Sometimes it may seem like expensive car repairs are unavoidable. After all, things happen and you just have to bite the bullet and pay for a costly fix. However, other times that is simply not the case, and the repair could have been avoided with a little preventative maintenance or by paying close attention to how your car is running. With that in mind, MSN Autos recently provided what it considers to be the most expensive car repairs you should keep an eye out for.

A catalytic converter is crucial to detoxifying exhaust emissions, which can be especially important to people looking to reduce their carbon footprint. Though many of them are built to last 15 to 20 years, sometimes a misfire or broken oxygen sensors can significantly shorten their lifespan. Due to their pricey parts, a new one can cost nearly $3,000.

The injection pump is one of the most important parts of car, as it is responsible for delivering fuel into the engine cylinders. Unfortunately, it can sometimes become clogged, which requires it to be changed. In smaller cars, the fix is not too expensive, but in SUVs and trucks it can labor intensive. Luckily, regular maintenance like routinely changing air filters can prevent the problem, the news source reports.

Cylinder failure can be one of the biggest issues a driver faces, but the good thing is that it can be caught early by addressing smaller problems like misfires. However, if the warning signs are ignored, it can lead to repair costing as much as $8,000.

"There are typically many warning signs," Art Jacobsen of CarMD.com told the news source.

Sometimes repairs are inevitable, and in that case you should head to New Jersey State Auto Auction's Total Car Care center. Located in Jersey City and open to the public, the center offers everything from general upkeep to fixes.