10 Most Common Vehcile Repairs

Many of the most common repairs can easily be avoided if owners had paid attention to the preventive maintenance requirements.



Using the numbers from CarMD, which are based on 170,000 vehicle repairs for which vehicle owners and technicians submitted details to the company’s diagnostic system compiled from 1996 to 2010, MainStreet breaks down the 10 most common car repairs and provides some insight into which can be avoided.

10. Removing Aftermarket Alarm


Percent of Fixes in 2010: 1.96%

Average Cost: $75.85

9. Replacing Intake Manifold Gaskets

Percent of Fixes in 2010: 2.05%

Average Cost: $326.74

8. Replacing Ignition Coils


Percent of Fixes in 2010: 2.58%

Average Cost: $213.16

7. Replacing Engine Coolant Temperature Sensor

Robert Couse-Baker | FlickrPercent of Fixes in 2010: 2.65%

Average Cost: $132.62

6. Replacing Exhaust Gas Recirculation valve

Percent of Fixes in 2010: 2.85%

Average Cost: $288.19

5. Replacing Spark Plugs


makdune | FlickrPercent of Fixes in 2010: 3.71%

Average Cost: $311.40


4. Replacing Mass Air Flow Sensor


Percent of Fixes in 2010: 4.36%

Average Cost: $376.69


3. Replacing Catalytic Converter


Percent of Fixes in 2010: 6.40%

Average Cost: $1,001.74


2. Loose Fuel Caps

FlickrPercent of Fixes in 2010: 9.28%

Average Cost: 80 cents


1. Replacing Oxygen Sensor

Percent of Fixes in 2010: 9.43%

Average Cost: $238.71