Question about 2004 Kia Sedona

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Kia Sedona bank 2 catalyst converter

Havent cause dont have the money to fix

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My best suggestion is to see if local wrecking yard has a catalytic converter (preferably a pair, 1 for each bank) from a newer wrecked Kia Sedona or similar vehicle. According to my manuals that cover Sephia/Spectra, the catalytic converters are connected to the exhaust system with bolts, and in some applications, springs and bolts. The Chilton/Haynes repair manual, which I was referencing, has step by step instructions in doing this repair. The best investment you can make is a Chiltons/Haynes repair manual that covers your make/model/year of vehicle. I do find it odd that the cat converter went bad on one side only, and on what would be considered a newer vehicle. I'm running the original cat converters in GM and Kia vehicles, and the newest one is 2002.

Posted on Dec 14, 2014

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SOURCE: Hi i get codes P0431 and P0174 on a 2002 Kia

I have tried everything, but I am coming to the conclusion that I have a bad pcv letting in too much air. The concensus of how to fix it seems to be to clean the MAF with some electical cleaner or brake cleaner. Basically, you are getting too much air into the throttle body after the MAF or a dirty MAF.

Posted on Mar 11, 2009

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SOURCE: Kia Sedona overheating. New radiator/compressor. Now what??

Hi,
To start with you have to do this:
With the engine cold, start the car and say after 30 to 40 secs. open the radiator cap.
Carefully and slowly, cause if the problem is either in the cylinder block or cylinder head this shows immediately as water would be compressed in the radiator ( even though the motor is still cold ).
If nothing happens and you would not notice any bubbles in the radiator, then we have to talk again.
Joe ( Malta )

Posted on Jul 10, 2009

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SOURCE: Kia Sedona 2003 AC not working. Had compressor

normally it is the line between the compressor and the condenser..the metal to rubber hose connection under the silver wrap..this is a common problem that kia knows about...good luck

Posted on Jul 13, 2009

  • 1 Answer

SOURCE: Kia sedona. Knocking sound from Engine

I assume by now you have this problem fixed, but if not, or for the benefit of others looking for help, try replacing the coil on the #5 cyl as well as the injector. Ours did same thing, except fault code was on #2 cyl, so I got the parts from local parts store for about $150 total, and completed the repairs myself on my wife's 2003 Sedona. Now i can start on the rear heater issues, the knocking sound coming from the LF tire area while in motion, and replacing all brake pads. 92,000 on the odo. I'll spend the extra $ and go with the Honda Odyssey next time.

Posted on Jan 02, 2011

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My 2003 kia sedona won't pass emissions the codes are p0320 p0431. Help please


code p 0320 refers to crankshaft position(CKP) sensor /engine speed ( RPM) sensor ---circuit malfunction===causes --wiring---CKP/RPM sensor---ECM
code p 04310 refers to warm up catalytic converter, bank 2--efficiency below threshold===causes ---cat converter---wiring---HO2S 2
As it is not passing the smog test I would be replacing the HO2S sensor ( manifold or before the cat on bank 2 of the engine ) or more likely a failed cat converter
you may have had the P 0320 code for a long time and have not noticed a drop in performance but as cat converters have a lot to do with smog control , that is the area I would advise checking first

Jan 16, 2016 | Kia Cars & Trucks

2 Answers

P0420 fault not going away


covers other aspects as well.

P0420 Chevrolet - Catalyst System Low Efficiency Bank 1 Repair Importance Level: 2/3 Repair Difficulty Level: 2/3 alt="What does this mean?"> alt="PDF"> alt="Share Code"> 3 alt="P0420 Chevrolet Comments"> ' Add Comment alt="Close Selection"> http://engine-codes.com/p0420_chevrolet.html Forum Code Possible causes - Three way catalyst converter Bank 1
- Exhaust tube
- Intake air leaks
- Fuel injectors may be faulty
- Fuel injector leaks
- Spark plugs may be faulty
- Improper ignition timing
- Powertrain Control Module (PCM)
alt="What does this mean?"> What does this mean? Tech notes As the code description implies the P0420 code means that the vehicle's control module has detected that the three-way catalytic converter is not working properly (is not as efficient as the factory is expecting). Replacing the oxygen (O2) sensors may sometimes fix the code, but in most cases the catalytic convert needs to be replaced to fix the problem. If the P0420 code is combined with other codes, try fixing the other codes first.
alt="What does this mean?"> What does this mean? When is the code detected? If a condition exists which causes the Powertrain Control Module (PCM) to detect excessive Bank 1 HO2S #2 activity outside of an acceptable range for an extended period of time, the PCM will set the P0420 code. This indicates that the three-way catalytic converters oxygen storage capacity is below a threshold considered acceptable. Possible symptoms - Engine Light ON (or Service Engine Soon Warning Light) P0420 Chevrolet Description In order to maintain a reasonably low emissions of Hydrocarbons (HC), Carbon Monoxide (CO), and Oxides of Nitrogen (NOx), the engine controls system uses a three-way catalytic converter. The catalyst within the converter promotes a chemical reaction which oxidizes the HC and CO present in the exhaust gas. This reaction converts them into harmless water vapor and Carbon Dioxide. The catalyst also reduces NOx, converting it to Nitrogen. The Powertrain Control Module (PCM) monitors this process using Bank 1 HO2S #2. Bank 1 HO2S #2, located in the exhaust stream past the three-way catalytic converter, produces an output signal which indicates the oxygen storage capacity of the catalyst. This determines the catalysts ability to convert exhaust emissions effectively. If the catalyst is functioning correctly, the Bank 1 HO2S #2 signal will be far less active than that produced by Bank 1 HO2S #1.


Read more: http://engine-codes.com/p0420_chevrolet.html#ixzz3n9JdbrFG

Sep 29, 2015 | 2009 Chevrolet Lumina SS

1 Answer

I have a 2002 yukon xl 1500 slt 5.3 and I took it to auto zone gave me a code of p0420.Do u have any suggestions on this code?And what can I do about it?I don't have any money and I need my vehicle.Can you...


P0420 GMC - Catalyst System Low Efficiency Bank 1 ' Add Comment
Possible causes
- Three way catalyst converter Bank 1
- Exhaust tube
- Intake air leaks
- Fuel injectors may be faulty
- Fuel injector leaks
- Spark plugs may be faulty
- Improper ignition timing
- Powertrain Control Module (PCM)
What does this mean?
Tech notes
As the code description implies the P0420 code means that the vehicle's control module has detected that the three-way catalytic converter is not working properly (is not as efficient as the factory is expecting). Replacing the oxygen (O2) sensors may sometimes fix the code, but in most cases the catalytic convert needs to be replaced to fix the problem. If the P0420 code is combined with other codes, try fixing the other codes first.
What does this mean?
When is the code detected?
If a condition exists which causes the Powertrain Control Module (PCM) to detect excessive Bank 1 HO2S #2 activity outside of an acceptable range for an extended period of time, the PCM will set the P0420 code. This indicates that the three-way catalytic converters oxygen storage capacity is below a threshold considered acceptable.
Possible symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P0420 GMC Description
In order to maintain a reasonably low emissions of Hydrocarbons (HC), Carbon Monoxide (CO), and Oxides of Nitrogen (NOx), the engine controls system uses a three-way catalytic converter. The catalyst within the converter promotes a chemical reaction which oxidizes the HC and CO present in the exhaust gas. This reaction converts them into harmless water vapor and Carbon Dioxide. The catalyst also reduces NOx, converting it to Nitrogen. The Powertrain Control Module (PCM) monitors this process using Bank 1 HO2S #2. Bank 1 HO2S #2, located in the exhaust stream past the three-way catalytic converter, produces an output signal which indicates the oxygen storage capacity of the catalyst. This determines the catalysts ability to convert exhaust emissions effectively. If the catalyst is functioning correctly, the Bank 1 HO2S #2 signal will be far less active than that produced by Bank 1 HO2S #1.

Mar 31, 2015 | 2002 GMC Yukon XL

1 Answer

Location of bank 2 sensor 1 on a kia Sedona 2005 lx


left side of exaust after catalictic converter

Oct 27, 2014 | 2005 Kia Sedona

1 Answer

Light just came on when started vehicle. Another code followed P0430. Vehicle seems to run fine. thanks


P0430 - Catalyst System Efficiency Below Threshold Bank 2

The ECM or PCM monitors the switching frequency ratio of heated oxygen sensors 1 and 2.

A three way catalyst converter(Manifold) with high oxygen storage capacity will indicate a low switching frequency of heated oxygen sensor 2. As oxygen storage capacity decreases, the heated oxygen sensor 2 switching frequency will increase.

When the frequency ratio of heated oxygen sensors 1 and 2 approaches a specified limit value, the three way catalyst (Manifold) malfunction is diagnosed.

catalytic_converter.gif

Possible Causes:
- Three way catalyst converter Bank 2
- Exhaust tube
- Intake air leaks
- Fuel injectors may be faulty
- Fuel injector leaks
- Spark plugs may be faulty
- Improper ignition timing
- Engine Control Module

Possible Solutions:
The most common cause it the three way catalyst converter Bank 1.

If the P0430 is combined with other DTC's try fixing those first and this code may clear.

Jan 30, 2011 | Nissan Armada Cars & Trucks

1 Answer

Catalyst System Efficiency Below Threshold (Bank 2) I have codes po430 and kia sedona 2005


Make sure the wiring on the back O2 sensors are good and tight.

Aug 07, 2010 | 2005 Kia Sedona

1 Answer

2003KIA SEDONA, 83,000 MILES CATALYTIC


these are not bad litte vans. you dont have to get the catalytic converter from kia. most exhaust shops will have weld on replacements for alot less money. this is coming from a kia master tech.

Jan 19, 2010 | 2003 Kia Sedona

1 Answer

'03 Kia Sedona EX - ONLY Error Code - Clogged Catalytic Converter - Causing hesitation and 3 mpg reduction in gas mileage. Van in very good condition, 78,000 miles, 1 yr of 500 Miles/wk of Commuting...


Most "common" cause is and engine misfire that causes unburned fuel to enter the converter and overheat/melt the catalyst. The converter is covered by 8yr/80,000 mile warranty for defects, and may be covered thru Kia. On a positive note we have a 2005 sedona shuttle van a work with 250,000 miles on it and qoing strong.

Dec 29, 2009 | 2004 Kia Sedona

1 Answer

I have codes po430 and p2422 kia sedona


P0430 Catalyst System Efficiency Below Threshold (Bank 2)
P2422 Evaporative Emission System Vent Valve Stuck Closed

Jun 19, 2009 | 2005 Kia Sedona

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