P1442 Mercury Code - EVAP System Small Leak Detected
Quick Answer
The P1442 code for Mercury vehicles indicates that the EVAP (Evaporative Emission Control) system has detected a small leak. Common causes include Loose or damaged gas cap, Cracked or damaged EVAP hoses, Faulty EVAP vent solenoid. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P1442 Mercury indicates EVAP System Small Leak Detected.
- Common causes
- Common causes include Loose or damaged gas cap, Cracked or damaged EVAP hoses, Faulty EVAP vent solenoid.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
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Code P1442 Mercury Description
The P1442 code for Mercury vehicles indicates that the EVAP (Evaporative Emission Control) system has detected a small leak. The EVAP system plays a crucial role in reducing harmful emissions from the vehicle by capturing and storing fuel vapors before they can escape into the atmosphere. When a small leak is detected in the EVAP system, it can lead to increased emissions and potentially affect the vehicle's performance.
Common Causes of P1442 Mercury
- Loose or damaged gas cap
- Cracked or damaged EVAP hoses
- Faulty EVAP vent solenoid
- Leaking charcoal canister
- Faulty EVAP purge valve
Symptoms of P1442 Mercury
- Check engine light illuminated on the dashboard
- Decreased fuel efficiency
- Strong fuel odor near the vehicle
- Hissing or hissing noises coming from the fuel tank area
- Difficulty starting the engine
How to Fix P1442 Mercury
- Begin by checking the gas cap for tightness and replacing it if necessary. A loose or damaged gas cap is a common cause of EVAP system leaks.
- Inspect the EVAP hoses for cracks, kinks, or other damage. Replace any faulty hoses to ensure a proper seal.
- Test the EVAP vent solenoid and purge valve for proper operation. Replace any faulty components as needed.
- Check the charcoal canister for leaks or damage. Replace the canister if necessary to prevent further leaks in the EVAP system.
- Clear the diagnostic trouble codes from the vehicle's computer to reset the check engine light and monitor the system for any recurring issues.
Cost to Fix P1442 Mercury
The cost estimate for repairing a P1442 code on a Mercury vehicle can vary depending on the specific cause of the issue. On average, the parts required for this repair can range from $50 to $200, with labor costs adding an additional $100 to $300. Overall, the total repair cost can fall between $150 to $500. It's important to note that these are rough estimates, and actual costs may differ based on factors such as location, vehicle make and model, and the mechanic's labor rates. It's recommended to consult with a professional mechanic for a more accurate cost estimate for your specific situation.
Tech Notes for P1442 Mercury
1997-1999 Mercury Tracer
1997-2000 Mercury Mystique
1997-2003 Mercury Grand Marquis
1997-2003 Mercury Sable
1999-2002 Mercury Cougar
1997-2003 Mercury Mountaineer
Mercury Factory Service Bulletin OBDII Code P1442
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Frequently Asked Questions about P1442 Mercury Code
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Discuss the causes and fixes for P1442 Mercury OBDII Code
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Have changed valve, Canister and tank hose. Light stayed out 7 days the came back same code. Any suggestions?
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What model and year is your vehicle? Sometimes small leaks can be difficult to find. Before replacing any other part, I recommend having a repair shop use a smoke machine to find the small leak. Have you check the gas cap?
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2004 Made the parts changes and the change it was 7 days before the light came back same code. Have had the code reset again to see how long before it reappears. thanks for your input, may have to get the smoke test.
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What model and year is your vehicle? Start by checking or replacing the gas cap.
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