The P2487: Exhaust Gas Temperature Sensor Circuit High Bank 2 Sensor 5 refers to a condition where the exhaust gas temperature sensor (Bank 2 Sensor 5) is reporting a higher than expected voltage. This could be caused by a faulty sensor, issues in the circuit, or wiring and connector problems. Such errors can lead to incorrect exhaust temperature monitoring, which may affect vehicle performance and emissions.
P2487 – Quick Overview
| Code | Information |
|---|---|
| Meaning | P2487: Exhaust Gas Temperature Sensor Circuit High Bank 2 Sensor 5 |
| Is it serious? | Yes, this issue can lead to incorrect exhaust temperature readings, potentially causing inefficient engine performance and increased emissions. |
| Possible causes | – High voltage in the exhaust gas temperature sensor circuit for Bank 2 Sensor 5 – Faulty sensor – Wiring or connector issues |
| How to diagnose? | – Measure voltage in the exhaust gas temperature sensor circuit for Bank 2 Sensor 5 – Inspect and test the sensor and wiring – Replace faulty components if needed |
P2487 Meaning
The P2487: Exhaust Gas Temperature Sensor Circuit High Bank 2 Sensor 5 code indicates that the exhaust gas temperature sensor for Bank 2 Sensor 5 is detecting a voltage higher than the expected range. This high voltage may be caused by a malfunctioning sensor, issues with the wiring, or poor electrical connections. Such a condition can prevent accurate monitoring of exhaust temperatures, leading to decreased engine efficiency or potential damage to the exhaust system.
Step-by-step diagnostic guide
| Action | Description | Tools Needed |
|---|---|---|
| Check for Other Codes | Use an OBD-II scanner to determine if there are any other related codes that could indicate multiple or related issues. | OBD-II Scanner |
| Measure Voltage in Sensor Circuit | Measure the voltage in the exhaust gas temperature sensor circuit for Bank 2 Sensor 5 using a multimeter. Compare it to the manufacturer’s specification to verify if it is above the acceptable range. | Multimeter |
| Inspect the Sensor | Visually inspect the exhaust gas temperature sensor for signs of physical damage or improper fitting. Make sure it is securely connected without corrosion. | Flashlight, Safety Gloves |
| Test Sensor Resistance | Use a multimeter to measure the resistance of the sensor and compare it with manufacturer specifications to determine if it’s within the expected range. | Multimeter |
| Inspect Wiring and Connectors | Inspect the wiring and connectors for any signs of wear, damage, or corrosion that could cause a high voltage reading. Repair or replace faulty wiring as needed. | Flashlight, Multimeter |
| Verify Voltage Supply | Ensure the voltage supply to the sensor is within the appropriate range, as excessive supply voltage may lead to erroneous sensor readings. | Multimeter |
| Replace Faulty Components | If the sensor or wiring is found to be faulty, replace the components as necessary to restore proper operation of the circuit. | Replacement Sensor, Tools Set |
| Clear the Code and Test Drive | Clear the fault code using an OBD-II scanner and take the vehicle for a test drive to see if the problem has been resolved. | OBD-II Scanner, Vehicle Owner’s Manual |
| Recheck for Codes | After the test drive, re-scan the vehicle using the OBD-II scanner to verify that the P2487 code has not returned. If it reappears, further diagnostic procedures may be required. | OBD-II Scanner |
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Hi, I am Juraj “Yuri” Lukacko. I got frustrated by unhelpful and scammy mechanics, so I decided to learn everything about car diagnostics myself. I test dozens of new car diagnostic tools every month along with learning new strategies to fix and customize cars. About Juraj Lukacko (Yuri)