Exhaust System Check: Symptom

Refer to a symptom diagnostic procedure from the following list to diagnose the symptom:

• Loss of power, poor acceleration, poor fuel economy, or excessive smoke-diesel, see RESTRICTED EXHAUST .
• Exhaust hissing or popping, see EXHAUST LEAKAGE .
• Rattle, buzz, groan, hum or loud noise, see EXHAUST NOISE .