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how to check for EVAP leaks in Honda Accord 9th Generation (2013-2017) - Honda Accord
Home/Cars/Honda/Accord/Eleventh Generation (2023-present)/how to check for EVAP leaks in Honda Accord 9th Generation (2013-2017)

how to check for EVAP leaks in Honda Accord 9th Generation (2013-2017)

Honda Accord Eleventh Generation (2023-present)

Error Codes
2-4 hours
Time
medium
Difficulty
medium
Severity
Navigation
ProblemSymptomsDiagnosisSolution
ProblemSymptomsDiagnosisSolution
3 min read
573 words

Problem Statement

Learn how to check for EVAP leaks in Honda Accord 9th Generation (2013-2017). Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Affected Component
Fuel System
Estimated Time
2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

  • •Disconnect the battery before working on electrical components.
  • •Allow the vehicle to cool down before inspecting the fuel system.

Symptoms

  • •Check engine light illuminated
  • •Fuel odor around the vehicle
  • •Poor fuel economy
  • •Failed emissions test
  • •Hissing sound from the fuel tank area

Diagnostic Steps

  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
  6. 6

Solution

💡 Expert Tip

For complex repairs like this, consider taking photos at each step. This helps if you need to reverse a step or consult with a mechanic. Also, keep all removed parts organized - you may need to reference them during reassembly.

Verification

After completing the repair, verify that the issue has been resolved:

  • ✓Test the affected component to ensure it functions correctly
  • ✓Check for any error codes or warning lights
  • ✓Monitor the vehicle for a few days to ensure the issue does not recur

Prevention Tips

To prevent this issue from occurring again:

  • •Follow the manufacturer's recommended maintenance schedule
  • •Address warning signs early before they develop into major issues
  • •Use quality parts and fluids recommended for your vehicle
  • •Keep detailed records of all repairs and maintenance

Tools & Equipment Required

  • •OBD-II scanner
  • •Smoke machine
  • •Basic hand tools (sockets, wrenches)
  • •Multimeter
  • •Vacuum cap set

Parts Required

  • •Replacement gas cap (if damaged)
  • •EVAP hoses (if damaged)
  • •Purge valve (if faulty)
  • •Charcoal canister (if damaged)

Additional Information

Affected Component
Fuel System
Estimated Time
2-4 hours
Difficulty
medium
Severity
medium
Tools Required
5 items
Parts Required
4 items

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Solution
1. Preparation
  • Gather tools and materials.
  • Ensure the vehicle is parked on a level surface.
  • Wear safety gloves and goggles.
2. Inspect Gas Cap
  • Remove the gas cap and visually inspect for cracks or damage.
  • Clean the sealing surface on the fuel filler neck.
  • Reinstall the gas cap and tighten it until you hear clicks.
3. Visual Inspection of EVAP System
  • Locate the EVAP hoses leading from the fuel tank to the engine compartment.
  • Check for any visible cracks, loose connections, or signs of deterioration.
  • Replace any damaged hoses with OEM parts.
4. Perform Smoke Test
  • Connect the smoke machine to the EVAP service port.
  • Seal the system using a vacuum cap on the fuel filler neck.
  • Turn on the smoke machine and look for smoke escaping from any leaks.
  • Repair any leaks found and retest.
5. Test Purge Valve
  • Locate the purge valve, usually found near the intake manifold.
  • Disconnect the electrical connector from the purge valve.
  • Apply battery voltage to the valve and listen for clicking sound indicating it is opening.
  • If it does not function, replace the purge valve.
6. Inspect Charcoal Canister
  • Remove the charcoal canister from its mounting location.
  • Inspect for cracks or damage on the canister's exterior.
  • Check the inlet and outlet ports for clogs or blockages.
  • Replace the canister if damaged or clogged.