how to fix P0302 code in Toyota Camry Eighth Generation (2018-present)?

Solution

1. Preparation

• Gather tools and parts needed for the repair.
• Disconnect the battery to prevent electrical shorts during repair.

2. Inspect and Replace Ignition Components

• Sub-steps:
  1. Remove the engine cover if applicable.
  2. Disconnect the electrical connector from the ignition coil for cylinder 2.
  3. Remove the ignition coil using a socket set.
  4. Inspect the spark plug for wear and carbon buildup; replace if necessary.
  5. Install a new ignition coil if the existing one is faulty.
  6. Reconnect the electrical connector and replace the engine cover.

3. Test and Replace Fuel Injector

• Sub-steps:
  1. Disconnect the electrical connector from the fuel injector on cylinder 2.
  2. Remove the fuel injector using the appropriate tools.
  3. Test the injector operation with a noid light; replace if it does not flash.
  4. Install the new fuel injector with new O-rings and reconnect the electrical connector.

4. Perform Compression Test

• Sub-steps:
  1. Remove the spark plug from cylinder 2.
  2. Insert a compression gauge into the spark plug hole.
  3. Crank the engine and record the compression reading.
  4. Compare the reading to manufacturer specifications; if low, investigate further for potential internal engine issues.

5. Check for Vacuum Leaks

• Sub-steps:
  1. Inspect all vacuum hoses connected to the intake manifold for cracks or disconnections.
  2. Use a smoke machine or carburetor cleaner to detect leaks around the intake manifold.
  3. Repair or replace any damaged hoses or gaskets.