why does my Toyota Tacoma N300 (2016-Present) have a weird smell when running

Solution

1. Preparation

• Tools Required: Socket set, OBD-II scanner, coolant pressure tester, flashlight
• Ensure the vehicle is parked on a level surface and the engine is cool.
• Disconnect the battery to ensure safety while working on electrical components.

2. Inspect for Coolant Leaks

• Sub-steps:
  1. Remove the engine cover if applicable.
  2. Visually inspect all hoses connected to the radiator and coolant reservoir for cracks or damage.
  3. Use a coolant pressure tester to pressurize the cooling system and check for leaks.
  4. If leaks are found, replace damaged hoses or components.

3. Examine the Exhaust System

• Sub-steps:
  1. Raise the vehicle using jack stands for safe access to the exhaust system.
  2. Inspect the exhaust pipes and catalytic converter for any signs of corrosion or holes.
  3. Replace any damaged components found during inspection.

4. Check Fuel System

• Sub-steps:
  1. Inspect the fuel lines for signs of wear or fuel leakage.
  2. If leaks are detected, replace the affected fuel lines or components.
  3. Ensure that the fuel injectors are functioning properly and not leaking.

5. Reset and Test

• Sub-steps:
  1. Reconnect the battery.
  2. Clear any fault codes from the OBD-II scanner.
  3. Start the engine and monitor for any unusual smells or signs of leaks.