my Ram 1500 DT (2019-Present) has a P0302 code, what does that indicate

Solution

1. Preparation

• Gather necessary tools and parts.
• Disconnect the negative battery terminal to ensure safety.
• Allow the engine to cool before starting work.

2. Inspect and Replace Spark Plug

• Tools Required: Socket set, torque wrench, gap gauge.
• Remove the spark plug for cylinder 2 using the socket wrench.
• Inspect the spark plug for wear or damage; replace if necessary.
• Use a gap gauge to ensure the new spark plug is gapped correctly per manufacturer specifications.
• Install the spark plug and torque it to the manufacturer's specifications.

3. Inspect and Replace Ignition Coil

• Tools Required: Socket set, torque wrench.
• Remove the ignition coil from cylinder 2 by unbolting it and disconnecting the electrical connector.
• Inspect the coil for signs of damage; if faulty, replace it with a new ignition coil.
• Reinstall the ignition coil and torque it to the specified value.

4. Check and Clean Fuel Injector

• Tools Required: Fuel injector cleaner, basic hand tools.
• Remove the fuel injector from cylinder 2 by disconnecting the fuel line and electrical connector.
• Inspect the injector for clogs or damage; clean it using fuel injector cleaner or replace it if necessary.
• Reinstall the fuel injector securely.

5. Reconnect Battery and Clear Codes

• Reconnect the negative battery terminal.
• Use the OBD-II scanner to clear the P0302 code from the ECM.