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Chevrolet Cobalt repairs by problem area

Engine (24%)

Transmission and Drivetrain (8%)

Brakes and Traction Control (9%)

Suspension and Steering (25%)

Electrical and Air Conditioning (15%)

Paint, Rust, Leaks, Rattles, and Trim (15%)

Other (4%)

Chart based on 394 repairs.

Chevrolet Cobalt engine repair cost distribution

$2500+ (4%)

$1000 - $2499 (2%)

$500 - $999 (21%)

$100 - $499 (57%)

< $100 (15%)

Chart based on 47 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.
Non-members can see only ten Chevrolet Cobalt repair histories. Log in or join us to see them all.

2007 Chevrolet Cobalt 4dr Sedan

148-horsepower 2.2L I4 4-speed automatic FWD

27590 mi Replaced thermostat under warranty. 

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2007 Chevrolet Cobalt 2dr Coupe

148-horsepower 2.2L I4 5-speed manual FWD

10000 mi Crank Angle Sensor leading to CEL and Tach failure. Crank Angle Sensor resulting in CEL and Tach failure. 

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2006 Chevrolet Cobalt 4dr Sedan

145-horsepower 2.2L I4 4-speed automatic FWD

17000 mi Oil leak detected at oil change. Scheduled repair and mechanic found head to be leaking and porous. Head replaced with new. 
282000 mi

US $33
Purge Valve for Evap. Cannister system replaced. Total cost $33 for parts. 
300000 mi

US $45
Front O2 Oxygen sensor replaced 
303000 mi

US $80
Ignition Control Module replaced 
310000 mi Ignition control module replaced again...part under warranty. 
26040 mi Engine ceased to function on 2 of its cylinders. Faulty control module. 
10000 mi Email 2-8-2007: Took car to dealer to try to find a hesitation problem that I have had at stop lights. It just feels like the car misses a beat once and a while. Dealer found nothing wrong. 
17000 mi I was only getting 25 MPG, should be higher, vehicle running ok. Found two codes P1300 engine misfire detected, P0171, fuel trim lean. Needs injectors cleaned and PCM reprogramed. 

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2005 Chevrolet Cobalt 4dr Sedan

145-horsepower 2.2L I4 5-speed manual FWD

41000 mi

US $15
Engine light diagnosed as fuel system problem/lean. Added 64 oz. mineral spirits to full tank of gas. Presently waiting for light to go out(mineral spirits are same as injector cleaner). 
45000 mi Engine Light went out in April with no further repairs. 
83000 mi

US $121
Engine light on. code said O2 sensor. replaced and light stays off. 

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2005 Chevrolet Cobalt 4dr Sedan

145-horsepower 2.2L I4 4-speed automatic FWD

59000 mi

US $85
Check engine light was on they said it was due to the knock sensor needing to be reprogrammed and the "evap vent solenoid" needed to be replaced. I have not noticed any change in mileage or performance so I decided to not pay the $300+ they quoted me ... 

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2005 Chevrolet Cobalt 2dr Coupe

145-horsepower 2.2L I4 5-speed manual FWD

103000 mi

US $247
Car wouldnt start one morning. Took off the coils and removed the boots and saw that cylinders 2 and 3 werent firing. Replaced the coil packs and the ignition control module and its been riding smooth since. 
207000 mi

US $700
Rocker disintegrated, shoved intake valve open, crashed into piston, rod fell apart, bent oil pickup in oil pan. Replaced rocker and entire bottom end. 
211000 mi Spun a rod in the rebuilt motor after 4k miles. car is down and wont be repaired again, not worth putting any more money into. gonna sell it to pick n pull 

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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 Chevrolet Cobalt problems occur, check out our car reliability stats.