2006 Chevrolet Cobalt fuel/propulsion system problems
255 owner complaints filed with NHTSA name the fuel/propulsion system on the 2006 Chevrolet Cobalt — 11% of all complaints for this model year.
What owners report
“The fuel tank has an evap leak that somehow breaks on top the tank so it leaks the gas vapors and could potentially start a fire but the part that breaks is a non serviceable part so it can’t be fixed without purchasing a whole new gas tank that isn’t cheap. My other concern is the infamous…”
filed Jul 13, 2025
“Before I get into all of it there has never been an accident not yet at least. I do everything I can to try an stop that from happening, (but accidents do happen) only because I know my car could kill on me so I’m extra careful. 1) After I get gas I’m my car the car won’t start right away. I have…”
filed Aug 4, 2022
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Fuel/propulsion System problems in other Cobalt years
| Year | Reports | Share |
|---|---|---|
| 2010 Cobalt | 101 | 18% |
| 2009 Cobalt | 226 | 32% |
| 2008 Cobalt | 202 | 24% |
| 2007 Cobalt | 283 | 18% |
| 2005 Cobalt | 38 | 2% |
Other reported problem areas on the 2006 Chevrolet Cobalt
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.