Symptoms - Engine Exhaust
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Symptoms - Engine Exhaust
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Review the Exhaust System Description and Operation in order to familiarize yourself with the system functions. Refer to
Exhaust System Description
.
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All diagnostics on a vehicle should follow a logical process. Strategy Based Diagnostics is a uniform approach for repairing all systems. The diagnostic flow is the place to start when repairs are necessary and may always be used in order to resolve a system problem. For a detailed explanation, refer to
Strategy Based Diagnosis
.
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Visual/Physical Inspection
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Inspect for aftermarket or non-OEM devices such as, but not including, tailpipe extensions, mufflers, and exhaust hangers. This could affect the operation and proper performance of the exhaust system.
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Verify the exact operating conditions under which the concern exists. Note factors such as engine RPM, engine temperature, engine load, and frequency of concern.
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Inspect the easily accessible or visible system components for obvious damage or conditions which could cause any symptom.
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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: