2014 Nissan 370z Repair Guides
P04212014 Nissan 370Z P0421 — Warm Up Catalyst Efficiency Below Threshold Diagnosis & Fix
Complete diagnostic guide for 2014 Nissan 370Z P0421 (Warm Up Catalyst Efficiency Below Threshold). Symptoms, causes, and step-by-step repair procedures for Nissan's Nissan's EGR systems.
Moderate
1-2 hours
P04302014 Nissan 370Z P0430 — Catalyst System Efficiency Bank 2 Diagnosis & Fix
Complete diagnostic guide for 2014 Nissan 370Z P0430 (Catalyst System Efficiency Bank 2). Symptoms, causes, and step-by-step repair procedures for Nissan's Nissan's EGR systems.
Moderate
1-2 hours