Thunder Bay Auto & Truck Repair

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What are the Symptoms of a Bad Catalytic Converter?


Catalytic converters are an essential element of your car's emissions system, but they may fail if they get clogged. Your car's exhaust gas can't pass through the muffler when this occurs, which is common in older vehicles. As a result, the engine will ultimately shut down due to a lack of fuel and air in the combustion chamber, resulting in a loss of power and a flat battery. Essentially, the catalytic converter "fails" to do its function.

Is there a way to tell whether your car's catalytic converter is bad? Clogged catalytic converter symptoms include the following:

#1: Having Trouble Starting Your Car

Sleepiness or trouble getting out of bed in the morning is one indication of liver failure. A blocked catalytic converter may have the same impact on your automobile, making it difficult — if not impossible — to start it.

What causes this to happen?

Having a clogged catalytic converter permits exhaust gases to infiltrate your car, causing the engine to stop due to higher exhaust pressure. If your automobile seems to be in good condition at first, but suddenly begins stopping or sputtering, it might be a sign of a catalytic converter problem.

#2: Your Fuel Efficiency is Inadequate

Have you noticed that your gas mileage isn't what it used to be? Was it a sudden occurrence? This might be another sign of a failing catalytic converter. The less oxygen your engine gets, the more difficult it has to operate. The more gasoline it uses, the harder it has to work. The more gasoline it uses, the less miles per gallon you will obtain from your fuel.

#3: When The Check Engine Light Comes On


Just as your body alerts you when your liver is failing, your car's warning light also alerts you. If your automobile was made in 1996 or later, it should have an on-board diagnostic system that automatically checks the catalytic converter. Air-to-fuel ratio sensors, which assess if your exhaust pipe is polluting too much, may turn on the check engine light.

In certain cases, the failure of another automotive component, such a spark plug, causes the catalytic converter to fail.

If you're having these problems with your car, don't hesitate to have it checked out at Preferred Auto & Fleet Service!

725 May St N Thunder Bay, ON, P7C 3S1 (807) 622-1998
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