Obd Code P0420 But No Check Engine Light

P0420 code pops driving engine while check light enlarge click Check engine light is on and codes p0420 and p0430 P0420 code

Any fix for code P0420 after installing manifold with no pre-cat? See

Any fix for code p0420 after installing manifold with no pre-cat? see

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Engine light check doP0420 code pops driving engine while check light enlarge click Check engine light problem solved code p0456Check engine light pops on while driving, code p0420.

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P0420 Code | Kia Soul Forums :: Kia Soul Owners

Code p0456 engine check light

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