2018 Infiniti Q50 Repair Guides
P01722018 Infiniti Q50 P0172 — System Too Rich Bank 1 Diagnosis & Fix
System running too rich in Bank 1 indicates too much fuel or insufficient air entering your Infiniti's engine.
Moderate
1-2 hours
P03082018 Infiniti Q50 P0308 — Cylinder 8 Misfire Detected Diagnosis & Fix
Cylinder 8 misfire detected. Check all ignition components for this cylinder in your Infiniti V8 engine.
Advanced
2-3 hours
P04502018 Infiniti Q50 P0450 — EVAP Pressure Sensor Circuit Diagnosis & Fix
EVAP pressure sensor circuit malfunction affects vapor handling in your Infiniti.
Moderate
1-2 hours
P06012018 Infiniti Q50 P0601 — Internal Control Module Memory Check Sum Error Diagnosis & Fix
Internal ECM memory checksum error indicates potential computer failure in your Infiniti.
Advanced
2-4 hours
P11532018 Infiniti Q50 P1153 — Air Fuel Ratio Sensor 1 Bank 2 Response Diagnosis & Fix
Air fuel ratio sensor Bank 2 response issues affecting your Infiniti's emissions.
Moderate
1-2 hours
U01782018 Infiniti Q50 U0178 — Lost Communication with aux Input Module Diagnosis & Fix
Lost communication with aux input module in your Infiniti audio system.
Advanced
2-3 hours