Question about 2006 Hyundai Accent

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Error code P2096

The Catalytic Converter has just been replaced and this error code came up after several miles of driving it.

Posted by Anonymous on

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4 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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Gort007
  • 1187 Answers

SOURCE: check engine light but no fault codes

First:
Take the Accent to AutoZone. They will scan the code (free) and give you a print-out with a "general" explanation (free). They can also reset it properly.

Next:
Let us know the codes and a summary of the print-out. We will advise you.

Answers to your questions:
The sensors at the cat are O2 (Oxygen) sensors.
Problem could be the cat or could be a faulty sensor. My money is on the O2 sensor.

Could be lots of things, like sticky fuel injector...
Don't change the catalytic convertor just yet.
My opinion is that the "shop" doesn't really know and is hoping that replacing the cat will fix it all (my opinion).

If you eventually change out the cat, go to a local muffler shop, not a national chain. They will do the same job for a lot less and not try to sell you other stuff.

Posted on Oct 01, 2009

Testimonial: "there are no fault codes! Reset yesterday only 20 miles so far so good"

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nattsss
  • 119 Answers

SOURCE: catalytic converter or oxygen sensors?

i would replace the oxygen sensor first as it is the cheapest and easiest

Posted on Nov 06, 2009

alicantecoli
  • 22246 Answers

SOURCE: Catalytic Converter 2002 Sonata Replace catalytic

if vehicle has less than 200,000 kms then i think cat is ok ,check the O2 sensors with a automotive meter rather than reading the obdii ,which i cannot do anyway in europe but at least you will know if they work or not their are two O2 sensors on each cat one before the and one after ,unless this is a high mileage vehicle i dont think the cats will be gone

Posted on Apr 11, 2011

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1 Answer

Catalytic converter monitor will not let me smog car inspite of 1month driving and 700 miles on car


can be a bad cat /sensor / computer or wiring usually takes about a 100 to 125 miles on most vehicles to reset after clearing a code dead battery or replacing battery but thats if all systems are working properly if it was reset because of a code and that part of system hasnt reset than more than likely a problem with a component or system from original code

May 07, 2016 | 2000 BMW 3 Series

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How many times does the catalytic converter test have run before the code P0420 clears.


You need to put a scanner on the car and clear the codes and see if they come back. Normally you need to drive approx. 50 miles for the computer to cycle through all of the checks it makes.

Oct 16, 2015 | 2002 Buick Park Avenue

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Engine light on with P2096 code


Did you replace the O2 sensor after the catalytic converter? This code is set by the rear O2 sensor. It usually indicates early failure or restricted catalytic converter. May want to have an exhaust back pressure test performed.

Jul 07, 2014 | 2005 Jeep Wrangler

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P2096 engine code


1st google hit.
P2096 Suzuki - Post Catalyst Fuel Trim System Too Lean
to see this steps read the FSM. it covers this.
lots of tests. not guessing.
Low fuel pressure
- Misfire condition
- Large vacuum leak
- Air leak near sensor
- Plugged catalytic converter
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Jul 01, 2014 | 2007 Suzuki Swift 1.3

1 Answer

How often should I replace the fuel filter?


code p2096 refers to post catalytic converter fuel trim (FT) bank 1 ---too lean==causes cat converter ---exhaust leak
it also refers to heated oxygen sensor(HO2S) 1 bank 1 range / performance ---circuit high===causes --wiring short to positive---HO2S

first replace the HO2s and check the wiring is in good condition as it appears that that item is causing the code to appear
About the filter. In all fuels ( no matter who sells it ) there is always a very fine sand like substance that that comes with the fuel when you buy it . If this is not filtered out by a good quality filter it abrades the injector tips -- blocks the tips -- wears out the fuel regulator and will begin corrosion in the fuel system. This substance eventually blocks up the filter placing extra load on the fuel pump and will be a cause of misfiring in the engine .. If you do a lot of travelling then you may pick up water and other rubbish that the filter removes so in extensive driving conditions the filter should be changed every 10.000 miles with the oil and oil filter service. If you drive around town and use the one servo then every 6 months or 20.000 miles would be an ok replace time

Jan 25, 2014 | 2007 Suzuki SX4

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My 2000 blazer runs rough after warming up


Any trouble codes stored in the computer other than the catalytic converter ?
Anybody check base fuel pressure ?

Jul 07, 2013 | Cars & Trucks

1 Answer

P0420 error code


The fault code P0420 is caused by the catalytic converter falling below minimum efficiency level as measured by the catalytic converter monitor sensor (similar to an O2 sensor, but different function). The cat is not covered for 120,000 miles. Here is the correct information on the warranty of the catalytic converter.
The Federal Emission Warranty covers that part for a period of 8 years or 80,000 miles, whichever occurs first. So you are out by years in service and by miles.

Jul 28, 2017 | 2008 Pontiac G6

3 Answers

My check engine light came on and I took the car to the auto parts store and they diagnosed it as the catalytic converter. I stopped driving it for a few months took. Then I took the car for an...


What was the exact code? The O2 sensor after the Catalytic Converter, or Rear O2 Sensor, could be faulty which would cause the computer to think the Catalytic Converter is not working efficiently. The code can be reset at the auto parts store with the same code reader they used the first time. P0420 is the most commonly thrown OBDII code pertaining to catalytic converter efficiency below threshold. I would replace the O2 sensor after the Catalytic Converter and reset the computer to see if the code comes back. If it comes back you may have a bad catalytic converter, exhaust leak, damaged exhaust pipes, damaged O2 sensor wiring/connectors, plugged catalytic converter, etc.

Apr 26, 2011 | Nissan Altima Cars & Trucks

1 Answer

I;ve a problem with a code defenition. p2096


This code means "Post catalyst fuel trim is to lean", what does this mean? it means that the signal coming from the sensor after the catalytic converter is always showing a lean fuel air ratio, that is what "trim means" most likely the sensor is defective, I recommend you replace the sensor after the main catalytic converter, this is the sensor that looks like an O2 sensor and is commonly called the post catalytic converter efficiency monitor, its job is to monitor the output gases of the catalytic converter and verify that the catalytic converter is doing its job of cleaning the exhaust stream. Just to make sure u have all the reasons this code is set here are all the poss reasons for the copmputer to set this code, the sensor is the most common one.

ALL Possible Causes

EXHAUST LEAK

ENGINE MECHANICAL

P[OST CAT O2 RETURN DOWNSTREAM CIRCUIT

FUEL CONTAMINATION

POST CATALYST O2 HEATER CIRCUIT

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1 Answer

Check engine light comes on stays on for several days or weeks. Then it goes off, comes back on after several days. Had it checked at a local shop showed a cadalis code bank one, parts store check code...


What is 'cadalis' code? ... catalytic converter efficiency below threshold? If so, it's not the O2 sensor. The converter is worn out if the code is catalytic converter efficiency. Sorry, expensive repair.

Jun 06, 2009 | 2004 Hyundai XG350

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