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 thinks the sensor that measures the temperature of the air going into the engine on one side is not working right. It's like a thermometer that's stuck and not changing when it should.
The P11B8 code indicates that the intake air temperature sensor 2 on bank 2 is not providing variable readings, suggesting it might be stuck at a certain value.
The intake air temperature sensor 2 is responsible for measuring the temperature of the air entering the engine on bank 2. This data helps the engine control module (ECM) adjust fuel delivery for optimal performance. A 'stuck' signal implies the sensor is not changing its output as expected, potentially due to a fault in the sensor or wiring.
• Check Engine Light on
• Poor fuel economy
• Rough idle
• Faulty intake air temperature sensor
• Wiring issues (e.g., short or open circuit)
• Connector problems (e.g., corrosion or loose connection)
Bank 2: The side of the engine that does not contain cylinder 1 in a V-type engine.
ECM: Engine Control Module, the computer that manages engine operations.
• Use an OBD-II scanner to confirm the code.
• Inspect the wiring and connectors of the intake air temperature sensor 2.
• Test the sensor with a multimeter for proper resistance values.
• Replace the intake air temperature sensor if faulty.
• Repair or replace damaged wiring or connectors.
• Clear the code and test drive the vehicle to ensure the issue is resolved.
• OBD-II scanner
• Multimeter
• Screwdriver set
$100 - $250
Moderate
• Ford F-150
• Chevrolet Silverado
• Toyota Camry
• Regularly inspect and clean sensors.
• Ensure wiring and connectors are secure and free from corrosion.
• Perform routine vehicle maintenance checks.
Sensor Issue
• Avoid driving the vehicle with a persistent check engine light.
• Have a professional mechanic inspect the vehicle if unsure.
• Keep a record of repairs for future reference.
Check with the vehicle manufacturer for warranty coverage on sensors.
This code has been known to occur in vehicles with higher mileage or those exposed to harsh environmental conditions.
Moderate – It should be addressed soon to avoid potential engine performance issues.
Driving with a malfunctioning sensor can lead to increased emissions and potential safety risks.
• Engine at operating temperature
• Vehicle parked and engine off
The intake air temperature sensor 2 is located in the air intake duct or manifold on bank 2 of the engine.
Q: Can I drive with a P11B8 code?
A: It's possible, but not recommended as it can affect engine performance and fuel economy.
Q: How do I reset the check engine light after fixing the issue?
A: You can use an OBD-II scanner to clear the code, or disconnect the battery for a few minutes.
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