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02:40
How to Fix P0420 Engine Code in 3 Minutes [3 Methods / Only $19.99]
1.8M views • 3 years ago nonda
10:00
P0420 How To Diagnose A Bad Catalytic Converter -EricTheCarGuy
3.2M views • 11 years ago EricTheCarGuy
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11:57
The Trainer #118: The REAL Cause Of P0420/P0430 DTCs
986K views • 2 years ago Motor Age
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02:14
P0420 CODE CAUSES AND SOLUTIONS
283K views • 1 year ago EasyAutoFix
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10:20
EricTheCarGuy Explains Check Engine Codes - P0420 Catalyst System Efficiency Below Threshold
347K views • 10 months ago TRQ
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01:37
P0420 Error Code Explained - Catalyst System Efficiency Below Threshold
650K views • 6 years ago FIXD
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15:20
p0420 Catalyst System Efficiency Below Threshold
7.3K views • 6 days ago Master Automotive Training
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08:10
CHEAP Catalytic Converter Fix - P0420 P0430
402K views • 1 year ago War Paint Offroad
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11:03
How To Diagnose A P0420 Catalytic Converter Low Efficiency Code Plus Exhaust Leak Testing
964K views • 4 years ago GoTech
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30:24
Diagnosing a catalyst efficiency code (P0420 or P0430)
422K views • 11 years ago ScannerDanner
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10:40
9 Solutions to Fix P0420 - Don't Start Fixing Before Watching This
560K views • 2 years ago nonda
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06:11
P0420 Oxygen Sensor Fix
743K views • 8 years ago speedkar99
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02:59
What Causes a P0420 Code?
27K views • 2 years ago AP Emissions
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01:43
How to Fix P0420 without replacing the Catalytic Converter
20K views • 1 year ago Flat Rate Mechanic
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04:55
Check Engine Light Code P0420 on Your Car / Truck? Replace These Parts to Pass Emissions
9.3K views • 1 month ago 1A Auto: Repair Tips & Secrets Only Mechanics Know
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09:13
Fix your Catalytic Converter for $10?
2.7M views • 11 months ago Mike The Backyard Mechanic
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05:43
Easy 5 minute P0420 Fix!
338K views • 4 years ago CtrlAltDefeatTV
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11:22
P0420 P0430 Catalyst Efficiency Below Threshold - Testing & Verification
224K views • 5 years ago South Main Auto LLC
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02:48
How to Replace a Catalytic Converter in Your Car (Code P0420)
902K views • 13 years ago Scotty Kilmer
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04:37
Cheap fix for your P0420 check engine light
982K views • 6 years ago CtrlAltDefeatTV
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