2006 Chevrolet Cobalt Engine Problems

Source: NHTSA · Updated Sep 18, 2025 · 93 complaints analyzed

Owners have filed 93 complaints with NHTSA about engine problems on the 2006 Chevrolet Cobalt, 4% of all complaints for this model year. Half of the reports with a mileage happened before 101,000 miles. The words owners use most often: “ignition switch” (11% of reports).

What owners describe

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

  • Ignition switch: mentioned in 10 of 93 complaints (11%)
  • Able restart: mentioned in 6 of 93 complaints (6%)
  • Stalled without: mentioned in 6 of 93 complaints (6%)
  • Check engine indicator: mentioned in 5 of 93 complaints (5%)

At what mileage do engine problems happen?

Based on 73 complaints that reported the odometer reading.

Under 10k miles0 · 0%
10k–25k miles3 · 4%
25k–50k miles9 · 12%
50k–75k miles10 · 14%
75k–100k miles12 · 16%
100k–150k miles27 · 37%
150k+ miles12 · 16%

How serious are the reports?

Of 93 complaints, 12 mention a crash, 3 a fire, 5 an injury.

Chevrolet Cobalt engine complaints by model year

Peak: 2006, with 93 complaints
2005: 692005692006: 932006932007: 562007562008: 362008362009: 392009392010: 38201038

n = 331 complaints · Source: NHTSA

Model yearEngine complaintsShare of that yearMedian miles
2010 Cobalt387%87,440
2009 Cobalt395%90,000
2008 Cobalt364%78,980
2007 Cobalt564%100,100
2006 Cobalt934%101,000
2005 Cobalt694%107,000

When owners reported it

Peak: 2014, with 38 complaints
2012: 6201262013: 6201362014: 382014382015: 122015122016: 9201692017: 5201752018: 2201822019: 6201962020: 3202032021: 1202112022: 3202232024: 1202412025: 120251

n = 93 complaints · Source: NHTSA

Related recalls (0)

No safety recall lists engine for the 2006 Chevrolet Cobalt. A pattern of complaints does not always lead to a recall.

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 car idles very low when stopped and sputters/putters like it's going to die. It has now actually died on me twice while driving, luckily when you put it in park and turn the car off and back on it starts right back up but you can see how this is a severe safety hazard. The first time it died I…

Received Jul 24, 2024 · NHTSA complaint 11604344

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…

Received Aug 4, 2022 · NHTSA complaint 11477531
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 engine problems?

No. NHTSA has 93 owner complaints about engine for the 2006 Chevrolet Cobalt (4% 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 engine?

No recall currently lists engine for this vehicle.

At what mileage do engine problems start?

The median reported mileage is 101,000 miles: half of the reports with a mileage came before that.

What do owners say about engine problems on the 2006 Chevrolet Cobalt?

The most frequent phrase is “ignition switch”, in 10 of 93 complaints, followed by “able restart” (6).

Other 2006 Chevrolet Cobalt problems

See all 2006 Chevrolet Cobalt problems or engine problems across all Cobalt years.