P0402 2009 Ford Fusion Code - Exhaust Gas Recirculation Flow Excessive Detected
Quick Answer
The EGR system is monitored for undesired EGR flow during idle. Common causes include EGR volume control valve stuck open, Faulty EGR volume control valve, EGR solenoid valve harness is open or shorted. Severity is Moderate - service should be scheduled soon. The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.
- What it means
- P0402 2009 Ford Fusion indicates Exhaust Gas Recirculation Flow Excessive Detected.
- Common causes
- Common causes include EGR volume control valve stuck open, Faulty EGR volume control valve, EGR solenoid valve harness is open or shorted.
- Severity
- Moderate - service should be scheduled soon.
- Can I drive?
- The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.
Code P0402 2009 Ford Fusion Description
What are the Possible Causes of the DTC P0402 2009 Ford Fusion?
- EGR volume control valve stuck open
- Faulty EGR volume control valve
- EGR solenoid valve harness is open or shorted
- EGR solenoid valve circuit poor electrical connection
- Faulty EGR temperature sensor and circuit
How to Fix the DTC P0402 2009 Ford Fusion?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0402 2009 Ford Fusion code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
Need more information about the P0402 2009 Ford Fusion code?
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Frequently Asked Questions about P0402 2009 Ford Fusion Code
1. What are common symptoms of OBDII code P0402 on a 2009 Ford Fusion?
The common symptoms include rough idling, decreased fuel efficiency, engine knocking or pinging, and the illumination of the Check Engine Light.
2. What are the possible causes of OBDII code P0402 on a 2009 Ford Fusion?
Possible causes include a faulty EGR valve, clogged EGR passages, a malfunctioning EGR temperature sensor, or a problem with the EGR solenoid.
3. How can I diagnose the issue causing OBDII code P0402 on my 2009 Ford Fusion?
You can start by visually inspecting the EGR system components, checking for vacuum leaks, testing the EGR valve, and scanning the EGR system for any blockages or malfunctions.
4. Can driving with OBDII code P0402 on a 2009 Ford Fusion cause further damage to the vehicle?
Continued driving with P0402 can potentially lead to engine damage over time, as the excessive recirculation of exhaust gases can affect engine performance and emissions.
5. Is it safe to ignore OBDII code P0402 on a 2009 Ford Fusion?
It is not recommended to ignore this code, as it can result in poor engine performance, increased emissions, and potential long-term damage to the vehicle.
6. How much does it typically cost to repair OBDII code P0402 on a 2009 Ford Fusion?
The cost of repair can vary depending on the root cause of the issue, but it can range from $100 to $500 or more, including parts and labor.
7. Can I fix OBDII code P0402 on my 2009 Ford Fusion myself?
If you have the necessary tools and experience, you may be able to address some of the common causes of P0402 yourself, such as cleaning the EGR valve or replacing the EGR temperature sensor.
8. How urgent is it to address OBDII code P0402 on a 2009 Ford Fusion?
It is recommended to address this code as soon as possible to prevent further damage to the engine and ensure optimal vehicle performance and emissions.
9. Will resetting the Check Engine Light clear OBDII code P0402 on a 2009 Ford Fusion?
Resetting the Check Engine Light may temporarily turn it off, but if the underlying issue causing P0402 is not addressed, the code is likely to return.
10. How often does OBDII code P0402 occur in a 2009 Ford Fusion?
While the frequency of P0402 can vary, it is a common issue in vehicles with EGR systems, especially as they age and accumulate mileage.
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