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There’s nothing worse than taking your car to get tested for new tags, only to receive an emissions test failure. This type of issue can cause a delay in renewing your tags and other headaches. Thankfully, some of the car problems that lead to failed emissions tests are minor.
So, how can you avoid failing your emissions test? Well, take a look at the information below to learn the common causes of emissions failure and how to deal with them.
An Overdue Oil Change
Something as simple as a past-due oil change can lead to emissions test failure. When there is clean oil in your car, it produces fewer hydrocarbons. Fewer hydrocarbons lead to cleaner emissions output.
But of course, if the oil in your vehicle is dirty, that’s a red flag and could cause you to fail your test. Getting an oil change is a simple fix, and you should consider doing it before you go through testing.
Leaking or Loose Gas Cap
This issue is fairly common, and it’s simple to correct. When you go through an emissions test, the gas cap is one of the first things they’ll check. If the cap isn’t tight enough, it could cause leaks that result in an emissions failure.
If you notice that your gas cap is loose, tighten it. On the other hand, if you have a gas leak, get a replacement that’ll properly seal the gas tank.
Your Check Engine Light Is On
If your check engine light is on, that’s an immediate fail. In most cases, the engine light pops on due to a broken oxygen sensor. Even if there’s a minor reason why your check engine light is on, get it fixed as soon as possible.
You never know why it’s on, so the problem could lead to an even bigger issue. Before you go get an emissions test, make sure the light is off. It’ll save you the time and hassle of repeatedly going through the process.
Dirty Air Filter
Believe it or not, your air filter can also cause you to fail your emissions test. When the filter is clogged, it could trigger high levels of hydrocarbons to be released. As a result, you’ll fail the test. If you’re not sure if your air filter needs to be changed, get it done before you go through emissions anyway.
Avoid an Emissions Test Failure
As you can see, there are several problems that can lead to an emissions test failure. But the good news is, most of those issues are minor and easily fixable. It’s in your best interest to get your car checked before going through emissions.
That way, you’ll increase your chances of passing the test on the first try and avoid going back for testing multiple times.
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