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The only real way is to take it to a garage and get them to check the exhaust emissions. This only takes about 5 minutes and my local garage didn't charge me for this when I did this.

If the emissions are NOT OK, then this could point to problems with the fuel injection system as well. If the emissions are fine, then so is everything else.

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โˆ™ 2015-07-15 18:42:54
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Q: How can you tell if a catalytic converter is bad?
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Related Questions

How can you tell What is bad the catalytic converter or is it a sensor?

replace sensor,catalytic converters smell like rotten eggs when going bad


How can you pass inspection when you need a catalytic converter?

There's no possible way to pass inspection with a bad catalytic converter, if if you find out you have a bad catalytic converter during your inspection you have a chance after you after you have replaced the catalytic converter and the inspection no no charge/free!!


Can a catalytic converter cause the EGR valve to go bad?

No, the catalytic converter is downstream from the EGR valve so it has no effect on it.


How do you know if a converter is bad on a Kia Rio?

Transmission torque converter or an exhuast catalytic converter?


Can a bad catalytic converter damage the ignition coils or a bad ignition coil can cause to catalytic to go bad on a ford expedition?

A bad coil can damage a converter. If the engine is misfiring, it will cause raw fuel to get into the converter and that can cause failure.


Can a bad catalytic converter cause hard starts?

A bad catalytic converter can cause hard starts if it has become clogged. This produces excessive back pressure in the engine.


How do you tell if catalytic converter is bad?

Bad Gas milege Gives a rattling sound if it breaks down Car stops running if it is totally blocked


How do you tell if your catalytic converter went bad?

Loss of power, poor fuel mileage, converter gets red hot, possibly check engine light will come on.


Will bad ignition coils cause the catalytic converter to heat up and go bad?

Yes. If a coil is bad causing one or more cylinders to not fire, this allows raw unburned fuel to enter the catalytic converter, where it is burned. This can ruin a converter.


How do you know catalytic converter is bad?

A bad catalytic converter will cause a severely restricted exhaust system. You would notice a lack of power and performance from you vehicle and in cases of a completely blocked converter, the engine may not run.


Can a muffler get clogged by a bad catalytic converter?

Yes it is possible.


Does it hurt your car to drive with a bad catalytic converter?

Yes it does.


How does a catalytic converter go bad?

They can become clogged or they can burn out.


Does a bad catalytic converter stop car from turning over?

No.


What are the signs of a clogged or bad catalytic converter?

Loss of power, and a converter that gets red hot.


Will it hurt to drive with a bad catalytic converter?

Yes, you can do serious damage to the engine if the converter is clogged.


What causes the catalytic converter to go bad?

There can be a few reasons for a catalytic converter to go bad. One of the causes could be clogs. Other reasons include plugs not working right, and bad exhaust valves.


How do you know which catalytic converter to change on a 2001 Montero Sport LXS 3.0?

have it scaned by a snapon computer it will tell the bad one


Can a 2001 astro van lose power up hill by a bad catalytic converter?

yes it can you can usually tell if your converter is bad by two ways if your car is running and the converter gets red hot or if the car is cool and you hit the converter and here stuff raddle inside


Symptoms of bad catalytic converter 94 lumina?

Some symptoms of a bad catalytic converter on a 1994 Lumina are engine stalling, engine backfiring, no start of engine, and poor power pick up. If the catalytic converter has rust holes, the vehicle will also be very loud when running.


How do you know which oxygen sensor on your 95 Dodge Intrepid is bad if the shop wouldn't say which one was bad unless the work is done at their store?

I believe bank 1 sensor 1 is Passenger side before catalytic converter. sensor 2 is after catalytic converter. bank 2 sensor 1 is Driver side before catalytic converter. sensor 2 is after catalytic converter.


How does a bad catalytic converter effect the way the car run does it feel like the car is struggling to pick up speed?

A foul smell is the most common sign of a bad catalytic converter. If you smell what seems to be a rotten egg and it gets stronger over time, the catalytic converter is not working properly. A large drop in your fuel economy may be a sign that your catalytic converter is going bad or is blocked. A lack of power, especially at high speeds, may be a sign that the catalytic converter is going, or has gone, bad.A vehicle that stalls during idle, or idles rough, may have a blocked or bad catalytic converter. Your catalytic converter may be blocked if you experience bucking or hesitation while trying to accelerate. Additionally, your vehicle may run at a higher than normal temperature. A catalytic converter typically doesn't go bad without an underlying cause. A mechanic should be able to find the original problem and may not have to replace the converter.


Can Dodge Intrepid obdii tell you which O2 sensor is bad?

Yes, It will tell you bank 1 or 2 then sensor 1 or 2 ...Bank 1 is the exhaust pipe coming from the side of the engine with cylinder 1. Sensor 1 is before the catalytic converter, and sensor 2 is after the catalytic converter.


Catalytic converter turns red?

have the car checked out, it could be a bad o2 sensor or a plugged converter.


How do you replace catalytic converter on 1999 Durango?

A shop can cut the bad converter out and weld a new one in.