2006 Chevrolet Cobalt Fuel System, Gasoline Problems

Source: NHTSA · Updated Sep 18, 2025 · 215 complaints analyzed

Owners have filed 215 complaints with NHTSA about fuel system, gasoline problems on the 2006 Chevrolet Cobalt, 9% of all complaints for this model year. Half of the reports with a mileage happened before 74,800 miles. The words owners use most often: “fuel pump” (61% of reports).

What owners describe

Phrases that appear unusually often in these complaints compared with complaints about other cars.

  • Fuel pump: mentioned in 132 of 215 complaints (61%)
  • Gasoline delivery: mentioned in 60 of 215 complaints (28%)
  • Strong odor: mentioned in 25 of 215 complaints (12%)
  • Included associated: mentioned in 12 of 215 complaints (6%)

How much does it cost to fix?

Owners who wrote down what they paid or were quoted put the typical fuel system, gasoline repair on the 2006 Chevrolet Cobalt at $910, and half of them between $830 and $1,150.

Based on 16 NHTSA complaints about this problem alone that state a repair bill or quote (2009–2014), converted to 2026 dollars with the U.S. consumer price index. These are owners' own figures, not a quote: they include dealer quotes, and owners who file complaints often faced larger repairs, so they can run higher than typical shop prices. Prices vary by shop, region and warranty coverage. How we calculate this.

At what mileage do fuel system, gasoline problems happen?

Based on 178 complaints that reported the odometer reading.

Under 10k miles2 · 1%
10k–25k miles3 · 2%
25k–50k miles29 · 16%
50k–75k miles55 · 31%
75k–100k miles47 · 26%
100k–150k miles36 · 20%
150k+ miles6 · 3%

How serious are the reports?

Of 215 complaints, 4 mention a crash, 2 a fire, 2 an injury.

Chevrolet Cobalt fuel system, gasoline complaints by model year

Peak: 2006, with 215 complaints
2005: 162005162006: 21520062152007: 15020071502008: 402008402009: 362009362010: 21201021

n = 478 complaints · Source: NHTSA

Model yearFuel System, Gasoline complaintsShare of that yearMedian miles
2010 Cobalt214%111,000
2009 Cobalt365%94,000
2008 Cobalt405%96,036
2007 Cobalt15010%70,000
2006 Cobalt2159%74,800
2005 Cobalt161%58,000

When owners reported it

Peak: 2011, with 75 complaints
2007: 1200712008: 112009: 222009222010: 47472011: 752011752012: 25252013: 132013132014: 17172015: 4201542018: 112019: 1201912020: 332021: 2202122022: 112023: 1202312025: 11

n = 215 complaints · Source: NHTSA

Related recalls (1)

Fuel system, gasoline:delivery:fuel pumpOct 29, 2009 · NHTSA campaign 09V419000 · 69,139 vehicles

Problem: General motors is recalling certain model year 2006 chevrolet cobalt and saturn ion vehicles originally sold in or currently registered in the states of arizona and nevada; and model year 2007 chevrolet cobalt, pontiac g5 and saturn ion vehicles originally sold in or currently registered in the states of arizona, california, florida, nevada and texas. The plastic supply or return port on the modular reservoir assembly may crack. If either of these ports develops a crack, fuel will leak from the area. If the crack becomes large enough, fuel may be observed dripping onto the ground and vehicle performance may be affected.

Risk: Fuel leakage, in the presence of an ignition source, could result in a fire.

Fix: Dealers will replace the fuel pump module free of charge. A special coverage will be implemented in the same time frame for model year 2006 vehicles registered in alabama, arkansas, california, florida, georgia, hawaii, louisiana, mississippi, north carolina, new mexico, oklahoma, south carolina, tennessee and texas and model year 2007 vehicles registered in: alabama, arkansas, georgia, hawaii, louisiana, mississippi, north carolina, new mexico, oklahoma, south carolina and tennessee. The safety recall is expected to begin on or before february 4, 2010. Owners may contact chevrolet at 1-800-630-2438, saturn at 1-800-972-8876 and pontiac at 1-800-620-7668 or at the owner center at www.gmownercenter.com.

What owners report

Short excerpts of recent complaints, with personal details removed. Full reports are on NHTSA.gov.

The contact’s wife owns a 2006 Chevrolet Cobalt. The contact stated there was an abnormal fuel odor inside the cabin of the vehicle. While exiting the vehicle, the contact became aware that there was an oil leak underneath the rear end of the vehicle, and the fuel odor was more evident. There…

Received Jul 25, 2025 · NHTSA complaint 11676098

The contact owns a 2006 Chevrolet Cobalt. The contact became aware that fuel had been puddling underneath the vehicle. The contact had previously noticed an abnormal gasoline odor inside the cabin of the vehicle. The contact stated no warning light was illuminated. The contact had not taken the…

Received May 1, 2023 · NHTSA complaint 11519846

The contact owns a 2006 Chevrolet Cobalt. The contact stated while standing outside the vehicle a fuel odor was detected. The contact also stated that while driving, there was a fuel odor detected inside the vehicle. The vehicle was not taken to the dealer or independent mechanic to be diagnosed or…

Received Apr 5, 2022 · NHTSA complaint 11459710
Chevrolet Cobalt
2005-2007 Chevrolet Cobalt photographed in USA.. Representative photo; appearance varies by model year. Photo: IFCAR, Public domain, via Wikimedia Commons.

Frequently asked questions

Do all 2006 Chevrolet Cobalts have fuel system, gasoline problems?

No. NHTSA has 215 owner complaints about fuel system, gasoline for the 2006 Chevrolet Cobalt (9% of the 2,330 complaints for this model year). Complaint data shows that the problem is reported, not how many of all cars sold are affected.

Was there a recall on the 2006 Chevrolet Cobalt fuel system, gasoline?

Yes: 1 safety recall list fuel system, gasoline. Check your VIN on NHTSA.gov to see whether the fix was done on your car.

At what mileage do fuel system, gasoline problems start?

The median reported mileage is 74,800 miles: half of the reports with a mileage came before that.

How much does it cost to fix fuel system, gasoline problems on the 2006 Chevrolet Cobalt?

Owners report a typical cost of $910 (half paid between $830 and $1,150), from 16 complaints that state a repair bill or quote, in 2026 dollars.

What do owners say about fuel system, gasoline problems on the 2006 Chevrolet Cobalt?

The most frequent phrase is “fuel pump”, in 132 of 215 complaints, followed by “gasoline delivery” (60).

Other 2006 Chevrolet Cobalt problems

See all 2006 Chevrolet Cobalt problems or fuel system, gasoline problems across all Cobalt years.