how to fix P0302 code in Honda Accord 9th Generation (2013-2017)

Solution

1. Preparation

• Gather tools and parts needed for repair.
• Tools Required: OBD-II scanner, socket set, torque wrench, multimeter, compression tester, mechanic's stethoscope.
• Safety Warnings: Disconnect the battery before starting any repairs to avoid electrical shorts.

2. Replace Spark Plug

1. Remove the engine cover if necessary to access the spark plug.
2. Disconnect the ignition coil connector.
3. Remove the ignition coil using a socket set.
4. Unscrew the spark plug from cylinder 2 using a socket wrench.
5. Inspect the old spark plug; if worn or damaged, replace it with a new one.
6. Gap the new spark plug according to manufacturer specifications (typically around 0.043 inches).
7. Install the new spark plug and torque it to the manufacturer's specifications (usually around 13 lb-ft).
8. Reinstall the ignition coil and connect the ignition coil connector.

3. Replace Ignition Coil (if necessary)

1. If the ignition coil test indicated a fault, remove the ignition coil from cylinder 2 as described above.
2. Install a new ignition coil, ensuring it is seated correctly.
3. Reconnect the ignition coil connector.

4. Replace Fuel Injector (if necessary)

1. If the fuel injector is suspected to be faulty, remove the intake manifold (if required) to access the injector.
2. Disconnect the fuel injector connector and remove the fuel rail bolts.
3. Carefully pull the fuel rail away from the engine, taking care not to damage any seals.
4. Replace the injector with a new one and reinstall the fuel rail, ensuring proper alignment and sealing.

5. Reassemble and Test

1. Reinstall any components removed during the repair, ensuring all bolts are torqued to specification.
2. Reconnect the vehicle’s battery.
3. Clear the P0302 code using the OBD-II scanner and take the vehicle for a test drive.