HYUNDAI P CODES (POWERTRAIN) P0400 - P0499 P0421

Found 4 results

I Have One Confirmed P0421 Code And One Pending Code...

This Morning P0301 Code Pop Up In The Pending Code Category. I Have P0421 Code Which Is Related To Catalyst 1 Efficiency Below Threshold...

Asked by vish4369 ·

3 ANSWERS

1 IMAGE

2004

Is it Safe to Drive Check Engine Light?

VIDEO

Is it Safe to Drive Check Engine Light?

Instructional repair video

Check Engine Light

Check Engine Light

Why is my check engine or service engine soon turned on? In this guide we talk about what this is associated with this notorious light, what it is used for and what you...

2001 Hyundai Santa Fe OBD II Code P0421 Problem

I've Been Having Trouble With Code P0421. I Had The Catalytic Converter Replaced And It Went Away. Two Days Later The Check Engine Light...

Asked by jorge10928 ·

5 ANSWERS

2001

HYUNDAI SANTA FE

Code P0421

Trying To Find The Location Of Bank One Sensor 2 02 Sensor.

Asked by Dartanian Benson ·

1 ANSWER

1 IMAGE

2004

2003 Hyundai Santa Fe OBD11 Code P0421

Obd Code Po421 Changed The Catalytic Converter Recently. Engine Would Hardly Go Over 15 Mph. Repaired Broken Valve #2 Cylinder. New...

Asked by Dale Blackwell ·

1 ANSWER

2003

HYUNDAI SANTA FE

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