how to fix P0301 code in Ram 1500 DT (2019-Present)

Solution

1. Preparation

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

2. Replace Spark Plug

• Remove the ignition coil from cylinder 1:
  • Unscrew and detach the electrical connector.
  • Remove the mounting bolts securing the ignition coil.
• Remove the spark plug:
  • Use a spark plug socket and ratchet to carefully unscrew and remove the old spark plug.
• Install the new spark plug:
  • Apply anti-seize compound to the threads of the new spark plug.
  • Torque the spark plug to the manufacturer's specification (usually around 13-15 ft-lbs).
• Reinstall the ignition coil and reconnect the electrical connector.

3. Replace Ignition Coil (if necessary)

• If the ignition coil tested out of specifications:
  • Remove the faulty ignition coil as detailed above.
  • Install the new ignition coil, ensuring it fits snugly onto the spark plug and is securely fastened.
  • Reconnect the electrical connector.

4. Replace Fuel Injector (if necessary)

• If the injector was found to be non-functional:
  • Disconnect the fuel lines and electrical connector from the injector.
  • Remove the old fuel injector.
  • Install the new fuel injector, ensuring it is seated correctly and all seals are in place.
  • Reconnect the fuel lines and electrical connector.

5. Reconnect Battery

• Reconnect the battery negative terminal.
• Ensure all tools are cleared from the engine bay.

Tools Required:

• OBD-II scanner
• Socket set
• Multimeter
• Torque wrench
• Compression tester
• Fuel injector removal tool (if necessary)

Parts Required:

• Spark plug(s)
• Ignition coil (if necessary)
• Fuel injector (if necessary)

Estimated Repair Time: 2-4 hours

Safety Warnings:

• Disconnect the battery before working on electrical systems.
• Allow engine to cool before performing any repairs.