NHTSA — Engine And Engine Cooling: Exhaust System Problems

1.4

hardly worth mentioning
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
118,000 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 exhaust system problems

exhaust system problem

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2003 GMC Envoy Owner Comments

problem #1

Feb 232010

Envoy 4WD 6-cyl

  • 118,000 miles

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

Throat of gas tank leaking on a 2003 Envoy. Reviewing internet, found many similar problems on the Envoy's and stated in 2007 that NHTSA was investigating. Mechanic stated very unusual to leak in that spot. Also, have replaced both head light sockets due to burning up. Have talked to many Envoy owners with the same problem. When bulb burns out and the recommended bulb is put in place the socket and wiring gets so hot that the socket is charred and is no longer functional. Wires have to be cut and a new socket wired in.

- O Fallon, IL, USA

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