Symptom Diagnosis - Engine Exhaust: Intermittent
WARNING: This page is about a different car, the 2003 Pontiac Grand Am, 2003 Oldsmobile Alero, 2003 Chevrolet Monte Carlo, and 2003 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.
Check the vehicle under the same conditions that the customer reported to verify the system is operating as designed.
Go to the symptom diagnostic procedure from the following list to diagnose the symptom:
- Exhaust hissing or exhaust popping noise. Go to EXHAUST LEAKAGE under EXHAUST SYSTEMS in SYSTEM & COMPONENT TESTING - 3.4L ALERO, GRAND AM, IMPALA & MONTE CARLO article.
- Exhaust rattle, loud exhaust or exhaust buzz, groan, hum noises. Go to EXHAUST NOISE under EXHAUST SYSTEMS in SYSTEM & COMPONENT TESTING - 3.4L ALERO, GRAND AM, IMPALA & MONTE CARLO article.
- Loss of power, poor acceleration or poor fuel economy. Go to RESTRICTED EXHAUST under EXHAUST SYSTEMS in SYSTEM & COMPONENT TESTING - 3.4L ALERO, GRAND AM, IMPALA & MONTE CARLO article.