service engine light on showing emissionsvery small leak oncode

Asked by copperdog1 Aug 19, 2013 at 12:33 PM about the 2010 Nissan Murano

Question type: Maintenance & Repair

2 Answers
16,745

Robert answered 10 years ago

c0420 is not a real code. p0420 is a catalyst code. p0442 is the small evap leak code and can be anything from a leaky or dirty gas cap to leaky charcoal canister or vent control valve. a smoke test at the shop is best way to determine reason.

Mark helpful

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