How To Address a Subaru P0420 (Step by Step)
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22:56
P0420 Everything You Need to Know - Subaru or Whatever You Drive!
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9:13
Fix your Catalytic Converter for $10?
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11:52
5 coisas que NÃO se deve fazer com seu Subaru! (Se você quer mantê-lo confiável)
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15:20
p0420 Catalyst System Efficiency Below Threshold
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10:40
9 Solutions to Fix P0420 - Don't Start Fixing Before Watching This
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11:03
How To Diagnose A P0420 Catalytic Converter Low Efficiency Code Plus Exhaust Leak Testing
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9:30
Subaru P0420 - Quick Diag & Estimate
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11:57