2009 Lincoln Mkx Repair Guides
P04102009 Lincoln MKX P0410 — SECONDARY AIR INJECTION SYSTEM Diagnosis & Fix
The 2009 Lincoln MKX P0410 code indicates Secondary air injection system malfunction. This diagnostic trouble code requires proper diagnosis to restore optimal vehicle performance.
Moderate
1-3 hours
P04112009 Lincoln MKX P0411 — SECONDARY AIR INJECTION INCORRECT Diagnosis & Fix
The 2009 Lincoln MKX P0411 code indicates Secondary air injection incorrect flow. This diagnostic trouble code requires proper diagnosis to restore optimal vehicle performance.
Moderate
1-3 hours
P04202009 Lincoln MKX P0420 — CATALYST SYSTEM EFFICIENCY BELOW THRESHOLD BANK 1 Diagnosis & Fix
The 2009 Lincoln MKX P0420 code indicates Catalyst system efficiency below threshold bank 1. This diagnostic trouble code requires proper diagnosis to restore optimal vehicle performance.
Moderate
1-3 hours
P04212009 Lincoln MKX P0421 — WARM UP CATALYST EFFICIENCY BELOW THRESHOLD BANK 1 Diagnosis & Fix
The 2009 Lincoln MKX P0421 code indicates Warm-up catalyst efficiency below threshold bank 1. This diagnostic trouble code requires proper diagnosis to restore optimal vehicle performance.
Moderate
1-3 hours