Looking for a Catalytic converter for a 04 Liberty - Pirate4x4.Com : 4x4 and Off-Road Forum
 
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Old 07-02-2019, 03:09 PM   #1 (permalink)
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Looking for a Catalytic converter for a 04 Liberty

I live in NY, so need a "carb compliant" or original Catalytic converter for my newly purchased 04 Iiberty.

Didnt realise it would be such a pain in the butt.

Thanks.
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Old 07-02-2019, 06:31 PM   #2 (permalink)
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AutoZone.

https://www.autozone.com/emission-co...ter-california
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Old 07-03-2019, 10:24 PM   #3 (permalink)
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You can buy a "fooler" it wires to the rear O2's and creates a signal that will satisfy the monitor and won't set a code or turn on the CEL. Then gut the cat's and put a pipe straight thought them. Look on ebay for P0420 and P0430 code fixes, those are the codes that set and turn on the CEL.
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Old 07-09-2019, 05:28 PM   #4 (permalink)
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Hmmmmm. 🙂 Thanks, will look into it.
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Old 07-10-2019, 04:12 PM   #5 (permalink)
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We tried a Youtube home made one with a resistor and a capacitor on a friend's '04 LJ, it caused a failure codes for the voltage too high. The later Mopars use a biasing voltage on the O2 sensor signals, it starts out at 5 volts cold and comes down as they warm up. Hard to replicate the warm up timing and voltage level that's wanted to be seen by the PCM during the OBD2 O2 and O2 heater monitor tests.

Is it illegal in NY to by a guaranteed used on from a wrecking yard? It is in Commifornia. Maybe you can find one in a nearby state if it is?
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