Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
This code means there's a problem with a sensor that checks how hot the exhaust gases are in a specific part of your car's engine.
The code P2034 indicates an issue with the exhaust gas temperature sensor circuit, specifically for bank 2, sensor 2. This sensor measures the temperature of the exhaust gases to help control emissions and protect engine components.
The exhaust gas temperature sensor (EGT) is used to monitor the temperature of the exhaust gases leaving the engine. It is crucial for ensuring optimal engine performance and emissions control. Bank 2 refers to the side of the engine that does not contain cylinder 1, and sensor 2 is typically located further down the exhaust stream. A fault in this sensor's circuit can lead to incorrect temperature readings, affecting engine management and emissions systems.
• Check Engine Light illuminated
• Poor fuel economy
• Potential increase in emissions
• Faulty exhaust gas temperature sensor
• Wiring issues such as shorts or open circuits
• Connector problems or corrosion
Bank 2: The side of the engine opposite to where cylinder 1 is located.
Sensor 2: The second sensor in the exhaust system, typically located further downstream.
• Use an OBD-II scanner to verify the code
• Inspect the wiring and connectors for damage or corrosion
• Test the exhaust gas temperature sensor with a multimeter
• Replace the faulty exhaust gas temperature sensor
• Repair or replace damaged wiring or connectors
• Clear the code and test drive to ensure the issue is resolved
• OBD-II scanner
• Multimeter
• Basic hand tools (e.g., screwdrivers, wrenches)
$100 - $300
Moderate
• Ford F-150
• Chevrolet Silverado
• Dodge Ram 1500
• Regular maintenance checks
• Inspect and clean connectors periodically
• Use quality fuel to prevent sensor fouling
Sensor Issue
• Address the issue promptly to avoid further damage
• Consult a professional if unsure about repairs
Check if the sensor is covered under the vehicle's emissions warranty.
This code has been associated with sensor failures due to harsh environmental conditions and poor maintenance.
Moderate – It should be addressed to ensure proper engine performance and emissions control.
Ignoring this code may lead to increased emissions, potentially violating emissions regulations.
• Engine at operating temperature
• Vehicle stationary or on a lift
The sensor is located in the exhaust system on the side of the engine opposite cylinder 1, typically downstream of the catalytic converter.
Q: Can I drive with a P2034 code?
A: It's possible to drive, but it's not recommended as it can lead to increased emissions and potential engine damage.
Q: How can I prevent P2034 from occurring?
A: Regular maintenance and inspection of the exhaust system and sensors can help prevent this issue.
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Universal · Digital multimeter
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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.