Notes: The 2006 Cobalt continued to carry the torch first lit by the 2005 model year. To be clear, that torch is burning bright with widespread power steering issues, electrical curiosities and a dangerous ignition switch defect which led to a massive recall by GM. This isn’t a great torch to carry.

The 2006 added it’s own special flare with gas leaks due to cracks in the “return portion of the modular reservoir assembly.” A recall of 2006 Cobalts was issued to fix the problem, but only to vehicles sold in or current registered in Arizona and Nevada, leaving other owners to pay for repairs themselves.

Between this car stalling while driving, giving owners fits with power steering failure and having it be a potential tinderbox because of gas leaks, we felt we had no other option than to award it our “Avoid Like the Plague” badge.


hardly worth mentioning
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
65,500 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.

2006 Chevrolet Cobalt fuel system problems

fuel system problem

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2006 Chevrolet Cobalt Owner Comments

problem #2

Oct 112009


  • 108,000 miles


The contact owns a 2006 Chevrolet Cobalt. The fuel tank has developed cracks. A technician from the dealer stated that they would have to perform a smoke tank test at an expense of $112. And then dropped the tank to see where the fuel leak was coming from. If the fuel tank has to be replaced it will cost $900. The Chevrolet manufacturer advised him to have the diagnostic test, and afterward they may provide a discount to replace the fuel tank. The failure mileage was 108,000. The VIN number was unavailable.

- Sacramento, CA, USA

problem #1

Jul 272009

Cobalt 4-cyl

  • Automatic transmission
  • 23,000 miles
The contact owns a 2006 Chevrolet Cobalt. While driving at an unknown speed, the contact smelled gasoline coming from the vehicle. He then noticed fuel leaking from the fuel tank and underneath the vehicle. The dealer stated that they will retrieve the vehicle because the contact did not want to drive it in that condition. The repair will be performed under warranty. The failure and current mileages were 23,000. Updated 08/28/09. Updated 08/31/09.

- Hollywood, FL, USA

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