DTC Code P00EB – What does this code mean?

<ul> <li><b>Engine Light ON (or Service Engine Soon Warning Light)</b>: The engine control module (ECM) detects a high voltage condition in the Intake Air Temperature Sensor 3 circuit. This triggers the engine light to alert the driver of a potential issue. <b>Potential causes</b> include a faulty Intake Air Temperature Sensor, damaged wiring or connectors, or a malfunctioning ECM.</li> <li><b>Poor Engine Performance</b>: The vehicle may experience reduced power, hesitation, or rough idling due to incorrect air temperature readings affecting the air-fuel mixture. <b>Potential causes</b> include a faulty sensor providing inaccurate data or issues in the sensor circuit.</li> <li><b>Increased Fuel Consumption</b>: Incorrect air temperature readings can lead to improper fuel injection, causing the engine to consume more fuel than necessary. <b>Potential causes</b> include a malfunctioning Intake Air Temperature Sensor or issues with the sensor's electrical circuit.</li> </ul>

<ul><li>The Intake Air Temperature (IAT) Sensor 3 may be faulty, often integrated with the Intake Manifold Pressure and Air Temperature Sensor.</li><li>The harness for the Intake Air Temperature Sensor 3 could be open or shorted, leading to incorrect voltage readings.</li><li>Poor electrical connections in the Intake Air Temperature Sensor 3 circuit can cause high voltage issues.</li><li>A malfunctioning Engine Control Module (ECM) might be sending or receiving incorrect signals from the sensor.</li></ul>

<ul> <li><b>Initial Inspection</b>: Inspect the intake air temperature sensor 3 and its wiring for any visible damage, corrosion, or disconnections.</li> <li><b>Check Sensor Voltage</b>: Using a multimeter, measure the voltage at the intake air temperature sensor 3 connector. Compare the reading to the manufacturer's specifications.</li> <li><b>Test Sensor Resistance</b>: Disconnect the sensor and measure its resistance. Compare the resistance value to the manufacturer's specifications to determine if the sensor is functioning correctly.</li> <li><b>Inspect Wiring and Connectors</b>: Check the wiring harness and connectors for continuity and proper connection. Look for any signs of wear, fraying, or corrosion.</li> <li><b>Check for Short Circuits</b>: Inspect the wiring for any short circuits to power or ground that could cause a high voltage reading.</li> <li><b>ECU Inspection</b>: If all previous steps are normal, inspect the Engine Control Unit (ECU) for any faults or issues that could be causing the high voltage reading.</li> <li><b>Clear DTC and Test Drive</b>: Clear the DTC code using a diagnostic scanner and perform a test drive to ensure the issue has been resolved. Monitor the sensor readings during the test drive.</li></ul>

<p>The DTC code P00EB indicates a high voltage issue in the Intake Air Temperature Sensor 3 circuit. This is a critical issue as it can lead to incorrect air-fuel mixture, causing poor engine performance and potential engine damage.</p><ul><li><b>Immediate Actions:</b> Inspect and replace the sensor if necessary.</li><li>Check the wiring and connectors for any signs of damage or corrosion.</li><li>Clear the code and test the system to ensure proper operation.</li></ul>