why does my Toyota Tacoma N300 (2016-Present) engine light come on intermittently

Solution

1. Preparation

• Gather necessary tools and parts.
• Ensure the vehicle is parked on a flat surface and the engine is cool.
• Disconnect the battery to eliminate electrical hazards.

2. Replace Faulty Components

A. Ignition System

• Tools Required: Socket set, torque wrench, spark plug socket.
• Remove the ignition coil cover (if applicable).
• Unscrew and remove the faulty ignition coils and spark plugs.
• Replace with new components and torque to manufacturer's specifications (usually around 13-15 lb-ft for spark plugs).

B. Fuel Injectors

• Tools Required: Fuel injector puller, socket set, torque wrench.
• Relieve fuel system pressure by removing the fuel pump fuse and running the engine until it stalls.
• Disconnect fuel lines and wiring connectors from the injectors.
• Remove old injectors and replace them with new ones, ensuring correct seating.
• Reconnect fuel lines and wiring, and torque to specifications (typically around 15-20 lb-ft).

3. Clean Air Filter

• Tools Required: None (if only cleaning is needed).
• Remove the air filter from its housing.
• Clean or replace the air filter as necessary, ensuring it fits securely back into place.

4. Inspect and Repair Vacuum Leaks

• Tools Required: Smoke machine (optional), hose clamps.
• Use a smoke machine to check for leaks or visually inspect hoses for cracks.
• Replace any faulty hoses or connections to prevent air leaks.