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Question Details Asked:Mar 08, 2008 - 06:52 PMStatus:Closed
Note: Per our Visitor Agreement, Edmunds.com does not guarantee the accuracy of any answers. We recommend that you use common sense when following any advice found here.
Are you certain that it says "U" and not P0420?
There is no U0420 for your vehicle.
What is the brand and make of the scanner you are using?
You have a superchip to reprogram your computer?
And the check engine light came on after you installed it, right?
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