P CODES (POWERTRAIN) P0400 - P0499 P0420

Found 165 results

Code P0420

I Have The Car Listed Above And Check Engine Light Came On. Checked With The Scanner And And Code P0420 Show.

Asked by vnc4e ·

1 ANSWER

20 IMAGES

2005

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...

Codes P2096 And P0420

Recently Got A P2096 Code On My Fort Edge 2.0 Ecoboost. I Got It To Reset And Tonight I Got It Again. This Time I Got A P0420 Code And P2096...

Asked by wesleymorey12 ·

1 ANSWER

13 IMAGES

2015

Code P0420

Hi, Today While I Am Driving Check Engine Appeared. I Plugged My Own Obd2 Sensor And Code P0420 Appeared. My Question Is, What This Mean?...

Asked by bebobebo ·

4 ANSWERS

12 IMAGES

2012

TOYOTA CAMRY HYBRID

Code P0420?

Yes, I Hooked Up My Obd2 To My Car And A Code P0420 Came Up. What Should I Do About That?

Asked by Christopher Lopez2 ·

1 ANSWER

12 IMAGES

2017

HYUNDAI ELANTRA

How to Read Trouble Codes

VIDEO

How to Read Trouble Codes

Instructional repair video

Code PO420

When First Starting Up It Sounds Like A Tiger Growling. Sometimes The Rpm's Race.

Asked by tornado33 ·

1 ANSWER

13 IMAGES

2006

HONDA CIVIC HYBRID

Code P0420

Need Help Please. Don't Know If It's The Downstream Sensor Ar Catalystic. Thanks

Asked by Wrojas0919 ·

8 ANSWERS

10 IMAGES

2003

MITSUBISHI LANCER

Check Engine Light Safe to Drive?

Check Engine Light Safe to Drive?

We are a team of ASE certified mechanics that have created this guide to help you understand if your car is safe to drive with the check engine or service engine soon...

P0420 Code

Is There Anything I Can Do To Diagnose This Myself? Would A More Advanced Code Reader Be Helpful? I Got The Code Read At The Auto Parts...

Asked by johncpen ·

14 ANSWERS

2 VIDEOS

6 IMAGES

2001

Code P0420

I Had Code P1131, Drove Around With It For 3,000 To 4,000 Miles With It While Figuring It Out. Put A New O2 In Bank1 Upstream. 1131 Code...

Asked by zorro9099 ·

7 ANSWERS

8 IMAGES

1998

Code P0420

Car Shut Off While Idling At A Light. But Not Overheat. What Is The Cause?

Asked by chris6911 ·

5 ANSWERS

8 IMAGES

2005

Code PO420, Emission System?

Po420 Code, Check Engine Light Came On A Week Ago. I Put A Bottle Of Cataclean And Seemed To Help. No Check Engine Light For About A Week....

Asked by badboyrod ·

11 ANSWERS

14 IMAGES

2020

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