Symptom Chart - Exhaust System
WARNING: This page is about a different car, the 2013 Ford F-550 Super Duty, 2013 Ford F-450 Super Duty, 2013 Ford F-350 Super Duty, and 2013 Ford F-250 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.
SYMPTOM CHART - EXHAUST SYSTEM
| Condition |
Possible Sources |
Action |
- Loss of power - vehicle performance complaint
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- Exhaust pipe pinched or crushed
- Damaged catalytic converter
- Full/loaded catalyst and particulate filter assembly
- Clogged catalyst and particulate filter assembly
- Loose obstruction in exhaust
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- Restricted exhaust (possible frozen condensate in muffler) (6.7L diesel)
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- Restricted exhaust (possible frozen condensate in muffler) (gasoline)
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- CHECK drain holes for foreign material. PARK the vehicle inside to thaw. TEST vehicle for normal operation. If concern is still present, REFER to the appropriate "Engine Controls" article.
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- Burning smell - usually occurs at idle with possible traces of smoke
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- Foreign material caught in exhaust system
- Missing heat shields
- Fluid leak on exhaust
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- INSPECT the exhaust system for foreign material or missing heat shields. REPAIR or INSTALL new components as necessary. TEST the system for normal operation after the repair.
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- Odor - described as a sulfur or rotten egg smell
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- At times, a slight sulfur smell is normal for catalytic converters. The cause is the sulfur content in the gasoline being used. ADVISE customer, no repair required.
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- Rich fuel conditions
- Misfire conditions
- Excessive sulfur content in fuel
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- REFER to the appropriate "Engine Controls" article.
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- Visible rust on surface of exhaust pipes
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- Catalytic converter/exhaust system
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- Surface rust is a characteristic of materials used on exhaust systems. Exposure to heat or road salt may result in surface rust. INSPECT for perforations. If there are no perforations, condition is normal.
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