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 thinks the temperature sensor for the EGR system isn't working right. It's like when a thermometer isn't showing the right temperature.
The EGR (Exhaust Gas Recirculation) temperature sensor monitors the temperature of the gases being recirculated in the engine. If the sensor's readings are outside the expected range, the computer triggers this code.
The P04E6 code is triggered when the Powertrain Control Module (PCM) detects a problem with the EGR temperature sensor D circuit. This could be due to an electrical issue, such as a poor connection, or a malfunctioning sensor that is providing readings outside the expected range.
• Check Engine Light is on
• Poor engine performance
• Increased emissions
• Engine knocking or pinging
• Faulty EGR temperature sensor
• Wiring issues in the sensor circuit
• Poor electrical connections
• Faulty PCM (rare)
EGR: Exhaust Gas Recirculation
PCM: Powertrain Control Module
• Use an OBD-II scanner to confirm the code.
• Inspect the EGR temperature sensor and its wiring for damage.
• Test the sensor's resistance and compare it to specifications.
• Check for any loose or corroded electrical connections.
• Replace the faulty EGR temperature sensor.
• 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
• Basic hand tools
$100 - $300
Moderate
• Ford F-150
• Chevrolet Silverado
• Toyota Camry
• Regularly inspect and maintain the EGR system.
• Ensure electrical connections are clean and secure.
• Use quality fuel to prevent carbon buildup.
Sensor Issue
• Address the issue promptly to avoid further engine damage.
• Consult a professional mechanic if unsure about repairs.
Check your vehicle's warranty for coverage on emission-related components.
This code has been associated with EGR system issues in vehicles with high mileage or poor maintenance.
Moderate – Should be addressed to prevent potential engine damage.
Ignoring emissions-related issues can lead to increased pollution and may not comply with local emissions regulations.
• Engine at operating temperature
• Vehicle in closed-loop operation
The EGR temperature sensor is typically located near the EGR valve on the engine.
Q: Can I drive with a P04E6 code?
A: It's possible to drive with this code, but it's not recommended as it can lead to engine performance issues.
Q: How do I clear a P04E6 code?
A: After repairs, use an OBD-II scanner to clear the code. If the issue is fixed, it should not return.
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