Chevrolet Exhaust System Problems

Exhaust System issues make up roughly 1% of all Chevrolet owner complaints. The majority of the issues have been reported by Impala owners.

The complaint we hear about most often is catalytic converter plugged (accelerates poorly) in the 2002 Impala.

Where Exhaust System Complaints Happen

Sometimes it helps just to tally up the complaints and see where the biggest stacks are. Use this information to learn about troublespots or to run for the hills.

Worst Issues

Worst Models

Recent Exhaust System News

There's a lot of news out there, but not all of it matters. We try to boil down it to the most important bits about things that actually help you with your car problem. Interested in getting these stories in an email? Signup for free email alerts over at CarComplaints.com.

  1. A consolidated class-action lawsuit is accusing GM of equipping its Duramax diesel engines with defeat devices.

    The plaintiffs claim emissions tests show the Silverado and Sierra 2500 and 3500 trucks emit levels of nitrogen oxides higher than GM advertised. The emissions are also allegedly higher than government standards.

    The lawsuit says the engines are equipped with multiple devices to control emissions in specific situations, but that the engines generally produce 2.1 to 2.4x the legal limit.

    That’s amateur hour next to VW’s diesel defeat devices that spewed 40x the legal limit of NOx.

    keep reading article "Are There Duramax Diesel Defeat Devices?"