Inspection and Verification
WARNING: This page is about a different car, the 2017 Lincoln Navigator and 2017 Ford Expedition. However, it is still accessible from the selected car via links, so may be relevant.
- 1.
Verify the concern by running the engine (with the vehicle on the ground) or road testing the vehicle to duplicate the condition.
- 2.
Visually inspect the components of the exhaust system and related controls that may affect exhaust gas quality or loss of power.
Visual Inspection Chart
| Mechanical |
|---|
| Exhaust pipe pinched or crushed Damaged muffler Broken or damaged exhaust hanger brackets Damaged catalytic converters Cracked exhaust manifolds Loose or damaged heat shields |
- 4.
Verify that the exhaust system is installed correctly, with clamps correctly located and tightened to specification.
- 5.
If the fault is not visually evident, determine the symptom. GO to Symptom Chart - Exhaust System or GO to Symptom Chart - NVH .