sensor INFINITI Q50 2019 Warranty Information Booklet
Page 13 of 60
10
MAINTENANCE SERVICE AND 
REPLACEMENT PARTS
Important information concerning 
maintenance service and replacement parts is 
on page 17 of this booklet.
MAINTENANCE RECORDS
Receipts covering the performance of regular 
maintenance should be kept in the event 
questions arise concerning maintenance. The 
receipts should be transferred to subsequent 
owners.
IF YOU HAVE QUESTIONSYou may obtain further information 
concerning these warranties by following the 
procedure outlined in the “INFINITI OWNER 
SATISFACTION & ASSISTANCE” section of 
this booklet. In the case of the Performance 
Warranty, you may also contact or report any 
violations to the Office of Transportation and 
Air Quality, Vehicle Compliance Programs 
Group, U.S. Environmental Protection 
Agency, Ariel Rios Building (6405J), 1200 
Pennsylvania Avenue, N.W., Washington, D.C. 
20460. 
OTHER OBLIGATIONSInfiniti does not authorize any person to create 
for it any other warranty, obligation or liability 
in connection with this vehicle.
WARRANTY PARTS LIST
•• Fuel injection system
Engine control module/onboard diagnostic 
device
•• Oxygen sensor(s)
•• Mass air flow sensor
•• Intake manifold
•• Throttle body
Catalytic converter(s)
•• Exhaust manifold
•• Exhaust tube from manifold to catalytic converter
Front exhaust tube with catalytic converter
•• Camshaft position sensor(s)
•• Crankshaft position sensor(s)
•• Spark plugs, ignition coils and wires
•• Evaporative emission control system
•• Fuel filler neck restrictor and check valve
•• Fuel tank and filler cap
•• Positive crankcase ventilation system
Exhaust manifold with catalytic converter 
permanently attached
•• Intake manifold collector
•• Exhaust gas recirculation (EGR) control system
•• Hoses, clamps, fittings, tubing, sealing gaskets or devices, and mounting hardware 
used in above systems
•• Vacuum and temperature sensitive valves and switches used in above systems
•• Electronic sensors and controls used in above systems
The Emission Performance or Defect Warranty 
may be subject to future governmental 
administrative action. Infiniti reserves the 
right to change the terms of the warranty to 
be consistent with these actions. See your 
retailer for information regarding possible 
changes. 
o = Long Term Federal Emission Parts covered for 96 months/or 80,000 miles.
2019 INFINITI FEDERAL VEHICLE EMISSION CONTROL WARRANTIES 
Page 16 of 60
132019 INFINITI CALIFORNIA VEHICLE EMISSION CONTROL WARRANTIES¹
(Continued on next page)
LONG-TERM EMISSION SYSTEM DEFECTS
WARRANTY PARTS LIST
Crankshaft Position SensorEGI Wiring Harness
Exhaust Manifold
Front Exhaust Tube
Fuel Injector
Fuel Pressure Sensor
Fuel Tank
Fuel Tube Assembly
High-Pressure Fuel Pump
Injector Fuel Tube 
Intake ManifoldIntake Manifold CollectorKnock SensorOxygen Sensor, Rear
ThermostatThrottle Body
Torque Converter 
Drive Plate
Turbocharger
VCR Actuator Assembly
VTC Electronic Actuator
VTC Oil Control Valve
Water Bypass Control Valve
Catalytic Converter°
Engine Control Module°
Exhaust Manifold 
with Catalytic Converter°
Front Exhaust Tube 
with Catalytic Converter°
Q50 2.0L X XX
X X XXX X X X XX
Q50 3.0L X X X X X X X X X X X
Q60 2.0L X X X
X X XXX X X X XX
Q60 3.0L X X X X X X X X X X X
Q70 3.7L X X
XXXX XXX
Q70 5.6L X XX X X X X X X
QX30 XX
X XXXXX XX X X XX
QX50 XX
XX X X X X X XX X X X X
QX60 XX
XX X X X X XX
QX80 X XX X X X
For information on additional models, please see your Infiniti dealer for details
°Long Term Federal Emission Parts covered for 96 months or 80,000 miles.