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

2.4

hardly worth mentioning
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
64,394 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.

2003 GMC Envoy XL exhaust system problems

exhaust system problem

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2003 GMC Envoy XL Owner Comments

problem #2

Dec 202011

Envoy XL 4WD 8-cyl

  • 94,788 miles

A D V E R T I S E M E N T S

The cataytic converter broke into pieces and the car would not go above 25 mph.

- Islip, NY, USA

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problem #1

Apr 132004

Envoy XL

  • 34,000 miles
Vehicle was designed with the coolant lines next to the catalytic converter. The fuel line ruptured in several places and sprayed coolant on the under carriage of the vehicle, and the catalytic converter.

- Lakeside, CA, USA

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