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What is code P0481 and P0421 in a mazda mpv? - 2004 Chevrolet Impala

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2002 mazda mpv sputtering


Error Code: P0421
Description:
Warm Up Catalytic Converter, Bank 1 - Efficiency Below Threshold
Possible Cause:
Warm Up Catalyst Bank 1 faulty.
Possible Solutions:
Check Warm Up Catalyst Bank 1 - Set Readiness.
Replace Warm Up Catalyst Bank 1.

Mar 04, 2014 | 1998 Toyota Corolla

1 Answer

Iwwhat is 481 code on a mazda


Hi there:
DTC P0481 - Cooling Fan 2 Ctrl CKT Malfunction
The P0481 requires reprogramming the PCM at a Mazda dealership, see below TSB in THIS LINK:



DESCRIPTION
Some vehicles may exhibit DTC P0481 (Cooling fan relays malfunction) stored in the PCM.

The false DTC detection occurs when the A/C refrigerant pressure switch is ON but the cooling fan relay is turned OFF by the PCM because the coolant temperature is 108C degrees and under. The PCM stores DTC P0481 because the cooling fan is operating without PCM control command. This is due to improper PCM calibration.



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Jun 22, 2012 | Mazda MPV Cars & Trucks

1 Answer

My fan on my 2003 mazda mpv starts running as soon as i turn on the ignition. could this cause erractic codes


the temperature cooling sensor, The sensor's output is monitored by the engine computer to regulate various ignition, fuel and emission control functions, and to turn the radiator-cooling fan on and off as needed. check this first ! also check the fan relay in relay box. it may be sticking in the on position. hard to say without being there. but try the above things. good-day ! the fans come on if a/c is on.

Mar 17, 2012 | 2003 Mazda MPV

1 Answer

Code p0481 what does it mean?


cooling fan #2 relay circuit.

Sep 05, 2011 | 2001 Mazda MPV

1 Answer

2003 Mazda MPV diagnostic code 421. Previously had codes PO134, PO131, PO151, PO171, PO174, PO401, & PO121. The hose the air filter and the throttle was broken, and tha engine would not start. I...


Hi


Please check 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 fixya.com

Jul 07, 2011 | Mazda MPV Cars & Trucks

1 Answer

Mazda MPV 2003, Engine light on, 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 waiting for the converter to come in, but before the guys that are fixing on my car relize that i need a converter they put a egr valve and a o2 senor and when the car idle some time it will just die one me. could someone tell me what is going on.

Nov 30, 2010 | 2003 Mazda MPV

1 Answer

My 1999 mazda 626 lx have a error code p0421 so how do i fix it email me at v13tarmy@gmail.com tell me the causes and the solutions


my 2001 mazda 626 V-6 have a error code p0421 & P0421 so how do i fix it. tell me the causes and the solution

Jan 28, 2010 | 1999 Mazda 626

2 Answers

I am getting a P0031, P1512, & P0421 code


P0031 - most likely pointing to a failed O2 sensor (bank 1 sensor 1 is located before the catalytic converter)

P0421 - failed catalytic converter or a failed O2 sensor

P1512 - intake manifold shutter valve is stuck - may be caused by the O2 sensor, but may not

I recommend replacing your O2 sensor first and see what happens

Sep 18, 2009 | 2001 Mazda MPV

1 Answer

Mazda mpv 2003 check engene light code p0421 warm up catalist ...


replace the air flow meter has this sounds like your problem.Good luck.

Jul 27, 2009 | 2003 Mazda MPV

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