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Unread 03-12-2002, 07:25 AM   #1
mkatchew
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Join Date: Mar 2002
Location: wi
Posts: 4
aftermarket converter question

95 JGC has an aftermarket catalytic converter on it that was there when I bought it used. Haynes manual says that converter should last lifetime of vehicle or be replaced by manufacturer under extended warranty. Want to know if this is something I can get replaced by the manufacturer with the correct converter. Any thoughts on this would be appreciared.

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Unread 03-12-2002, 08:07 AM   #2
fitzer
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Location: Raleigh
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Just because Haynes makes this suggestion does not mean that it is necessarily a good one. The factory/DC catalytic converters on GC's (at least on 93-98's, not sure about 99 and newer) are prone to go bad. They are not quality units.

My experience has confirmed this. I have a 93' GC with the 4.0L I6. My first cat (factory) started going in late 96'- finally replaced in early 98'. My second cat (from dealer, installed by third party) started going bad in late 99' - replaced early 01'. This time I went to Mieneke - no problems since, but only 1 year on the cat. Mieneke has a good warranty - 5 years if I remember correctly. My next move is to get an aftermarket cat (CarSound) and another new O2 sensor (Bosch) when this one goes. Just taking the oppurtunity to do a little upgrading.

If you are not having problems with the cat do not change it out but do verify that it is the correct one for your GC.

Peace......
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Unread 03-12-2002, 08:35 AM   #3
motox77x
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mkatchew

hows the car running...unless the cat actually falls apart on the inside causing an exhaust restriction, it should last a lifetime as long as there is not a driveability problem present. this would cause the cat to either not get hot enough or get too hot. whats wrong with it, restricted flow or failed smog?
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Unread 04-01-2002, 03:26 PM   #4
estover
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Join Date: Aug 2001
Location: Pittsburgh PA
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I too am having what I think is a problem with my cat. Everything is fine with the Z untill you go up a hill. It stops a 3grand. after the top of the hill it revs nicley to 4500 or so.
Any info on getting it replaced through Jeep?
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