my Ram 1500 DT (2019-Present) has a check engine light with P0301 code

Solution

1. Preparation

• Gather tools and parts required for the repair.
• Disconnect the negative terminal of the battery to ensure safety.

2. Replace Spark Plug

• Remove the ignition coil from cylinder 1:
  • Use a socket set to remove the bolt securing the coil.
  • Carefully disconnect the electrical connector.
• Remove the spark plug:
  • Use a spark plug socket and ratchet to unscrew the old spark plug.
• Install the new spark plug:
  • Apply anti-seize lubricant to the threads of the new spark plug.
  • Torque the spark plug to the manufacturer's specification (usually around 13-15 lb-ft).
• Reinstall the ignition coil:
  • Reconnect the electrical connector and secure it with the bolt.

3. Inspect and Replace Ignition Coil (if necessary)

• If the ignition coil shows signs of damage or wear:
  • Remove the faulty coil from cylinder 1.
  • Install the new ignition coil and torque it to the manufacturer's specification.

4. Check and Replace Fuel Injector (if necessary)

• If the fuel injector is clogged or faulty:
  • Disconnect the fuel line and electrical connector from the fuel injector.
  • Remove the fuel injector from the rail.
  • Install the new fuel injector and ensure proper sealing.
  • Reconnect the fuel line and electrical connector.

5. Reconnect Battery and Clear Codes

• Reconnect the negative terminal of the battery.
• Use the OBD-II scanner to clear the check engine light codes.

Tools Required:

• OBD-II scanner
• Socket set
• Torque wrench
• Spark plug socket
• Ratchet
• Anti-seize lubricant

Parts Required:

• Spark plug (for cylinder 1)
• Ignition coil (if required)
• Fuel injector (if required)

Estimated Repair Time: 2-4 hours

Safety Warnings:

• Disconnect the battery before working on electrical components.
• Allow the engine to cool before touching any components.