Section 09-00: Exhaust System
1996 F-150, F-250, F-350, F-Super Duty, Bronco and Motorhome Chassis Vehicles Workshop Manual
DIAGNOSIS AND TESTING
Symptom Chart — Exhaust System
SYMPTOM CHART — EXHAUST SYSTEM
Condition
Possible Source
Action
Noises and Exhaust Fumes
Exhaust leak.
Misaligned exhaust.
Loose clamps or fasteners.
GO to
Pinpoint Test A
.
Restricted exhaust.
GO to
Pinpoint Test B
(gasoline engines) or
Pinpoint Test C
(diesel engines).
Engine Has Lack of Power
Fuel system.
Ignition system.
Electronic engine controls.
Restricted exhaust system.
GO to
Pinpoint Test B
(gasoline engines) or
Pinpoint Test C
(diesel engines).