2009 Infiniti Q50 Repair Guides
P01332009 Infiniti Q50 P0133 — O2 Sensor Slow Response Bank 1 Sensor 1 Diagnosis & Fix
Slow responding oxygen sensor can cause your Infiniti to run rich or lean, affecting fuel economy and performance.
Moderate
1-2 hours
P03032009 Infiniti Q50 P0303 — Cylinder 3 Misfire Detected Diagnosis & Fix
Cylinder 3 misfire detected. Check ignition components and fuel injectors serving cylinder 3 in your Infiniti.
Advanced
2-3 hours
P04212009 Infiniti Q50 P0421 — Warm Up Catalyst Efficiency Below Threshold Diagnosis & Fix
Warm up catalytic converter not functioning properly affects emissions during cold start in your Infiniti.
Advanced
2-3 hours
P05632009 Infiniti Q50 P0563 — System Voltage High Diagnosis & Fix
System voltage high detected. This can damage electrical components in your Infiniti.
Easy
30 min - 1 hour
P11412009 Infiniti Q50 P1141 — VVEL Actuator Motor Circuit Diagnosis & Fix
VVEL actuator motor circuit issues affecting your Infiniti's VVEL operation.
Advanced
2-3 hours
U01692009 Infiniti Q50 U0169 — Lost Communication with Audio Module Diagnosis & Fix
Lost communication with audio module in your Infiniti sound system.
Advanced
2-3 hours