how to fix my Toyota Tacoma N300 (2016-Present) with a rough start issue?

Solution

1. Preparation

• Gather necessary tools and parts.
• Disconnect the negative battery terminal to ensure safety.
• Allow the engine to cool if it has been running.

2. Address Battery and Connections

• Sub-step 1: Clean battery terminals with a wire brush to remove corrosion.
• Sub-step 2: Ensure all connections are tight and secure.
• Tools Required: Wire brush, wrench set.

3. Replace Spark Plugs (if worn or fouled)

• Sub-step 1: Remove the ignition coil by unscrewing the retaining bolts and disconnecting the electrical connector.
• Sub-step 2: Unscrew and remove the old spark plug using a spark plug socket.
• Sub-step 3: Install new spark plugs, ensuring to gap them according to manufacturer specifications, and torque them to recommended settings (typically 13 lb-ft).
• Sub-step 4: Reinstall the ignition coil.
• Tools Required: Spark plug socket, torque wrench, ratchet.

4. Clean or Replace Air Filter

• Sub-step 1: Open the air filter housing by unclipping or unscrewing it.
• Sub-step 2: Remove the air filter and inspect it for dirt and damage.
• Sub-step 3: Clean the air filter if reusable or replace it with a new one.
• Tools Required: Screwdriver or ratchet set.

5. Inspect and Clean Throttle Body

• Sub-step 1: Remove the air intake duct connected to the throttle body.
• Sub-step 2: Use throttle body cleaner and a soft cloth to clean the throttle plate and surrounding areas.
• Sub-step 3: Reassemble the duct and ensure all clamps are secure.
• Tools Required: Throttle body cleaner, soft cloth.