Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
This code means that the car's computer is having trouble reading the temperature of the exhaust gases coming out of the engine. It's like a thermometer for the car's exhaust, and it's not working right.
The P2080 code indicates that the signal from the exhaust gas temperature sensor is not within the expected range, which could affect engine performance and emissions.
The exhaust gas temperature sensor measures the temperature of the exhaust gases to help the engine control module (ECM) manage emissions and performance. If the sensor's readings are outside the expected range, the ECM cannot accurately control the engine's operation, leading to potential performance issues.
• Check Engine Light is on
• Poor fuel economy
• Reduced engine performance
• Faulty exhaust gas temperature sensor
• Wiring issues or poor connections in the sensor circuit
• Exhaust leaks affecting sensor readings
ECM: Engine Control Module
OBD-II: On-Board Diagnostics II
• Use an OBD-II scanner to confirm the code
• Inspect the wiring and connections to the sensor
• Test the exhaust gas temperature sensor for proper operation
• Replace the faulty exhaust gas temperature sensor
• Repair or replace damaged wiring or connectors
• Fix any exhaust leaks
• OBD-II scanner
• Multimeter
• Basic hand tools
$100 - $300
Moderate
• Volkswagen Jetta
• Audi A4
• Ford F-250
• Regularly inspect exhaust system for leaks
• Ensure sensor connections are clean and secure
• Perform routine vehicle maintenance
Sensor Issue
• Do not ignore the Check Engine Light; get it checked promptly.
• Have a professional diagnose the issue if you're unsure.
• Maintain regular vehicle service to prevent similar issues.
Check with your vehicle manufacturer for specific warranty coverage on emissions-related components.
This code has been more common in vehicles with advanced emissions control systems, particularly in diesel engines.
Moderate – While the vehicle may still be drivable, it's important to address this issue to avoid potential damage to the emissions system.
Ignoring emissions-related codes may result in failing emissions tests and can contribute to environmental pollution.
• Engine at operating temperature
• Vehicle running under normal driving conditions
The exhaust gas temperature sensor is typically located in the exhaust manifold or exhaust pipe, upstream of the catalytic converter.
Q: Can I drive my car with a P2080 code?
A: While you may be able to drive the car, it's best to address the issue promptly to avoid further damage.
Q: How can I reset the Check Engine Light after fixing the issue?
A: You can use an OBD-II scanner to clear the code, or the light may turn off after several drive cycles if the problem is resolved.
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Universal · Digital multimeter
A solid entry-level multimeter for voltage, continuity, resistance, and basic electrical troubleshooting.
Helpful for checking voltage drops, grounds, and basic circuit health when modules are not communicating.
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Universal · Wire connectors and repair kit
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 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.