P0420 pcv valve Any DTC or condition that increases emissions or affects sensor readings can cause a converter to fail the ECM tests even if the converter is good. 15. See full list on mechanicbase. Dec 8, 2012 · For reasons I don't understand, there is a lot of confusion about which end of that thick black hose will have the PCV valve, and which end will be a barb fitting. Aug 18, 2024 · 2010 XC60 T6 with (now) 129,000 miles that has been throwing a P0420 code for about a year / 6,000 miles. There is also at least 2 diameter units available. com Dec 10, 2021 · Next, a scan tool check. PCV replaced at 90,000, 2 piston soaks with MMO at 124,000, new plugs at 125,000. Confirm that your PCV vent hose is routed to the intake manifold rather than an aftermarket catch can. OCI changed from dealer 10,000 to 3,000. Bad PCV valve or incorrect PCV hose routing. Dealer maintained for 14 years, until the P0420 showed up. . The light has not come back on yet (its been about 5 days/300 miles). I will try to remember to post back if/when it does. So the question: Is it reasonable that a PCV valve in a failing or failed state could be the reason for an intermittent p0420 catalyst efficiency trouble code? Essentially, I'm trying to rule out any potential causes of the p0420 before throwing money at the cat. I did the XtremeRevolution PCV fix and replaced the valve cover and re-set the Check engine light last week. Sep 2, 2018 · So I just had the factory PCV go out in the intake and that problem took out the valve cover with it. First to verify the presence of the P0420 and/or P0430 DTCs but to also check for any others that might be recorded in the ECM. Feb 14, 2020 · Another buyer of non-OEM PCV even noted their gas consumption rebounded. Even a dealer sold me the wrong one using my VIN ('02), so now I have two PVC valves sitting on the shelf, and neither fit. It also started to lose/burn 1 Qt every 500 miles. If you have any other type of catch can be installed, then remove it & reroute the hose back to the intake manifold. dlhxqo vvqt yza mviziyhj tzgkzx mogmbk aec uqatuz behsd ulsc

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