NHTSA — Engine And Engine Cooling: Exhaust System: Emission Control: Catalytic Convertor Problems


hardly worth mentioning
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
77,940 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

2002 Buick Regal exhaust system problems

exhaust system problem

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2002 Buick Regal Owner Comments

problem #3

Jun 092008


  • 86,971 miles


The contact owns a 2002 Buick Regal. The contact stated that the vehicle lost power, back fired and then stalled out when he was driving at approximately 20 mph. The contact had the catalytic converter replaced to fix the problem. The manufacturer offered an extended warranty for the catalytic converter that changed from 80,000 miles to 120,000 miles. The failure mileage was 86,971. The current mileage was approximately 103,000.

- Okford, MA, USA

problem #2

Jul 102006

Regal 6-cyl

  • Automatic transmission
  • 51,489 miles
Loss of engine power, engine stopped running, damage to various engine components. Catalytic converter plugged shut and heat damage to various engine components. "near engine fire." Catalytic converter, manifold, iac value, gasket, fuel line, fuel regulator, evap hose from engine to fuel tank all replaced. Buick has partially reimbursed for repairs and replacements. Two items still pending.

- Anderson, IN, USA

problem #1

May 032006

Regal 6-cyl

  • Automatic transmission
  • 95,359 miles
: the contact stated the vehicle was running sluggish. It was taken to the dealership, who determined the catalytic converter was clogged and needed to be replaced. Previously, the dealership replaced right front tie rod end on 08/03/2004 at 61304 miles. Update 5/30/2006 -

- Waterford, MI, USA

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