P0442 on 2016-2022 Nissan Rogue: Causes and Fixes for Small EVAP Leaks

What's Unique About the 2016-2022 Nissan ROGUE

On Nissan vehicles, including the Rogue, the EVAP system components are well-known failure points. Nissan has issued several Technical Service Bulletins (TSBs), most notably the NTB13-097 series, that provide a standardized diagnostic procedure for EVAP leak codes like P0442, P0455, and P0456 across most of its 2012-and-newer models. These TSBs explicitly state that a loose fuel filler cap is a primary cause and that test drives are not an effective diagnostic method for these codes. The most frequently failing part, aside from the gas cap, is the EVAP vent control valve, which can get stuck or fail due to dirt and corrosion. A forum member noted that Nissan updated the design of this valve, suggesting an acknowledgment of a flaw in the original part.

Diagnostic Flowchart

Tap your situation to follow the diagnostic path that matches what you're seeing on this vehicle.

Generation note: The 2016-2022 year range covers two generations of the Nissan Rogue: the second generation (T32, 2016-2020) and the third generation (T33, 2021-2022). While the fundamental operation of the EVAP system is similar, specific part locations and part numbers may differ. 🎬 Watch: How to replace both the vent and purge valves. For example, the T32 and T33 have different purge valve part numbers. However, the common causes, such as the gas cap and vent control valve, are consistent issues across both generations.

Symptoms You May Notice

• Check Engine Light is on
• A faint fuel smell (in some cases)
• Long crank time after refueling (if the purge valve is stuck open)

Most Likely Causes

1. Loose or Faulty Gas Cap 🔴 High Probability This is the most common cause for EVAP codes on any vehicle. The rubber seal on the cap can crack or get dirty over time, preventing a proper seal. Nissan's own TSBs identify a loose or faulty cap as the primary suspect for these codes and instruct technicians to check it first.
   How to confirm: Inspect the gas cap for any visible cracks or damage to the seal. Ensure it is tightened until it clicks at least once. If the seal is worn or damaged, the cap should be replaced.
   Typical fix: Tighten or replace the fuel filler cap. It is highly recommended to use an OEM (Original Equipment Manufacturer) cap from Nissan, as aftermarket caps can sometimes cause sealing issues. After replacing, you may need to clear the code with a scanner or wait several drive cycles for the light to turn off. 🎬 See this step-by-step guide to fixing gas cap leaks.
   Est. part cost: $25-$50
2. Faulty EVAP Vent Control Valve 🔴 High Probability This is a very common failure point on Nissans. The valve is located near the charcoal canister at the rear of the vehicle (passenger side) and is exposed to road debris and moisture, causing it to stick open or closed. A related TSB (NTB17-082) points to the O-ring on this valve as a specific source for EVAP leaks.
   How to confirm: The valve can be tested with a capable scan tool to command it open and closed. You can also apply 12v power to it and listen for a click. A smoke test is the most definitive way to confirm if the valve is leaking when it should be closed.
   Typical fix: Replace the EVAP vent control valve. On the Rogue, this involves removing a plastic shield under the rear of the vehicle on the passenger side to access the valve on the canister. One owner on a forum noted the replacement part had an updated design, indicating a known issue with the original.
   Est. part cost: $50-$120
3. Cracked or Disconnected EVAP Hose 🟡 Medium Probability Rubber hoses, particularly in the engine bay, become brittle over time due to heat and age, leading to small cracks that can be difficult to see.
   How to confirm: A visual inspection may reveal obvious cracks, but a smoke test is the most effective way to find a small leak in a hose. A simple DIY check involves removing a vacuum hose and squeezing it; if you see cracks appear, the hose is bad and needs replacement.
   Typical fix: Replace the damaged section of the hose. Silicone vacuum lines can be a durable replacement for standard rubber.
   Est. part cost: $10-$50
4. Faulty EVAP Canister Purge Valve ⚪ Low Probability While less common than the vent valve, the purge valve (located in the engine bay) can get stuck open, causing a leak. If it sticks open, it can also cause long crank times after refueling.
   How to confirm: With the engine off, try to blow through the valve; no air should pass when it's de-energized. You can also apply 12v power to see if the solenoid clicks. If it clicks but still leaks, the internal seal has failed.
   Typical fix: Replace the purge valve. It is typically located in the engine compartment, mounted to the intake manifold, and held by two 10mm bolts.
   Est. part cost: $30-$90

Rare But Worth Checking

• Cracked EVAP Charcoal Canister: The plastic housing of the canister can develop small cracks from road debris or age, causing a leak. This is usually found with a smoke test after other, more common components have been ruled out.
• Leaking Fuel Tank Filler Neck: Rust and corrosion on the filler neck where the gas cap seals can create an imperfect seal, leading to a leak. This is more common in regions that use road salt. Owners have fixed this by using a wire brush to clean the sealing surface of the filler neck until it is smooth.

Diagnosis Steps

1. Check the gas cap. Remove it, inspect the seal for damage, and reinstall it, ensuring it clicks several times. Clear the code and drive for a few days to see if it returns.
2. If the code returns, replace the gas cap with an OEM part from Nissan. Aftermarket caps are a frequent source of EVAP codes.
3. Inspect the fuel filler neck for rust or corrosion on the sealing surface. If present, clean it thoroughly with a wire brush.
4. Perform a thorough visual inspection of all accessible EVAP hoses and lines, especially in the engine bay. Look for any obvious cracks, disconnections, or damage. Squeeze rubber hoses to see if cracks appear.
5. Locate and inspect the EVAP canister purge valve in the engine compartment. Check its wiring and hoses.
6. Locate and inspect the EVAP vent control valve and charcoal canister under the rear of the vehicle, near the fuel tank on the passenger side. Check for cracks, damage, or corrosion on the valve and canister.
7. If no obvious issues are found, the most reliable method for finding the leak is to have a smoke test performed. A machine fills the EVAP system with visible smoke, and the leak will be where the smoke escapes.
🎬 Watch: How to find a small EVAP leak using smoke.

Parts You'll Likely Need

• Fuel Filler Cap (OEM #17251-4BA0A (T32, 2014-2016), 17251-4BA0B (T32, 2017-2020)) — This is the most common and easiest fix. The seal wears out over time, causing a leak. Using an OEM cap is critical.
  Trusted brands: Nissan OEM
  OEM price range: $25-$40
  Aftermarket price range: $15-$30
• EVAP Vent Control Valve (OEM #14935-JF00E (replaces earlier versions like 14935-JF00A/B/C/D)) — A very common failure item on Nissan vehicles that gets stuck due to dirt and corrosion, causing a leak. Located on the EVAP canister at the rear of the vehicle.
  Trusted brands: Bosch, Hitachi, Nissan OEM
  OEM price range: $80-$120
  Aftermarket price range: $50-$90
• EVAP Canister Purge Valve (OEM #14930-JA10E (T32, 2016+), 14930-6CA0A (T33, 2021+)) — Less common than the vent valve, but can fail by sticking open and causing a constant small leak, sometimes with a long-crank-after-refueling symptom.
  Trusted brands: Denso, Delphi, Nissan OEM
  OEM price range: $60-$90
  Aftermarket price range: $30-$70

Related Codes That Often Appear With This One

• P0455 — Indicates a large EVAP leak. If both codes are present, it could point to a component that has failed completely, like a very loose gas cap or a disconnected hose.
• P0456 — Indicates a very small EVAP leak. These codes are closely related and point to the same system, just a different leak size threshold. The diagnostic process is identical. An owner reported their issue started as a P0456 and progressed to a P0442 as the leak worsened over time.

Technical Service Bulletins (TSBs) & Recalls

• NTB13-097J: EVAP LEAK DTC P0442, P0455, P0456 INFORMATION (Feb 2022)
• NTB13-097g: ALL MODEL YEAR 2012 AND NEWER NISSAN VEHICLES; EVAP LEAK DTC P0442, P0455, P0456 INFORMATION (Jan 2019)
• NTB17-082E: DTC P0456 CAUSED BY EVAP LEAK AT VENT CONTROL VALVE O-RING

Platform-Specific Known Issues

• Nissan has issued multiple versions of a Technical Service Bulletin (NTB13-097) regarding EVAP leak codes P0442, P0455, and P0456 for all 2012 and newer models, including the Rogue. The TSB outlines a specific diagnostic flowchart for dealers to follow, emphasizing that a loose fuel cap is a primary cause and that test drives are not effective for diagnosing these codes. The bulletin also warns dealers that any parts replaced under warranty will be inspected, and if found to be functional, the co

Mechanic-Grade Diagnostic Values

• EVAP Canister Purge Valve Solenoid Resistance — expected: 15 to 30 Ohms. Failure: A reading that is significantly higher, lower, or infinite (open circuit) indicates a faulty solenoid coil.
• EVAP Vent Control Valve Solenoid Resistance — expected: 20 to 50 Ohms. Failure: An open circuit (infinite resistance) or a reading far outside this range suggests the internal coil has failed.
• Fuel Tank Pressure (FTP) Sensor Voltage (Key On, Engine Off) — expected: Approximately 2.5 Volts. Failure: A reading of 5V or 0V indicates a circuit problem. A reading that doesn't change when vacuum is applied suggests a faulty sensor.

Scan Tool Commands That Help

• Nissan CONSULT or advanced aftermarket scanner: EVAP System Leak Check / Vent Valve Control — This is a critical step before performing a smoke test. The command closes the normally-open EVAP vent valve, sealing the system. This allows the system to be pressurized with smoke to find the leak. Without this command, smoke would simply exit through the open vent valve.
• Nissan CONSULT or advanced aftermarket scanner: Purge Volume Control Valve Test — This function commands the purge valve to open and close. While monitoring fuel trims or vacuum, a technician can confirm if the valve is responding correctly and not stuck. A valve stuck open can cause a lean condition or a rough idle, while one stuck closed will not purge vapors.

Wiring & Ground Locations

• EVAP Canister Purge Valve Connector — In the engine bay, typically mounted on or near the intake manifold.. This is the connection point for testing the purge valve's resistance and for verifying it receives a 12V signal with the key on. A corroded or loose connector can prevent the valve from operating.
• EVAP Vent Control Valve Connector — Under the rear of the vehicle on the passenger side, attached to the charcoal canister.. This connector is exposed to road spray and debris, making it a potential point of failure due to corrosion. It's where a technician would apply 12V to manually test the valve or check for power from the ECM.
• Fuel Tank Pressure (FTP) Sensor Connector — Typically on top of the fuel tank or on the EVAP canister assembly.. This 3-wire connector provides the 5V reference, ground, and signal return for the sensor that detects the leak. A bad connection here can cause false codes like P0452 or P0453, or prevent the system from accurately testing for leaks, leading to a P0442.

Real Owner Repair Stories

• YouTube video by 'Merry Frankster' (2006 Toyota Highlander (demonstrates a common issue applicable to Nissan Rogues)) — Multiple EVAP codes, including P0442.
  ❌ Tried (didn't work) Replacing the gas cap.
  ✅ What actually fixed it A smoke test revealed the new gas cap was sealing correctly, but smoke was escaping from multiple pinholes in the fuel filler neck caused by rust. The entire filler neck assembly had to be replaced to fix the leak.

"I Checked Everything" — The Actual Cause

• A common scenario is passing a smoke test but the code returns. This can happen if the EVAP vent control valve is tested while cold and seals properly, but begins to leak when it warms up during vehicle operation. Another possibility is an intermittent failure in the Fuel Tank Pressure (FTP) sensor, which may not be caught during a static test but fails under specific driving conditions, falsely reporting a leak.

OEM Part Supersession History

• 14935-JF00A, 14935-JF00B, 14935-JF00C, 14935-JF00D → 14935-JF00E (and later 14935-JF02C) — The EVAP vent control valve is a high-failure part across many Nissan models. The multiple revisions suggest design improvements to enhance durability and prevent sticking, likely by improving the solenoid's resistance to dirt and moisture intrusion.

Model Year Variations Within This Range

• 2021-2022 (T33 Generation): The introduction of the 1.5L VC-Turbo engine in 2022 changed the engine bay layout. The EVAP purge valve (P/N 14930-6CA0A) and its hose routing differ from the 2.5L engine used in the 2016-2020 T32 models.