Question about 2003 Hyundai Accent
This DTC (P0442) depends on what caused the code to set. Most times it's simply a loose fuel cap or the O-ring on the fuel cap is damaged OR dirt got between the O-ring and the mating surface of the fuel filler tube. There are numerous possible causes for the DTC you have -- Fuel cap, pin hole in fuel system (evap hoses, fuel tank, fuel cap), canister close valve leaking, fuel tank pressure sensor malfunction, purge control solenoid valve malfunction, etc.
BEST SOLUTION: Take the vehicle into a Hyundai Service Center (dealership), pay the diagnostic fee. They will tell you EXACTLY what the problem is and what's needed to fix it (parts, labor, tax, time-frame, etc.). If you perfer to try and fix it yourself, Go to http://www.hmaservice.com/ and register (vehicle by VIN). Afterward, you'll have access to technical information (manuals, wiring diagrams, service bulletins, etc) about your vehicle.
Posted on Jun 20, 2009
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