0

Subjects>Auto>Auto Parts

What is the engine check code P0421 on a 04 Mazda mpv?

Anonymous

∙ 12y ago

Updated: 10/21/2022

PO421 Warmup Catalyst Efficiency Below Threshold Bank 1Possible Causes:

Defective spark plug
Defective O2 Sensor
Defective Catalytic Converter

Wiki User

∙ 12y ago

What else can I help you with?

Related Questions

P0421 check engine code on 2001 Mazda 626?

Trouble code P0421 means:Warm up catalyst system efficiency below threshold

What is 1999 Mazda Miata check engine light code P0421?

Trouble code P0421 means: Catalyst Efficiency Below Normal (Bank 1)

Ow do you correct the Check engine light on your 1998 Mazda protage with the code of p0421?

Trouble code P0421 means: Catalyst Efficiency Below Normal (Bank 1)

Mazda Millieum S 2000 emission code P0421?

Trouble code P0421 means: Catalyst Efficiency Below Normal (Bank 1)

Mazda 2001 protege lx P0421 error code?

Trouble code P0421 means:Warm up catalyst system efficiency below threshold

1998 Mazda 626 p0421?

Trouble code P0421 means: Catalyst Efficiency Below Normal (Bank 1)

What does engine code P0421 mean?

P0421 code = Warm up catalyst efficiency below threshold, Bank 1

What is engine check code 332 for 1994 Mazda 626?

A check engine code 332 for a 1994 Mazda 626 means that the EGR valve's voltage is lower than it is expected to be. The ERG valve is part of your Mazda's emission control system.

What is the check engine code PO660 for a 2001 Mazda Protege?

Click the link.

What is code p0421?

P0421 : Warm up catalyst efficiency below thresh hold bank 1

What is OBDII code P0421?

P0421 : Warm up catalyst efficiency below thresh hold bank 1

What does 2003 Mazda check engine code P0306 mean?

misfire cylinder number 6

Trending Questions

Do you need to use a spring compressor to replace front struts on a 2002 chevy tracker? How do you remove the distributor rotor on a 1995 ford aerostar? Ford focus 2002 reset a check engine light? Cross reference craftsman 795890 oil filter? What does the screw on the computer box of a Nissan vg30 do? Where is a fuel filter located on a 1978 ford f-150? What does it mean when the transmission fluid is running hot? How do you find someone's web page? Where is the crankshaft position sensor on 2001 Mercedes ML320? What is the spark plug gap on a vauxhall Z16XE1 ENGINE? 93 Chevy 4.3l v6 firing order? Heater does not blow hot air in 1996 Cavalier? What tool tightens a cylinder head bolt? How do you replace alternator in Hyundai excel 98? Can you use a penny to fit full your car battery terminal? How do you replace the fuel pump located on a 1989 Honda CRX? Can the power of the power steering be reduced in a 2006 Buick Lacrosse? Will a bad egr valve cause check engine light to come on? How do you replace the driver side headlight bulb on an ml350? Does the 2011 sonata have a timing belt?

Resources

Top Categories

Product

Company

Copyright ©2025 Answers.com. All Rights Reserved. The material on this site can not be reproduced, distributed, transmitted, cached or otherwise used, except with prior written permission of Answers.