WebOBDII/EOBD diagnostics trouble codes definition. If your car supports OBD II or EOBD, then you can already use almost 5000 generic OBDII codes. These codes are from PowerTrain series (P0XXX, P2XXX, P34XX), Body Series (B0XXX), Chassis series (C0XXX), Network series (U0XXX, U2XXX, U3XXX). Also there is a list of more than 13500 additional ... WebExplaining Trouble Codes PO420 - PO421- PO430 - PO431. WHAT IT MEANS WHEN YOUR GET A CODE READ OF PO420 OR PO430 . It is important to remember that if your "Check Engine Light" illuminates and someone just simply reads a code of PO420, 421, 430 or 431 this does not necessarily mean the Catalytic Converter is bad! All that code says is either …
Explaining Trouble Codes PO420 - PO421- PO430 - PO431
WebOct 16, 2024 · Expert Answer: P0421is from the right bank and P0431 is from the left bank. It's highly unlikely that both banks' cats and or O2 Sensors have failed at once. There could be something happening upstream, but you can only find out by hooking up a PIWIS (or maybe Durametric) tool and diagnose it. WebMay 4, 2024 · P0431 - 001 - Upper Limit Exceeded Before I screw myself over again I thought I would run this past the members here on what I should check. Please don't tell me I have a bad cat now. I have been driving the car about 40 miles each way to work for the past two months without any real issues, but for the instrument cluster fiasco. inclined breakfast bar support
Cayenne 05 3.2 v6 with fault codes P0421 and P0036 - Porsche …
WebOct 10, 2010 · code p 0431 refers to warm up cat conveter bank 2--efficiency below threshold === causes cat converter --- wiring---HO2S 2 as the same HO2S appears in the cause of the fault I would be inclined to change it first the HO2sS sensor is the one in the exhaust manifold or before the cat converter and 2 is in the front bank of a V engine WebFeb 18, 2024 · The P0431 code indicates the powertrain control module (PCM) has perceived the warm up catalytic converter (on bank 2) is not operating properly. If your … WebHi Folks, My 997 is showing codes P0431 and P0421. I understand that these refer to catalyst (in)efficiency. Could this just be downstream 02 sensors or am I in for replacing … inclined burger northstar