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Unread 01-16-2015, 02:19 PM   #1
kissmeimLoveles
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2003 WJ 
 
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Location: lehi, UT
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Extremely unique and confusing problem

I've got a 2003 Jeep Grand Cherokee with 160,000 miles on it. The problem I have is I've got a bad catalytic converter, my mechanic said that my Jeep is from California so I've got to replace it with another California cat which is 700 dollars. I've found that a normal 49 state cat is like 250.... I live in Utah so I would really like to find a way to put on a normal 49 state cat but, I've been told that the check engine light will still come on because my ecu is tuned to the cali standard.... Anyone have a solution to this problem? I just want to install the 49 state cat!

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Unread 01-16-2015, 04:02 PM   #2
mike_dippert
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I think your mechanic may be trying to milk you. Verify with other GC owners first, but any cat designated for your vehicle should make the computer happy. The California version parts are so pricey b/c they need to be CARB certified, that costs money.
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Unread 01-16-2015, 10:30 PM   #3
2000_limited
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Contact your local dealership and ask them if they can reprogram your ECO to non Cali.

But I agree with Mike. The mech is bull ****ting you.
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Unread 01-17-2015, 12:36 PM   #4
biffgnar
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I live in NY which is a CARB state. When I replaced the cats on my TJ I used 49 state cats because of the price. Other than not having a CARB stamp on them there is no visual difference in the TJ cats at least. I suppose its possible the interior makeup is different. No CELs for me.
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catalytic , ecu , emissions , flashed

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