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 the part of the car that helps cool the air going back into the engine. It's like a fan that isn't turning on when it should.
The P2425 code indicates an issue with the electrical circuit that controls the EGR cooling valve, which helps regulate the temperature of the exhaust gases recirculated back into the engine.
The Exhaust Gas Recirculation (EGR) system reduces nitrogen oxide emissions by recirculating a portion of the exhaust gases back into the engine cylinders. The EGR cooling valve helps cool these gases before they enter the engine. A P2425 code is set when the Engine Control Module (ECM) detects an open circuit or a fault in the EGR cooling valve control circuit.
• Check Engine Light is on
• Poor engine performance
• Increase in emissions
• Faulty EGR cooling valve
• Damaged or corroded wiring or connectors
• Blown fuse in the EGR cooling circuit
EGR: Exhaust Gas Recirculation
ECM: Engine Control Module
• Use an OBD-II scanner to confirm the code.
• Inspect the wiring and connectors for damage or corrosion.
• Test the EGR cooling valve for proper operation.
• Replace or repair damaged wiring or connectors.
• Replace the EGR cooling valve if faulty.
• Check and replace any blown fuses in the circuit.
• OBD-II scanner
• Multimeter
• Wrench set
$150 - $400
Moderate
• Ford F-150
• Chevrolet Silverado
• Toyota Camry
• Regular maintenance and inspection of the EGR system.
• Keep electrical connections clean and secure.
• Check for software updates from the manufacturer.
Engine Performance
• Avoid driving the vehicle until the issue is resolved to prevent further damage.
• Consult a professional mechanic for accurate diagnosis and repair.
Check with the vehicle manufacturer for warranty coverage on emissions-related components.
This code has been associated with issues in vehicles equipped with advanced EGR systems, especially in models with higher mileage.
Moderate – Addressing this issue promptly can prevent further engine performance problems.
Ignoring this code may lead to increased emissions, which can affect air quality and may not comply with local emissions regulations.
• Engine at operating temperature
• Vehicle stationary with engine idling
The EGR cooling valve is typically located near the engine, close to the EGR valve or cooler.
Q: Can I drive my car with a P2425 code?
A: It's not recommended to drive with this code active, as it can lead to increased emissions and potential engine damage.
Q: How can I prevent a P2425 code?
A: Regular maintenance of the EGR system and ensuring electrical connections are clean and secure can help prevent this code.
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