The mil or check engine light. Symptoms of a bad or failing catalytic converter 1.

Easy To Understand Read About The Dangers Of A Clogged Catalytic

In some cases the restriction my be so severe that the car will not idle.

How to tell if catalytic converter is clogged. Sulfur smell from exhaust. When the engine misfires it overheats the exhaust system. If the converter clogged.

Check engine light comes on. Many cars have dashboard lights that indicate when a catalytic converter isn t working properly. When a catalytic converter is clogged you are likely to notice several symptoms including a drop in your car s fuel efficiency failure to accelerate properly and even your car not starting correctly.

Here are five signs that something may be wrong with your catalytic converter. One of the most common symptoms of a clogged catalytic is. If it starts out normal then slowly drops it likely has an exhaust restriction.

A catalytic converter can lose its efficiency without being clogged. What are the symptoms of clogged catalytic converter. Loss of power during accelerating.

Your vehicle doesn t accelerate when you step on the gas pedal. Your vehicle fails an emissions test. Overall poor engine performance.

The best way to check for an exhaust clog is to use a vacuum gauge. Run the car at idle while monitoring the intake manifold vacuum. Your vehicle may refuse to start.

Your vehicle s fuel efficiency suddenly drops. Not all bad catalytic converters are clogged catalytic converters. A clogged catalytic converter is different from a cat that is worn out or damaged chemically although they may present some of the same symptoms.