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my Toyota Corolla E170 (2013-2019) has a strong gasoline smell when parked - Toyota Corolla
Home/Cars/Toyota/Corolla/E170 (2013-2019)/my Toyota Corolla E170 (2013-2019) has a strong gasoline smell when parked

my Toyota Corolla E170 (2013-2019) has a strong gasoline smell when parked

Toyota Corolla E170 (2013-2019)

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

⚠️ Safety Warning

This issue requires immediate attention. If you are not experienced with automotive repairs, consult a professional mechanic. Working on critical systems can be dangerous.

Problem Statement

Learn how to diagnose and fix a strong gasoline smell in your 2013-2019 Toyota Corolla E170. Step-by-step guide with diagnostic procedures 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 the fuel system.
  • •Allow the engine to cool before inspecting or replacing components to avoid burns.

Symptoms

  • •Strong gasoline odor near the vehicle
  • •Gasoline pooling under the vehicle
  • •Check engine light illuminated
  • •Decreased fuel efficiency
  • •Fuel odor inside the cabin
  • •Dampness or stains around fuel lines or connections

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
  • •Socket set
  • •Torque wrench
  • •Fuel line disconnect tool
  • •Fuel pressure gauge
  • •Rags for spills

Parts Required

  • •Fuel lines
  • •Fuel injector seals
  • •Fuel pressure regulator

Additional Information

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

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Solution
1. Preparation
  • Ensure the vehicle is parked on a level surface and the engine is cool.
  • Disconnect the battery to prevent any electrical issues during repair.
  • Gather necessary tools and parts.
2. Inspect and Replace Damaged Fuel Lines
  • Tools Required: Socket set, torque wrench, fuel line disconnect tool, rags for spills.
  • Inspect the fuel lines for cracks or wear.
  • If damage is found, use the fuel line disconnect tool to remove the affected section.
  • Replace with new fuel line, ensuring it matches OEM specifications.
  • Torque the fittings to the manufacturer’s specifications.
3. Examine and Replace Fuel Injector Seals
  • Tools Required: Socket set, pick tool, rags for spills.
  • Remove the engine cover (if applicable).
  • Disconnect the fuel injector electrical connectors.
  • Remove the fuel rail bolts and gently lift the fuel rail to access the injectors.
  • Inspect the injector seals for damage and replace them if necessary.
  • Reinstall the fuel rail and ensure all connections are secure.
4. Check and Replace the Fuel Pressure Regulator (if needed)
  • Tools Required: Socket set, fuel pressure gauge, rags for spills.
  • Locate the fuel pressure regulator on the fuel rail.
  • Disconnect the vacuum line and electrical connector from the regulator.
  • Remove the regulator and inspect for leaks.
  • If faulty, replace with a new unit, ensuring proper orientation and connections.
  • Reconnect the vacuum line and electrical connector.
5. Final Checks
  • Reconnect the battery and start the engine.
  • Allow the vehicle to idle and check for any fuel leaks or odors.
  • If no leaks are detected, perform a test drive to further verify the repair.