AutoCodes - Nissan - P0442 2007 NISSAN ALTIMA

P0442 2007 NISSAN ALTIMA Code - EVAP Control System Leak Detected Small Leak

Repair Importance Level: 1/3
Repair Difficulty Level: 3/3
Table of contents

|P0442 2007 NISSAN ALTIMA code 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

|How do I fix the P0442 2007 NISSAN ALTIMA 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 connector's pins.

|P0442 2007 NISSAN ALTIMA code tech notes

The fuel tank filler cap and the Purge Volume Control Valve are the more common problems that will trigger the P0442 code on Nissan vehicles.

There is a factory Nissan service bulletin to help diagnose the P0442 code:
Nissan Factory Service Bulletin OBDII Code P0442

There is a factory Nissan service bulletin for the 2007 Nissan Altima Sedan:
2007 Nissan Altima Sedan Factory Service Bulletin OBDII Code P0442





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|Cost of diagnosing the P0442 2007 NISSAN ALTIMA code

Labor: 1.0

The cost of diagnosing the P0442 2007 NISSAN ALTIMA code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.

|When is the P0442 2007 NISSAN ALTIMA code detected?

Malfunction is detected when EVAP control system has a leak, EVAP control system does not operate properly.

|What are P0442 2007 NISSAN ALTIMA code possible symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)
  • Possible a noticeable fuel odor caused by the release of fuel vapors

|P0442 2007 NISSAN ALTIMA code description

The Engine Control Module (ECM) tests the Evaporative Emission (EVAP) system for the following conditions:
- Large and small leaks
- Excess vacuum
- Purge flow during non-commanded conditions
- Fuel Level and Fuel Pressure sensor faults
- EVAP Purge and Vent Valve faults
The ECM monitors the Fuel Tank Pressure sensor in order to determine the level of vacuum/pressure in the EVAP system. The ECM commands both the EVAP Purge Solenoid and the EVAP Vent Valve ON when the conditions are met in order to apply an engine vacuum to the EVAP system. The ECM commands the EVAP Purge Solenoid OFF once the system has reached a predetermined level of vacuum. This test verifies if a vacuum can be achieved in the EVAP system. Failure to develop a vacuum may be caused by a large leak or a restriction.
OBDII Code P0442 2007 Nissan Altima - EVAP Control System Leak Detected Small Leak - AutoCodes.com

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|P0442 2007 NISSAN ALTIMA code comments

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