2003 Infiniti QX4 Infiniti QX4 2003

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2003 Infiniti QX4 repairs by problem area

Engine (63%)

Transmission and Drivetrain (4%)

Brakes and Traction Control (4%)

Suspension and Steering (15%)

Electrical and Air Conditioning (7%)

Paint, Rust, Leaks, Rattles, and Trim (0%)

Other (7%)

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Chart based on 27 repairs.
See TSBs and recalls for the 2003 Infiniti QX4.

2003 Infiniti QX4 repair cost distribution

$2500+ (0%)

$1000 - $2499 (8%)

$500 - $999 (17%)

$100 - $499 (42%)

< $100 (33%)

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Chart based on 24 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.

2003 Infiniti QX4 4dr SUV

240-horsepower 3.5L V6 4-speed automatic RWD

Infiniti QX4 in California, United States
Dec 2012 - Jan 2013
Jan 2013

US $250
Replace low control arm 
Infiniti QX4 in Tennessee, United States
Feb 2013 - Oct 2014
Dec 2013

164000 mi

US $450
Replaced worn front rotors, pads and wheel bearings 
Mar 2014

168000 mi
Hard to start and rough idle after starting. Combination of idle air control valve and throttle position sensor problems. 
Oct 2014

178000 mi
Fuel/Air control hard failure. 
Infiniti QX4 in Georgia, United States
Mar 2011 - May 2014
Sep 2011

100000 mi

US $487
Replaced oxygen sensor 
Infiniti QX4 in Florida, United States
Jun 2011 - Feb 2020
Jan 2017

168000 mi

US $50
leaking valve cover gaskets 
May 2018

175000 mi

US $200
fuel pump replacement 

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2003 Infiniti QX4 4dr SUV

240-horsepower 3.5L V6 4-speed automatic 4WD w/low range

Infiniti QX4 in District of Columbia, United States
Jun 2013 - Jun 2017
Dec 2016

141000 mi
fix rear break light clip 
Infiniti QX4 in Manitoba, Canada
Aug 2014 - Jan 2015
Jan 2015

91140 mi

C $89
Exhaust 
Infiniti QX4 in Georgia, United States
Aug 2017 - Sep 2017
May 2017

132000 mi

US $550
Didn't start. Replace alternator 
Infiniti QX4 in New Mexico, United States
Nov 2003 - Nov 2012
Feb 2003

1000 mi
Drive shaft replaced-out of balance 
Feb 2009

55000 mi

US $350
Reseal front exhaust tubes. 
Aug 2012

70600 mi

US $450
Driver's seat adjustment motor failed. Right front strut failed. 
Infiniti QX4 in Indiana, United States
Nov 2008 - Jan 2015
Oct 2009

115700 mi
Check engine light is always lit due to pressure problem in the gas tank. 
Jun 2010

129000 mi

US $700
leak in evaporator cap 
Infiniti QX4 in New Jersey, United States
Apr 2011 - Oct 2016
May 2011

70000 mi

US $550
Replaced cracked header and other exhaust pieces 
May 2012

76000 mi

US $200
Broken Exhaust bracket and broken heat shields 
Oct 2014

110500 mi

US $1
02 bank 2 sensor. known issue. software bug, computer checks sensor too early in start up procedure. sensor actually fine. not willing to pay dealer to fix. 
Infiniti QX4 in Ontario, Canada
Sep 2009 - Jul 2010
Jul 2010

110980 mi

C $400
O2 sensor exhaust sway bars 
Infiniti QX4 in New Jersey, United States
Oct 2012 - Jul 2018
Apr 2016

201000 mi

US $355
ABS sensor/ master cylinder 
Feb 2017

206000 mi

US $1000
Can't find reason for over heating. Replaced, water pump, radiator, front and rear thermostats,hoses, antifreeze: All twice. The only thing I can think of are the CATS. 
Jul 2017

206000 mi

US $600
Love the vehicle, but no one can find why it's overheating, so it sits in my driveway. 
Infiniti QX4 in North Carolina, United States
May 2011 - Sep 2014
Oct 2011

74000 mi

US $175
exhaust pipe leak 
Dec 2011

79000 mi
drivers seatbelt starting retracting slowly 

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2003 Infiniti QX4 Repair Histories

See our lemon odds and nada odds page to see vehicles with no repairs or vehicles with more than three repairs. To see how frequently 2003 Infiniti QX4 problems occur, check out our car reliability stats.