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P0421 mitsubishi warm up catalyst efficiency below threshold bank 1.
P0421 mitsubishi bank 1. Mitsubishi lancer forum hier findest du relevante antworten zum thema. P0421 mitsubishi warm up catalyst efficiency below threshold bank 1. P0421 warm up catalyst below threshold bank 1. Warm up catalyst efficiency below threshold bank 1 what the p0421 code means.
Showing results 1 to 4. Guten morgenwas bedeutet der fehlercode warm up twc bank1 p0421. Fri feb 27 2009 608 am. P0420 toyota catalyst system efficiency below threshold bank 1 bodgit and leggit garage duration.
The p0421 code means that the powertrain control module is noticing that the catalyst system is not performing as it should during warm up conditions. Intake air temperature is higher than 100c. If this is your first visit be sure to check out the faq by clicking the link above. Bei dem mitsubishi carisma meiner freundin ist folgender fehler aufgetreten.
Volume airflow sensor output frequency is between 69 and 169 hz. P0421 warm up catalyst below threshold bank 1. Jetzt ist die frage ob es eine moeglichkeit gibt zu bestimmen was genau den fehler verursacht hat. P0421 meaning the engine control module monitors the switching frequency ratio of heated oxygen sensors 1 front o2 sensor and heated oxygen sensors 2 rear o2 sensora three way catalyst converter manifold with high oxygen storage capacity will indicate a low switching frequency of heated oxygen sensor 2.
Click the register link above to proceed. Engine speed is lower than 3000 rmin. Possible causes warm up three way catalytic converter deterioration or malfunction exhaust system leaks loose front or rear ho2ss faulty front heater o2 sensor o2 sensors harness is open or shorted o2 sensors poor electrical. P0421 warm up catalyst efficiency below threshold bank 1 laut fehlerbeschreibung kann das an.
More than 3 seconds has elapsed after the above mentioned three conditions have been met. To start viewing messages select the forum that you want to visit from the selection below. The throttle valve is open. I am not sure if it is powertrain or what it is but no one locally can tell me what it even means.
You may have to register before you can post. Bodgit and leggit garage 124197 views. I have a 2006 mitsubishi lancer es and i keep getting this trouble code that pops up.
