hardly worth mentioning
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
62,130 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 fuel system problems

fuel system problem

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2003 GMC Envoy Owner Comments

problem #4

Mar 092008

Envoy 4WD 6-cyl

  • Automatic transmission
  • 90,521 miles


There seems to be an overwhelming amount of error code PO442 in the 2003 GMC Envoy and Chevy trailblazers. This code is a faulty gas tank that over time develops a small leak. The only way to fix it is to replace the tank. This cost anywhere between $1000 - $1500 to replace. If there is a gas leak there can be a fire!!!

- St. Peters, MO, USA

problem #3

Jul 172007

Envoy 4WD 6-cyl

  • Automatic transmission
  • 78,000 miles
I own a 2003 GMC Envoy. I am the original owner. The service engine light came on so we visited the local dealership to find out what was wrong. Upon testing the vehicle there was a crack found at the stem of the fuel tank. It had been leaking fuel and loosing pressure causing the light to illuminate. The repair bill is around $1400 for a safety hazard that was no fault of mine. The service manager said that it was a bad design due to epa regulations on venting the cap and that he had seen many of these. I contacted GM and they were not willing to help. They offered a discount on a new or used car. There is no current recall but the more I look into this, there have been many issues of this happening. This problem could kill many people.

- Carmel, IN, USA

problem #2

Jul 282006


  • miles
When I fill my Envoy with gas, it will not stop when it is full. The gas then spills over onto the side of the SUV and causes me to clean it immediately and smell like gas. I know that it is the SUV and not the pump because it doesn't happen with my other vehicle at the same pump.

- Cedar Lake, IN, USA

problem #1

Jul 072006

Envoy 6-cyl

  • Automatic transmission
  • 80,000 miles
: the contact stated while driving 10 mph the vehicle stalled and was maneuvered off the road. When the vehicle was being prepared to be towed the towman noticed gas leaking. The dealer confirmed the leak and determined the tank shifted causing the gas line to crack. The dealer replaced the entire gas tank which corrected the problem.

- Palestine, AR, USA

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