P0421 Code: Warm Up Catalyst Efficiency Below Threshold (Bank 1) - In The Garage with CarParts.com
P0421 Code: Warm Up Catalyst Efficiency Below Threshold (Bank 1) - In The Garage with CarParts.com
P0421 — Warm Up Catalyst Efficiency Below Threshold (Bank 1) – Genuine and OEM replacement car parts for European vehicles at the lowest price!
Causes and Fixes Dodge P0421 Code Warm Up Catalyst Efficiency Below Threshold (Bank 1) - YouTube
Code défaut P0421: Efficacité du catalyseur de préchauffage en dessous du seuil (banque 1) • Fiches Auto 24
Ошибка p0421 и механическая обманка — Mitsubishi Space Star, 1.3 л., 2003 года на DRIVE2
Mitsubishi Lancer Fix: Catalytic Converter Replacement P0421 Smog fail fix - YouTube
Code P0420 Catalyst Efficiency Below Threshold (Bank 1)
P0421 MITSUBISHI – Warm Up Catalyst Efficiency Below Threshold Cylinders 1 4 - YouTube
P0421 ✓ SYMPTOMS AND CORRECT SOLUTION ✓ - Fault code OBD2 - YouTube
Лечим ошибки P0135 и P0421 — Mitsubishi Space Star, 1.6 л., 2001 года на DRIVE2
P0421 Code: Warm Up Catalyst Efficiency Below Threshold (Bank 1) - In The Garage with CarParts.com
P0421 MITSUBISHI – Warm Up Catalyst Efficiency Below Threshold Cylinders 1 4 - YouTube
Загорается чек периодически ошибка P0421 — Mitsubishi Space Star, 1.3 л., 2003 года на DRIVE2
Schlagzeilenkäfer: Immer Ärger mit dem Katalysator
I have a 06 Mitsubishi Endeavor that has an error code P0421. The mechanic told me it is probably an O2 sensor failure.
Лечим ошибки P0135 и P0421 — Mitsubishi Space Star, 1.6 л., 2001 года на DRIVE2
P0421 Code: Warm Up Catalyst Efficiency Below Threshold (Bank 1) - In The Garage with CarParts.com
