Symptom Index

Symptoms - Engine Exhaust
^ Review the exhaust system description and operation in order to familiarize yourself with the system functions.
^ All diagnostics on a vehicle follow a logical process. Strategy Based Diagnostics is a uniform approach for repairing all systems. When repairs are necessary start with the diagnostic flow to resolve system problems.

Visual/Physical Inspection
^ Inspect for aftermarket or non-OEM devices such as, but not including; tail pipe extensions, headers, and exhaust cutouts. This could affect the operation and performance of the exhaust system.
^ Verify the exact operating conditions under which the concern exists. Note factors such as engine RPM, engine temperature, engine load, and the frequency of the concern.
^ Inspect the easily accessible or visible system components for damage or conditions which could cause any symptom.

Intermittent
Test the vehicle under the same conditions that the customer reported in order to verify the system is operating as designed.

Symptom List
Refer to a symptom diagnostic procedure from the following list in order to diagnose the symptom:

^ Loss of power
Refer to Restricted Exhaust.
Restricted Exhaust

^ Poor acceleration
Refer to Restricted Exhaust.
Restricted Exhaust

^ Poor fuel economy
Refer to Restricted Exhaust.
Restricted Exhaust

^ Excessive smoke diesel
Refer to Restricted Exhaust.
Restricted Exhaust

^ Exhaust hissing noise
Refer to Exhaust Leakage.
Exhaust Leakage

^ Exhaust popping noise
Refer to Exhaust Leakage.
Exhaust Leakage

^ Exhaust rattle noise
Refer to Exhaust Noise.
Exhaust Noise

^ Loud exhaust noise
Refer to Exhaust Noise.
Exhaust Noise

^ Exhaust buzz, groan, hum noise
Refer to Exhaust Noise.
Exhaust Noise