FAULTBASE
NEWSASKCars
© 2025 FAULTBASE
All rights reserved.
v2.0.0 • Production
ContactPrivacyImpressum
Home/Cars/Toyota/Camry/Eighth Generation (2018-present)/what does it mean if my Toyota Camry Eighth Generation (2018-present) has a P0302 code?

what does it mean if my Toyota Camry Eighth Generation (2018-present) has a P0302 code?

Toyota Camry Eighth Generation (2018-present)

Severity: highDifficulty: mediumError Code: P03022-4 hours
3 min read
593 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 P0302 cylinder 2 misfire in Toyota Camry. Step-by-step guide with diagnostic procedures and repair instructions.

Error Code
P0302
Component
Engine
Repair Time
2-4 hours

Safety Warnings

  • ⚠Disconnect the battery before working on electrical systems.
  • ⚠Allow the engine to cool before opening any components.

Symptoms

  • •Check engine light illuminated
  • •Engine running rough or shaking
  • •Decreased engine power or acceleration
  • •Poor fuel economy
  • •Increased emissions

Diagnostic Steps

  1. 1Scan the vehicle's computer using an OBD-II scanner to confirm the P0302 code and check for any related codes.
  2. 2Inspect the spark plug in cylinder 2 for wear or damage and replace it if necessary.
  3. 3Check the ignition coil for cylinder 2 for proper function and test for continuity.
  4. 4Perform a compression test on cylinder 2 to ensure it is within specifications.
  5. 5Inspect fuel injectors for clogs or failures that could affect fuel delivery to cylinder 2.
  6. 6Examine wiring and connectors related to the ignition system and fuel injector for any signs of damage or corrosion.

Solution

Solution

1. Preparation

  • Gather necessary tools and parts.
  • Disconnect the negative battery terminal to prevent electrical shorts.
  • Allow the engine to cool before proceeding.

2. Inspect and Replace Spark Plug

  • Tools Required: Socket set, torque wrench, spark plug socket
  • Remove the spark plug wire or ignition coil from cylinder 2.
  • Use the spark plug socket to carefully remove the spark plug.
  • Inspect the spark plug for damage or excessive carbon buildup.
  • Replace with a new spark plug, ensuring it is gapped to specifications.
  • Torque the spark plug to the manufacturer's specifications (usually around 13-15 lb-ft).

3. Check and Replace Ignition Coil

  • Tools Required: Socket set, multimeter
  • Remove the ignition coil from cylinder 2.
  • Test the ignition coil with a multimeter for proper resistance according to specifications.
  • If defective, replace with a new ignition coil.
  • Reinstall the ignition coil and ensure it is securely connected.

4. Perform Compression Test

  • Tools Required: Compression tester
  • Remove the spark plug from cylinder 2.
  • Insert the compression tester into the spark plug hole.
  • Crank the engine and record the compression reading.
  • Compare with the manufacturer's specifications; if low, further diagnosis is required.

5. Inspect Fuel Injector

  • Tools Required: Fuel injector cleaner or replacement injector
  • Disconnect the fuel injector connector for cylinder 2.
  • Use a multimeter to check for proper voltage at the injector connector.
  • If voltage is present but the injector is clogged, clean or replace the injector as needed.
  • Reconnect the injector and ensure it is seated properly.

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
  • Spark plug socket
  • Multimeter
  • Compression tester

Parts Required

  • Spark plug for cylinder 2
  • Ignition coil for cylinder 2
  • Fuel injector (if needed)

Additional Information

Error CodeP0302
Component

Engine

Repair Time

2-4 hours

Difficulty

medium

Severity

high

Tools

6 items

Parts

3 items

Related Faults

Discover similar issues

  1. Why does my Toyota Camry make a squeaking noise when I go over bumps?

    Learn how to diagnose and repair squeaking noises in your Toyota Camry, including symptoms, possible causes, and step-by-step instructions.

    Component:suspension, brakes, body panels
    Symptoms
    • •Squeaking noise occurs when driving over bumps or uneven surfaces.
    • •Noise may vary in intensity based on speed and the size of the bump.
    • +{count} more
  2. What does it mean if the "VSC" warning light is illuminated in my Camry?

    Learn about the VSC warning light in your Toyota Camry, its symptoms, diagnostic steps, and how to address the issue effectively.

    Component:Vehicle Stability Control System
    Symptoms
    • •VSC Light On
    • •Traction Control Light On
    • +{count} more
  3. How do I fix the fuel gauge malfunction in my 2021 Toyota Camry?

    Learn how to diagnose and fix fuel gauge malfunctions in your 2021 Toyota Camry with our step-by-step guide.

    Component:fuel level sensor
    Symptoms
    • •Inaccurate Fuel Reading
    • •Fluctuating Gauge
    • +{count} more
  4. What does it mean if the "Check Hybrid System" warning appears in my Camry?

    Learn about the 'Check Hybrid System' warning in your Toyota Camry, its symptoms, diagnostic steps, and repair instructions.

    Component:hybrid system
    Symptoms
    • •Warning Light Activation
    • •Reduced Power
    • +{count} more
  5. What should I do if my 2021 Toyota Camry has a strange smell coming from the vents?

    Learn how to diagnose and fix strange smells coming from the vents of your 2021 Toyota Camry with this step-by-step guide.

    Component:HVAC system
    Symptoms
    • •Unpleasant odors from the air conditioning or heating vents.
    • •The smell may be sweet (coolant), musty (mold), or burning (electrical).
    • +{count} more
  6. How can I troubleshoot the sound system in my 2019 Toyota Camry?

    Learn how to troubleshoot and resolve sound system issues in your 2019 Toyota Camry with detailed diagnostic steps and repair instructions.

    Component:sound system
    Symptoms
    • •No sound from speakers
    • •Distorted sound
    • +{count} more

Share this solution

Comments

Sign in to share your thoughts

Sign In

No comments yet

Be the first to share your thoughts

Back to Generation