Replaced water pump and o2's now check engine light..
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Joined: Aug 2011
Posts: 13
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From: MI
Year: 2000
Model: Cherokee
Engine: 4.0L I6
Replaced water pump and o2's now check engine light..
I replaced my water pump and both o2 sensors on my 4.0L 2000 Cherokee yesterday and now my check engine light has come on. Anyone have a clue why? Any info would be helpful! Thanks.
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