why does my Ford F-150 12th Generation (2009-2014) have a strong exhaust smell inside?

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 prevent electrical issues.

2. Inspect and Repair Exhaust System

• Tools Required: Socket set, torque wrench, exhaust leak detector (if available)
• Sub-steps:
  1. Raise the vehicle using jack stands to access the exhaust system.
  2. Visually inspect the entire exhaust system from the engine to the tailpipe for cracks or holes.
  3. If a leak is found, use exhaust sealant or replace the damaged section of the exhaust pipe.
  4. Ensure all exhaust clamps are tight and secure.
  5. Reconnect the battery after repairs are completed.

3. Replace Cabin Air Filter

• Tools Required: Screwdriver (if applicable for cover removal)
• Sub-steps:
  1. Locate the cabin air filter access panel, usually found behind the glove box.
  2. Remove the panel and take out the old cabin air filter.
  3. Clean the filter housing area to remove debris.
  4. Install a new cabin air filter, ensuring it is oriented correctly.
  5. Reassemble the access panel.

4. Check and Clean Intake Vents

• Tools Required: Soft brush or vacuum
• Sub-steps:
  1. Inspect the intake vents for any blockages or debris.
  2. Use a soft brush or vacuum to remove any dirt or leaves that may have accumulated.
  3. Ensure that the vent flaps are functioning correctly.