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Home/Cars/Toyota/Camry/Seventh Generation (2012-2017)/how to fix P0455 code in Toyota Camry Seventh Generation (2012-2017)?

how to fix P0455 code in Toyota Camry Seventh Generation (2012-2017)?

Toyota Camry Seventh Generation (2012-2017)

Severity: highDifficulty: mediumError Code: P04552-4 hours
3 min read
553 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 P0455 code related to EVAP system leaks in Toyota Camry (2012-2017). Step-by-step guide with tools and procedures.

Error Code
P0455
Component
Fuel System
Repair Time
2-4 hours

Safety Warnings

  • ⚠Disconnect the battery before working on electrical systems.
  • ⚠Allow the engine to cool before inspecting the fuel system components.

Symptoms

  • •Check engine light illuminated
  • •Fuel smell near the vehicle
  • •Decreased fuel efficiency
  • •Difficulty starting or rough idle
  • •Increased emissions during testing

Diagnostic Steps

  1. 1Scan for error codes using an OBD-II scanner to confirm P0455 and check for any additional codes.
  2. 2Visually inspect the EVAP system components, including hoses and connections for cracks or disconnections.
  3. 3Use a smoke machine or a vacuum pump to check for leaks in the EVAP system.
  4. 4Inspect the gas cap for proper sealing and any signs of damage.
  5. 5Test the EVAP purge valve for functionality using a multimeter.
  6. 6Check the fuel tank for proper venting and inspect the charcoal canister for damage.

Solution

Solution

1. Preparation

  • Gather all necessary tools and parts.
  • Ensure the vehicle is parked on a level surface and the engine is cool.
  • Disconnect the negative battery terminal to avoid electrical issues during repairs.

2. Inspect and Replace the Gas Cap

  • Tools Required: None
  • Check the gas cap for cracks, wear, or improper sealing.
  • If damaged, replace it with a new gas cap that meets OEM specifications.

3. Repair or Replace EVAP Hoses

  • Tools Required: Pliers, socket set
  • Remove any damaged hoses by loosening the clamps with pliers and pulling them off.
  • Replace them with new hoses of the same diameter and length. Ensure all connections are secure.

4. Inspect and Replace the Charcoal Canister

  • Tools Required: Socket set, ratchet
  • Locate the charcoal canister, typically near the fuel tank.
  • Detach the electrical connector and the mounting bolts.
  • Remove the canister and inspect for cracks or blockages.
  • Replace with a new canister if damage is found.

5. Test and Replace the Purge Valve

  • Tools Required: Multimeter, socket set
  • Locate the purge valve in the engine bay.
  • Disconnect the electrical connector and test the valve with a multimeter for resistance.
  • If the valve is faulty, replace it with a new one.

6. Reassemble and Clear Codes

  • Reconnect all components, ensuring proper fit and tight connections.
  • Reconnect the negative battery terminal.
  • Use the OBD-II scanner to clear the P0455 code.

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
  • Pliers
  • Socket set
  • Multimeter

Parts Required

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

Additional Information

Error CodeP0455
Component

Fuel System

Repair Time

2-4 hours

Difficulty

medium

Severity

high

Tools

4 items

Parts

4 items

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