Join Date: May 2010
Location: Hobart, Indiana
Re: code p0440/p0442 help????????
Catalytic converter would set a p0420 code, catalyst efficiency, if the system reads the cat is not doing it's job. Plugged cats cause performance issues, but both are unrelated to the emissions system. The evap system consists of the purge solenoid, vent solenoid, the lines, and a charcoal canister.
09' Malibu LTZ with brick leather interior
4 cyl w/6 speed auto
Silver Ice Metallic paint
Mods: PTM bow ties, grill, washer nozzles, and fog light trim
-MTX600XD, 2 12" Infinity Kappa Perfect 12.1, 4 gauge stinger wire, Pioneer 7800MP CD player
-5000K HID headlights and 3000K fog lights
-White LED's in the switches and handles
-Blacklight overhead console LED's
-Painted and polished factory aluminum wheels
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