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Unread 06-23-2010, 07:54 PM   #1
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1999 WJ 
Join Date: Jun 2010
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Cali Emissions 99 WJ Question

I have a california emissions 99 wj, so I am wondering if it would require special ckp and cmp sensors or tps sensors. When I was getting my tps they asked me if I had a cali emissions model I told them no because I didn't realize I did. So know I am wondering if a cali emissions wj requires special sensors because of the added o2 sensors.

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Unread 06-23-2010, 09:13 PM   #2
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2011 JK Wrangler 
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Those sensors should not be different. I just looked up my tps on NAPA's web site and it only listed one and did not ask about cali emissions. It actually listed 3, one for the 4.7 and 2 (different manufactures) for the 4.0
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