2009 Chevrolet Cobalt Chevrolet Cobalt 2009

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2009 Chevrolet Cobalt repairs by problem area

Engine (23%)

Transmission and Drivetrain (12%)

Brakes and Traction Control (8%)

Suspension and Steering (8%)

Electrical and Air Conditioning (23%)

Paint, Rust, Leaks, Rattles, and Trim (23%)

Other (5%)

Chart based on 66 repairs.
See TSBs and recalls for the 2009 Chevrolet Cobalt.

2009 Chevrolet Cobalt engine repair cost distribution

$2500+ (14%)

$1000 - $2499 (0%)

$500 - $999 (14%)

$100 - $499 (71%)

< $100 (0%)

Chart based on 7 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.

2009 Chevrolet Cobalt 4dr Sedan

turbocharged 260hp 2.0L I4 5-speed manual FWD

26000 mi Turbo failed. 

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2009 Chevrolet Cobalt 4dr Sedan

155-horsepower 2.2L I4 5-speed manual FWD

136000 mi

US $500
After two visits to the dealership for MAF code P0102 they found that the plug/ wire had broken in the connector. After the MAF problem was resolved I was getting a code for the Valve Cam Position Sensor. 
136000 mi

US $180
P0172 code for running rich. I am still chasing it down. Changed spark plugs and added fuel injector cleaner to the gas. Still reads code but light is out. It may be fuel filter/ pump or computer problem. 

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2009 Chevrolet Cobalt 4dr Sedan

155-horsepower 2.2L I4 4-speed automatic FWD

51700 mi

US $269
cam position actuator replacement 
29400 mi Service Engine light came on for 6 days - not an issue with a loose gas cap. Vent solenoid wires both broken 12 inches from solenoid. 

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2009 Chevrolet Cobalt 2dr Coupe

turbocharged 260hp 2.0L I4 5-speed manual FWD

82000 mi

US $423
Engine light had been on for about a year. Replaced intake and exhaust cam sensors my self based on codes. Did not repair the problem. Had dealer replace the throttle body sensor. 
41000 mi

US $26
Exhaust valve actuator failed. Repaired in the driveway. 
3000 mi Cold air duct was rerouted 
3720 mi ECM failure. Don't know why or how, probably just defective from the factory. Car threw a CEL and later, after 10 kms it started to sputter and rev at unusual idle levels and it was also in "limp" mode. Threw 9 codes at the dealer; they determined ECM 
27280 mi Mass absolute pressure sensor failure.... new part installed, no recurring problems. 
30380 mi

C $4300
Weak valve springs happened twice.. 1st time under warranty, 2nd time was on my own bill but I upgraded to an entirely new upgraded head, so the problem will NOT return. 
-1240 mi

C $8000
Engine was leaking coolant into oil pan gradually worsening until 1gal was lost in 5 minutes of runtime. Condition known as "porous block" GM refuses to acknowledge problem. Repairing on my own. Head gasket attempt-failed. Car down for 3yrs 

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2009 Chevrolet Cobalt 2dr Coupe

155-horsepower 2.2L I4 5-speed manual FWD

50000 mi

US $530
VVT solenoids replaced Tires rotated 

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2009 Chevrolet Cobalt 2dr Coupe

155-horsepower 2.2L I4 4-speed automatic FWD

51000 mi

US $140
loose wire in MAF sensor 

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See TrueDelta's information for all Coupes and Sedans.
See TrueDelta's information for all Chevrolet models.

2009 Chevrolet Cobalt Engine Problems

See our lemon odds and nada odds page to see vehicles with no repairs or vehicles with more than three repairs. To see how frequently 2009 Chevrolet Cobalt problems occur, check out our car reliability stats.