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What does dtc code p0421 on Mitsubishi montero mean and is this an emergency?
When this code come out may be haven no enough warm up on the catalyst is efficienecy the vehicle has an exhaust leak
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
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
P0421 check engine code on 2001 Mazda 626?
Trouble code P0421 means:Warm up catalyst system efficiency below threshold
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
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)
What is code p0421 on audi a6 2002 3.0 bank 1 02 sensor?
Passenger side and after the catalytic converter O2 sensor.
What is the fixx for P0421 code on Hyundai Santa Fe?
if you have more than 60K miles start by replacing the Oxygen sensor(s) that is(are) installed after the catalytic converter(s).
