P0442 2007 Ford Fusion Code - Evaporative Emission System Leak Detected Small Leak
Quick Answer
The Powertrain Control Module (PCM) monitors the complete evaporative emission (EVAP) control system for the presence of a small fuel vapor leak. Common causes include Missing or loose fuel cap, Incorrect fuel filler cap used, Fuel filler cap remains open or fails to close. Severity is Low - monitor the vehicle and repair when practical. The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.
- What it means
- P0442 2007 Ford Fusion indicates Evaporative Emission System Leak Detected Small Leak.
- Common causes
- Common causes include Missing or loose fuel cap, Incorrect fuel filler cap used, Fuel filler cap remains open or fails to close.
- Severity
- Low - monitor the vehicle and repair when practical.
- Can I drive?
- The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.
Code P0442 2007 Ford Fusion Description
What are the Possible Causes of the DTC P0442 2007 Ford Fusion?
- Missing or loose fuel cap
- Incorrect fuel filler cap used
- Fuel filler cap remains open or fails to close
- Foreign matter caught in fuel filler cap
- EVAP canister or fuel tank leaks
- EVAP system hose leaking
- Fuel tank leaking
How to Fix the DTC P0442 2007 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.
Code Tech Notes
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0442 2007 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.
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Frequently Asked Questions about P0442 2007 Ford Fusion Code
1. What does the OBDII code P0442 mean for a 2007 Ford Fusion?
P0442 indicates a small leak has been detected in the vehicle's evaporative emission control (EVAP) system.
2. What are common symptoms of the P0442 code in a 2007 Ford Fusion?
Symptoms may include the check engine light turning on, a possible fuel smell near the vehicle, and no noticeable performance issues in most cases.
3. What causes the P0442 code in a 2007 Ford Fusion?
Common causes include a loose or damaged gas cap, cracked or disconnected EVAP hoses, a faulty purge or vent valve, or a leaking EVAP canister.
4. Can a loose gas cap trigger the P0442 code?
Yes, a loose or improperly sealed gas cap is one of the most common reasons for this code.
5. How do I fix the P0442 code on my 2007 Ford Fusion?
Start by tightening or replacing the gas cap. If the code persists, inspect the EVAP system hoses, valves, and canister for leaks or damage.
6. Can I drive my 2007 Ford Fusion with a P0442 code?
Yes, the car is typically safe to drive. However, it’s best to address the issue promptly to avoid reduced fuel efficiency and possible emissions test failure.
7. How do I diagnose the P0442 code on a 2007 Ford Fusion?
Use an OBDII scanner to confirm the code, then visually inspect the gas cap, EVAP hoses, canister, and valves for damage or leaks.
8. How much does it cost to repair a P0442 code on a 2007 Ford Fusion?
Costs vary depending on the cause. Replacing a gas cap may cost $10-$30, while repairing EVAP system components can range from $100 to $600.
9. Will clearing the P0442 code fix the problem in a 2007 Ford Fusion?
Clearing the code will turn off the check engine light temporarily, but the issue will return if the underlying problem isn’t resolved.
10. Can extreme weather cause the P0442 code to appear?
Yes, extreme heat or cold can sometimes cause seals or hoses in the EVAP system to shrink or expand, potentially triggering the code.
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