Honda Civic Catalytic Converter Failure Symptoms & Solutions

Do you have a bad catalytic converter? Your Honda Civic uses a catalytic converter to reduce its emissions. As part of your exhaust system, this essential part experiences heavy use in your daily commute or long road trip. Learn how to spot the signs of a catalytic converter failure and find out how to repair your converter or shop for the best Honda Civic catalytic converters on the market.

Signs of a Damaged Catalytic Converter

Basically, your catalytic converter is a screen that filters your emissions. Instead, of filtering out large particles, a catalytic converter converts harmful emissions into other gases. Over time, a catalytic converter can become clogged or damaged. Here are some signs that you may need to repair or replace your converter:

  • Decreased acceleration power
  • Misfiring engine
  • Reduced exhaust emissions
  • Reduced fuel efficiency

Just like your brake pads, it’s important to routinely inspect and replace your converter for optimal efficiency. Driving with a damaged or partially clogged converter isn’t dangerous, but your Civic may experience poor acceleration performance as your exhaust system is operating inefficiently. Over time, a complete clog could cause your engine to misfire and eventually stall, so it’s important to look into any signs of a damaged converter.

Nevertheless, it’s important to note that not all models of the Honda Civic are affected by catalytic converter breakdown. There were specific models that exhibited these issues, but over time, the problem appears to have diminished. If you’re considering purchasing a Honda Civic, it is advisable to either opt for a new vehicle or thoroughly research the Honda Civic years to avoid, particularly when considering a used car.

Repair Solutions

Having basic mechanical knowledge can help you fix the issue. Studying the process and having theoretical understanding is the first step to tackling the problem. You need to know why the issue has happened, and all the steps that you need to take to fix it. Some people may overlook the refitting of the converter into the exhaust system, for which you may need some engineering components like nuts, bolts, screws and other fixings. Comprehending the process from beginning to end is vital to repairing the issue properly.

If you believe you have a damaged or clogged catalytic converter, here are some steps you can take to restore the power and performance of your Honda. Typically, you can resolve the issue by choosing to test your Honda’s electrical system, clean your catalytic converter or replace the entire component.

A good place to start is with a diagnosis. Your Honda may have alerted you to an issue with your catalytic converter through a trouble code. An OBD-II trouble code may be a sign that your converter is damaged, or it could simply be caused by a damaged oxygen sensor or faulty wiring. Have a mechanic inspect your electrical system to ensure the issue is truly your converter.

Next, it is possible to clean out your catalytic converter. The easiest way to do this is by driving on the highway. Be sure you have a safe place to drive the speed limit for a few miles. Driving at these speeds, then pressing the brakes a few times, may clear any contaminants from your catalytic converter. Otherwise, you’ll need to have a mechanic inspect the converter and give it a thorough cleaning.

Finally, you may need to replace your catalytic converter if the screen is damaged. Because these precision parts use a portion of rare metals to convert your emissions, it isn’t easy to repair a damaged screen. You’ll need to remove the converter and purchase a new one that fits your Honda Civic.

Maintain Your Honda Civic Today

As you check your motor oil and perform other routine maintenance on your Honda Civic, keep an eye on your catalytic converter. Be cautious of any signs of a clogged converter as you’re driving. If you notice any of these symptoms, be sure to take your Civic to a qualified mechanic or replace your catalytic converter yourself. Shop for the best prices and a wide selection of legal converters for your Honda today.

Infographic Provided By Golen Engine Service

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