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hardly worth mentioning
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
92,275 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 Chevrolet Impala exhaust system problems

exhaust system problem

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2004 Chevrolet Impala Owner Comments

problem #2

Jul 232012

Impala 6-cyl

  • 97,000 miles


Vehicle stalled out / stopped while traveling down the road. It has done it twice now. This car is fully equipped with cruise control and traction control. After the first time (three days ago) we took it to a dealer and they could not find any code (s) and or replicate it. It just happened again today. Both times the car started right up. This could be a disaster at high speeds on an interstate. Thank you. The consumer stated the vehicle stalled for a third time. The dealer ran it for codes and immediately, it came back as a problem with the mass air sensor. It was replaced and so far, there have been no more problems. Updated IVOQ 08/01/12

- Wexford, PA, USA

problem #1

May 102007

Impala 6-cyl

  • Automatic transmission
  • 87,550 miles
Vehicle has been stalling intermittently at any speed. Vehicle has stalled a total of ten times. The vehicle has been taken to the local mechanic shop five times and the dealership twice but no codes were found during testing. So far I have had new plugs/wires (tune-up), new coil pack, new ignition module and new crank sensor, and new fuel filter. The vehicle completely dies at any speed. Told possibility of bad fuel pump but dealership cannot be 100% certain this will fix the problem. While driving at 70-75 miles an hour the car completely shuts down. It is a miracle I have not been severely hurt or killed. Problems began in May 2007 and have been ongoing since then.

- Brownstown, MI, USA

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