EXHAUST HEAT RECIRCULATION SYSTEM PROBLEM SYMPTOMS TABLE

Tech Tips


  • Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.


  • Inspect the fuses and relays related to this system before inspecting the suspected areas below.

Exhaust Heat Recirculation System
Symptom Suspected Area See page
Engine overheating Engine coolant leaks (for engine side)

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Engine coolant leaks (for exhaust heat recirculation system)

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Exhaust center pipe assembly

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Exhaust pipe gas control actuator

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Exhaust heat recirculation system circuit

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Temperature switch

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