2000 Mazda MPV "p0421 code" Questions

...P0421 code I am getting a P0031, P1512, & P0421 code on my 2001 Mazda MPV mini van. P0031 - most likely pointing to a failed O2 sensor (bank 1 sensor 1 is located before the catalytic converter) ...

...code P0421 I have a problem with CHECK ENGINE light and the diagnostic shows the fault code P0421. What is it and how to avert ? Aicux...I had the same problem with a Mitsubishi Montero Sport. The ...

...2003 check engene light code p0421 warm up catalist ... Catalitic was replased in bank1 and bank2 a month ago what can be now. replace the air flow meter has this sounds like your problem.Good

...p0421 code on this vehicle is either caused by a bad catalytic converter or an oxygen sensor. your mechanic has a scan tool that he can verify if the converter is faulty by comparing the rear o2 ...

...running as soon as i turn on the ignition. could this cause erractic codes The codes are p0106 p0421 p0401 the temperature cooling sensor, The sensor's output is monitored by the engine ...

...P0421 and P0431? code p 0421 refers to warm up cat converter bank 1--efficiency below threshold ===causes ---cat converter---wiring---HO2S 2 ( heated oxygen sensor) code p 0431 refers to warm up cat ...

...get it started. Ran diagnostic with codes: P0102 (MAF), P0113 (IAT), P0335 (Crankshaft Position), P0421 (Warm Up Catalyst), & P0306 (Cylinder Misfire).Need your advise. Thanks. all these codes ...

...code P0421 may mean that one or more of the following has happened: The catalytic converter is no longer functioning properly An oxygen sensor is not reading (functioning) properly A sparkplug is ...

...code P0421 - warm up catalyst efficiency below threshold bank 1 could anyone please help me with this problem that i have with my 2001 mazda protege es 2.0. i have a bad catalyst converter and im ...

...the link to get a detailed idea about the code:- http://www.obd-codes.com/p0421 Please get back to us if you have further query else please accept the suggestion. Thank you for contacting ...