P1442 NISSAN - Evaporative Emission Control System Leak Detected
P1442 NISSAN Possible Causes
- 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
First diagnose P1442 NISSAN code
Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded terminals.
Cost of diagnosing the P1442 NISSAN code
Labor: 1.0The cost of diagnosing the P1442 NISSAN code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.
When is the P1442 NISSAN code detected?Malfunction is detected when EVAP control system has a leak, EVAP control system does not operate properly.
P1442 NISSAN Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P1442 NISSAN MeaningThis diagnosis detects leaks in the EVAP purge line using of vapor pressure in the fuel tank. The EVAP canister vent control valve is closed to shut the EVAP purge line. The vacuum cut valve bypass valve will then be opened to clear the line between the fuel tank and the EVAP canister purge volume control solenoid valve. The EVAP control system pressure sensor can now monitor the pressure inside the fuel tank.
If pressure increases, the Engine Control Module (ECM) will check for leaks in the line between the vacuum cut valve and EVAP canister purge volume control solenoid valve.
P1442 NISSAN More InformationNeed more information on how to fix the P1442 NISSAN code?
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