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2005 Chevrolet Cobalt Engine Problems and Repair Histories

51 TrueDelta members own a 2005 Chevrolet Cobalt. 10 of these members (19.6%) have reported engine repairs for their car. A total of 13 engine repairs to 2005 Chevrolet Cobalts--an average of 0.3 per vehicle--have been reported.

See our lemon odds and nada odds page for more details. To see how frequently 2005 Chevrolet Cobalt problems occur, check out our car reliability stats.

Want to read about specific problems behind these stats? Jump to the 2005 Chevrolet Cobalt problem descriptions below.

Don't infer 2005 Chevrolet Cobalt problem frequency from what you see on this page. Many lucky owners have had no repairs, and their cars are not shown.

Percentage of 2005 Chevrolet Cobalt repairs by problem area

25% of the 2005 Chevrolet Cobalt repairs were to the engine, 14% to the transmission, 14% to the brakes, 22% to the suspension, 16% to the electrical or air-conditioning systems, 8% to the body and trim, and 2% to other areas of the vehicle.

Chart based on 51 repairs.

2005 Chevrolet Cobalt engine repair cost distribution

Of the 2005 Chevrolet Cobalt engine repairs that were not covered by warranty and were not do-it-yourself repairs, 20% cost less than $100, 60% between $100 and $499, and 20% between $500 and $999.

Chart based on 10 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 2005 Chevrolet Cobalt Engine problems and repair histories. Log in or join us to see them all.
Repair costs are in local units.

2005 Chevrolet Cobalt 4dr Sedan

145-horsepower 2.2L I4 5-speed manual FWD

Chevrolet Cobalt in Ohio, United States
Date Odometer
(in miles)
Cost Problem/Repair Description
Sep 2007 39000    
41000 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 0 Engine Light went out in April with no further repairs. 
83000 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

Chevrolet Cobalt in Pennsylvania, United States
Date Odometer
(in miles)
Cost Problem/Repair Description
Nov 2010 64000    
68000 500 serpentine belt needed replacing 
75000  
Chevrolet Cobalt in California, United States
Date Odometer
(in miles)
Cost Problem/Repair Description
120 Throttle Body Actuator set check engine light off. Got code, then ordered part and fixed myself for 120. 
75000  
Chevrolet Cobalt in Wisconsin, United States
Date Odometer
(in miles)
Cost Problem/Repair Description
Sep 2007 54000    
59000 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 ... 
 
Chevrolet Cobalt in Ontario, Canada
Date Odometer
(in miles)
Cost Problem/Repair Description
Jan 2008 44020    
105400 280 Ignition coil went bad Also replaced fuel filter and plugs at the same time. 

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2005 Chevrolet Cobalt 2dr Coupe

supercharged 205hp 2.0L I4 5-speed manual FWD

Chevrolet Cobalt in New York, United States
Date Odometer
(in miles)
Cost Problem/Repair Description
Nov 2009 74000    
91000 252 IAT/MAP Sensor plastic was cracked, sensor and vehicle operated normally, replaced sensor anyways. 
116000 0 Intercooler pump has stopped working. Replacement pump ordered, yet to be installed. 
140000 0 intercooler pump failed 
 

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2005 Chevrolet Cobalt 2dr Coupe

145-horsepower 2.2L I4 5-speed manual FWD

Chevrolet Cobalt in Texas, United States
Date Odometer
(in miles)
Cost Problem/Repair Description
Oct 2007 64000    
103000 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 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. 
209000  

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2005 Chevrolet Cobalt 2dr Coupe

145-horsepower 2.2L I4 4-speed automatic FWD

Chevrolet Cobalt in Pennsylvania, United States
Date Odometer
(in miles)
Cost Problem/Repair Description
0 Key got stuck in ignition and would not come out. Replaced shifter. 
 

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