.
• Monitor fuel efficiency for any changes.
Oxygen sensors may be covered under emissions warranty. Check with your vehicle manufacturer.
Oxygen sensor issues have been common with modern vehicles as emissions standards have become stricter.
Moderate – It should be addressed soon to avoid further engine or emissions system problems.
Driving with a faulty oxygen sensor can lead to increased emissions and potential fines in areas with strict emissions laws.
• Engine at operating temperature
• Vehicle at idle
Bank 1 Sensor 2 is located after the catalytic converter on the exhaust system of the engine's first bank.
Q: Can I drive with a P013E code?
A: You can drive for a short period, but it's best to fix it soon to avoid further issues.
Q: How often should I replace my oxygen sensor?
A: Oxygen sensors typically last between 60,000 to 90,000 miles, but check your vehicle's manual for specifics.
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Useful when diagnosis points toward damaged wiring, corroded terminals, or connector repairs.
Useful if diagnosis points toward damaged connectors, wiring, or terminal repairs.
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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.