Question about 1998 Oldsmobile 88

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How many CAT converters does that vehicle have??

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Your car should have only 1-don't let anyone tell something else-they should run about $300.00
hope that helps-good luck

Posted on Nov 05, 2010

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Kia Sedona bank 2 catalyst converter


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.

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that Toyota has a 2.4 l 2az-fe 14of 155 hp and ran from 2001-2007 after which a v6 engine was installed
the sensor is the one before the cat converter as it is a heated oxygen sensor (KO2S) and reports on the gas composition to the ECM for air/fuel ratio adjustments
the oxygen sensor (O2) is after the cat converter and reports on the cat operation
have the cat converter checked at an accredited muffler shop

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Trying to replace cat converter w/a universal cat converter


Just buy the correct Vehicle Specific Converter
from Walker Exhaust

In California the answer is no,has to meet their
CAFE standards

Too much fabrication to install a part that doesn't
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On all late model vehicle's if you gut the converter then your engine automaticly goes into rich running as the heated oxygen sensors cannot work as they work on the converters heat and the bad mone you get just make it worse REPLACE it and save a bundle in gas money plus do your part to help clean the airJohnny

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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

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Check Engine Light came on. Had a dianogistic check indicating faulty Oxygen Sensor. Exactly where is the sensor located...was told 'upstream or downstream' of catalyic convertor. Accessible from under...


Oxygen sensors are located in your exhaust usually 2 - 1 upstream (in front of cat.converter) 1 downstream (behind cat.converter) and from under the vehicle.

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I bought a 2003 cat converter from NAPA(Part No.16403). My mechanic was unable to put the old heat shield back on. I am again seeing the "check engine soon" message on my instrument panel. ...


A 2003 vehicle probably did not need a new converter. Cat converters have to be run for years before they clog up. Depending on what kind of vehicle this is, you may have a post catalytic oxygen sensor problem. Also, depending on the vehicle, you can not just replace the converter with any old converter. Many vehicles require an OEM replacement converter in order for the sensors to work properly and these are expensive. Kansas City Converters (available online) sells replacement converters for a fraction of the price that will work with post catalytic sensors and not cause the check engine light to come on.

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1 Answer

1997 dodge ram 3500 starts but can't bring rpms up.


That sounds like an exhaust problem, if your cat. converter is bad your vehicle will start but have loss of power and you will struggle to get to and above 2,000 to if your lucky 4,000 rpms.
A good way to tell is if you run your vehicle for an extended period of time (specially driving), you can get under the vehicle and you might actually see the exhaust system close to the converter is red hot.
Your truck can run without it but it will fail any emissions test you take, it is located between your headers (on the engine block) and exhaust piping under the vehicle.on.
Hope this helps and the cat. converter usually has a manufacturer 5 to 10 year warranty that will cover replacement, if not it should run around $500.00.

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