fairly significant
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
15,000 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.

2004 GMC Envoy engine problems

engine problem

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2004 GMC Envoy Owner Comments

problem #4

Jul 242006

Envoy 6-cyl

  • Automatic transmission
  • 23,000 miles


GMC Envoy SUV (4.2) inline 6-cylinder. Vehicle has stalled five times intermittently over the past six months. It stalls out when you begin to stop or start to accelerate from a stop or just while idling. Luckily it hasn't been when I was trying to pass or merge in traffic. The first time was around 23,000 and the second time 23,500. The next occurrence happened while it was sitting in a parking lot idling and it died after running for 5-8 minutes. I took it to the dealer and they said it was the throttle body that needed cleaning - done. Six weeks later and 1500 miles it stalled when I was trying to make a U-turn in St. Petersburg and I nearly got rear ended. Dealer kept it two days and did nothing since they couldn't duplicate problem and couldn't get anything from the computer. I took it back to the dealer on 7/21 for regular maintenance (oil change, fuel filter change, and A/C repair-bad clutch). The dealer said they had two computer module updates, one to fix stalls. Three days later it stalled in jacksonville traffic at a stop light. I have taken it back for a fourth time to the dealer and left for a week. Dealer said vehicle idling rough but computer not registering problem so nothing was done, again. I E-mailed GM and I have had no reply in two weeks. I see where a person with a V8 version is having the same problem. This is an accident waiting to happen.

- St. Augustine, FL, USA

problem #3

Mar 202006

Envoy 4WD 6-cyl

  • Automatic transmission
  • 4,000 miles
I bought my GMC Envoy in January 2004 for approx. $42,000. This car has everything. After about 2 months of the purchase, my gps went out and had been fixed twice. My brakes do not always work --sometimes they slip especially when I need them most -which is scary. GMC said that they have heard about this problem before, but did nothing to resolve the problem. The engine stalls periodically. GMC said they do not know why. The gas gauge and odometer do not work properly. When I brought my vehicle into North county GMC dealership in san diego for repairs I mentioned my gas gauge did not work along with many of the other issues. After they repaired the odometer by replacing the cluster, the gas gauge still did not work. Every single time these problems happen I am forced to pay a $100 service charge just so they can look at it and because I am in sales, I am also forced to get a rental car. After all this, I am still quite displeased with GMC. I hate to say it but they are supposed to be the best american car "?professional grade?" and if this is true I will never buy an american vehicle again. GMC said they would be checking on all these problems and every single time I picked my Envoy up after they supposedly fixed the problems, I found several issues still unresolved. They suggest I need to set another meeting to bring my Envoy in and of course will cost another $100.

- San Diego, CA, USA

problem #2

Dec 202005


  • miles
2004 GMC Envoy stalls when accelerating from a stop. This problem occurred while in drive or reverse. The vehicle has been taken to be repaired five times but the problem still exist. During the most recent incident the vehicle stalled while making a left turn into traffic. The vehicle was taken to be repaired again and was given back tot he consumer two days later, supposedly fixed.

- Anaheim, CA, USA

problem #1

Jul 192005


  • Automatic transmission
  • 33,000 miles
I own a 2004 GMC Envoy, just purchased in January.I feel very unsafe driving it, for when I try to accelerate it just loses power feels like its gonna die out.the rpms are going up and down when I try to accelerate.it, S gonna end up causing me to get in a wreck.I brought it to dealerhip last thurs, they updated the software in PCM. I had to put it back in shop today for doing the same thing I feel as if they arent gonna find whats wrong B/C the check engine light isnt on and it doesn, T act up all the time.I really feel this is of major concern B/C I, M seeing a lot of complaints posted with this same problem in Envoy and trailblazers.I think its time time for a recall don, T ya, ll?

- Morgan City, LA, USA

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