
MAGNAFLOW SAYS THERE IS NO DESIGN PROBLEM
I had a 2012 Jeep Laredo 3.6 come in with a cat code PO420. Typically it's no big deal. Put a cat on it and all the monitors ran. Everything was good. I already know what you're going to say about aftermarket cats but this is an interesting problem that we ra... Login to read more. ![]()
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