Question about 2001 Toyota Corolla

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My toyota 1997 is real sluggish when i take off could it be in my catalytic converter

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Could be several things,the converter is a possible.
You need to find out why it failed,if it did,and correct the issues first,before replacing it.

Posted on Sep 10, 2010

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Toyota T100 loses power when driving. New spark plugs, wires, fuel and oil filter

new catalytic converter may be faulty restricting exhaust causing loss of power.

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1 Answer

Check engine light Po420... What is the most likely cause for an EGR flow insufficient problem

The most probable cause would be blocked system. However code p0420 refers to catalytic converter system bank 1--efficiency below threshold===causes--catalytic converter faulty---wiring ---HOS2. It is more likely that the oxygen sensor needs attention and the cat converter needs replacing

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New timing belt replaced head reworked new plugs now runs real sluggish but all timing marks match up

Check the catalytic converter for restrictions, check egr valve and ignition timing.

Jul 28, 2011 | Ford Ranger Cars & Trucks

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I have a 2003 Impala. It has been runing real sluggish for a while. Now it dies when I step on the gas and I have to lift to make the transmission shift. I cannot go on the interstate. My car won't go over...

Most likely the catalytic converter. It is not an expensive fix, about $250 to $300 installed is all you should pay. You should also get the fuel filter changed at this time if you have not done so in the last 6 months to a year. The filter plus install should be about $50 to $75 bucks. Your car should be better than you can ever remember with these two changes.

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1 Answer

2005 nissan altima catalytic converter problem. car turns on but runs very sluggish

you already know whats wrong.......
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Feb 15, 2011 | 2003 Toyota Corolla

1 Answer

Fells like power is beign restricted

This could be the catalytic converter. When they get plugged up the car will feel real sluggish. Take it to a muffler shop and have the converter looked at before you do anything else. If not the converter I would look at the fuel pum and then a worn valve can also cause these symptons.

Feb 09, 2011 | 1994 Chevrolet Caprice

1 Answer

I have a 1997 hyundai elantra and i have three code problems what are they and what do i need to do to fix them. p0422, p0442,p0446

P0422 - Catalyst below threshold.

Catalytic converter is clogged or out of medium.

Replace it.


Fault Code Definition
Code P0422 indicates that the Bank 1 Main Catalytic Converter's emissions efficiency has fallen below the minimum allowable limit. This threshold is tracked by a Catalyst Monitoring Oxygen Sensor located on or near the outlet of the Catalytic Converter.


* Check Engine Light will illuminate
* In many cases, no abnormal symptoms may be noticed

Common Problems That Trigger the P0422 Code

* Defective Catalytic Converter
* Engine misfires have damaged the Catalytic Converter
* Internal engine damage resulting in high oil consumption and/or a leaking Head gasket has damaged the Catalytic Converter

Common Misdiagnoses

* Oxygen Sensors are replaced when the real problem is a damaged Catalyst
* Catalyst is replaced when the real problem is internal engine damage, which is producing elevated emissions levels
* Catalyst is replaced when a misfiring engine is the real problem

Thanks for using FixYa - a 4 THUMBS rating is appreciated for answering your FREE question.#$@!

Feb 20, 2010 | 1997 Hyundai Elantra

1 Answer

Bad acceleration

Your catalytic converter needs to be replaced. It's becoming clogged, and preventing your exhaust from escaping properly.

May 25, 2009 | 1993 Toyota Celica

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