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Videos
Web
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09:46
How to diagnose and repair a PO420 on a Nissan Altima
697K views
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8 years ago
Jimthecarguy
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03:04
How to Fix a Honda P0420: Catalyst System Efficiency Below Threshold Bank 1
74K views
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1 year ago
Whyingo
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59:38
Catalytic Converter Efficiency Below Threshold: Code P0420 & P0430 Diagnosis and Repair
213K views
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3 years ago
KIT'S Auto and Truck Repair
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03:58
Getting Rid Of Code P0420 With A Little Spring Cleaning
16K views
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2 years ago
Rislone
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10:23
P0420 code solved for under 25$ (Cataclean)
48K views
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2 years ago
MKE Car Connection
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05:04
Honda Accord got code P0420 catalytic coverter below Threshold QUICK cheap FIX 2013 to 2021
27K views
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1 year ago
RB The Mechanic
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03:13
2014 chevy cruze 1.4l turbo p0420 code fix
18K views
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1 year ago
Louski79
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06:29
P0420 Easy Fix Honda Civic Works for all vehicles
167K views
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5 years ago
Your Car Guy DR
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22:04
HYUNDAI P0420 CODE | Catalyst Efficiency Below Threshold Bank 1 SENSOR | DIAG AND REPAIR EASILY
61K views
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1 year ago
GasDiesel Garage
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03:46
P0420 and P0430 Codes Show up and Disappear - Shops Easily Misdiagnos This - Check This First
7.9K views
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1 year ago
Ford Boss Me
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01:07
O2 Sensor Bypass DIY (P0420/P0430)
303K views
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3 years ago
MrRangerZr1
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07:35
$3 O2 simulator fix for P0420 Check Engine Light
1.3M views
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10 years ago
MITEEman
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10:02
P0420 Code - How To Diagnose And Fix It Quickly!
9.2K views
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2 years ago
Mechanic Base
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01:17
Diagnosing the error code P0420 on a Chevy Equinox (2011)
9.6K views
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1 year ago
Wicked Wrench Garage
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05:27
Ford Catalyst Efficiency Codes P0420 P0430 Explained
138K views
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9 years ago
FordTechMakuloco
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01:23
How to Fix P0420 Engine Code with Catalytic Converter Cleaner
229K views
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2 years ago
nonda
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02:59
How to Fix NISSAN P0420 Engine Code in 3 Minutes [3 Methods / Only $19.99]
165K views
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3 years ago
nonda
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30:20
Product Testing! Seafoam VS Rislone VS CRC VS Berryman do they work? Can they fix a P0420?
187K views
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1 year ago
Lucore Auto and LucoreRacing
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04:28
FORD FIX CODE P0420 CATALYST SYSTEM EFFICIENCY ANY FORD
210K views
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3 years ago
Auto Repair Guys
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09:28
Do I Really Need A Catalytic Converter?? | P0420 Testing
61K views
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4 years ago
CarsNToys
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