2004 Infiniti Fx45 problems

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The Infiniti QX70, formerly called the Infiniti FX until 2013, is a compact luxury crossover SUV produced by the Nissan-owned Infiniti luxury vehicle brand between 2002 and 2017. The FX replaced the QX4 as Infiniti's mid-size SUV. It shares the same FM platform as the rear-wheel drive Nissan 370Z, and it "made no claims of climbing mountains." Rather, its aggressive shape promised style and quick handling. The similarly sized Nissan Murano is based on the same D platform as the front-wheel drive Nissan Altima. The FX does not have a Nissan-branded equivalent and is not sold in Japan.

The FX introduced its second generation for the 2009 model year as the FX35 and FX50.

First generation (S50; 2003)

The nameplates FX35 and FX45 refer to the two available engines. The FX35 is available in two drivetrains, the RWD and the AWD, which are both fitted to a dual overhead cam 3.5-liter 24-valve V6 VQ35DE gasoline engine, with aluminum-alloy block and heads, electronically controlled throttle system, and low-friction molybdenum-coated pistons that makes use of the continuous variable valve timing which in part optimizes the opening of intake valves. This is also coupled with an electronically controlled super-wide ratio five-speed automatic with a manumatic shift mode that includes the option of sequentially selected manual gearshifts and downshift rev-matching.

The AWD FX45 incorporates a 4.5 L (4,494 cc) 32-valve V8 DOHC VK45DE gasoline engine with four valves per cylinder, microfinished camshafts with aluminum-alloy block and heads, low-friction molybdenum-coated pistons, titanium intake and exhaust valves, modular cylinder heads, microfinished crankshaft, lightweight pistons, super-silent single stage cam drive chain, and a Continuously Variable Valve Timing Control System that optimizes opening of intake valves. Development began in 1999 under newly appointed CEO Carlos Ghosn's NRP. Design work was completed in rapid succession in 2000, for late 2002 production. Designed prior to that, earlier on in 2000 under the "Bionic Cheetah" theme, the 2001 Infiniti FX45 Concept was introduced at the NAIAS in January 2001. From mid-2001, a new concept based on the production design was developed and completed in late 2001. Sketches were first released in late November 2001. The second-generation 2002 FX45 Concept was introduced in January 2002 at the NAIAS '02 as a thinly-veiled production FX (S50) and planned production was announced for early 2003. In January 2003, the 2003 FX45 made its debut at the 2003 NAIAS and went on sale January 24, 2003.

In 2003 for the 2004 model, changes were the addition of a standard eight-way power front passenger seat that replaced the previous four-way design, the availability of aluminum roof rails and chrome-plated 20-inch wheels. Also new were a dark silver metallic finish for the 20-inch wheels (non-chrome-plated), the addition of a standard HVAC filter for all models and the addition of a new Snow-Mode function.

In September 2004 for the 2005 model year, the FX range received enhancements such as a lane departure warning (LDW) system that helps alert drivers to an unintended movement of the vehicle out of a designated traffic lane. Infiniti's system monitored the lane markings to alert passengers via an audible buzzer that the driver is drifting unintentionally. The LDW system, which utilizes a small camera, speed sensor, an indicator, and an audible warning buzzer, was offered on models. The 2005 Infiniti FX was the first passenger vehicle to offer a lane departure warning system in the United States market. In addition to LDW, the 2005 Infiniti FX range was now equipped with standard roof-mounted curtain supplemental curtain airbags with rollover protection for front and rear outboard seat occupants.

Other changes included the addition of a dark chrome grille, headlight, and clear taillight accents to the FX45 (also available as part of the V6 Sport Package on FX35 models), a new key fob design for the Infiniti Intelligent Key system, and two new exterior colors, Sapphire and Sheer Platinum. Interior changes included a new standard etched aluminum trim.

Total 2007 sales of the FX45 were 1,598 units, about a tenth of the FX35s.

2004 Infiniti Fx45

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Common 2004 Infiniti Fx45 problems

The 2004 Infiniti FX45 is a luxury SUV that has been reported to have several common issues related to the engine, brake system, electrical system, and suspension system.

One of the issues reported by some owners of the 2004 Infiniti FX45 is related to the engine. Some drivers have noticed that their vehicle is consuming more oil than usual or experiencing a loss of power. This may be due to a faulty oil pressure sensor or other mechanical issues. If you are experiencing this issue, it is recommended to bring your vehicle to a certified mechanic for an inspection and repair.

Another issue that has been reported by some 2004 Infiniti FX45 owners is related to the brake system. Some drivers have noticed that their vehicle is taking longer to stop or experiencing a spongy brake pedal. This may be due to a faulty brake master cylinder or other brake system components. To address this issue, it is recommended to have your brake system inspected and any faulty components replaced.

Another common issue with the 2004 Infiniti FX45 is related to the electrical system. Some drivers have reported issues with the instrument cluster, including non-functional gauges or warning lights. This may be due to a faulty instrument cluster or other electrical problems. To address this issue, it is recommended to have your electrical system inspected by a certified mechanic, who can identify the root cause of the problem and perform any necessary repairs.

Finally, some owners of the 2004 Infiniti FX45 have reported issues with the suspension system. Some drivers have noticed a bouncy ride or excessive road noise, which may be due to worn-out shocks or other suspension components. To address this issue, it is recommended to have your suspension system inspected and any worn-out components replaced.

These issues are not uncommon for vehicles of this age and model, and they can be addressed with proper maintenance and repair. It is important to have any issues inspected and addressed by a certified mechanic to ensure the safety and reliability of the vehicle.

2004 Infiniti Fx45 engine

What is the major problem of Infiniti FX35?

Prematurely Worn-out Wheel Bearings

One of the most widely reported problems with the 2003-2012 Infiniti FX35 is its front wheel bearings, which are prone to sustaining premature wear and damage. The worn-out wheel bearings may cause an abnormal grinding noise at the front of your SUV at around 94,000 miles.

What engine is in the FX45?

4.5-liter

But the FX45 comes only with Infiniti's 4.5-liter 315-horsepower V-8 (courtesy of the Infiniti Q45) and all-wheel-drive. Both vehicles are mated to a standard five-speed automatic transmission. Infiniti provided an FX45 for testing. It proved to be quite powerful.

How many miles can a 2004 Infiniti FX35 last?

Both engines, FX45 and FX35, should last over 250k miles if taken care of: Good oil and regular changes.

Is Infiniti FX45 fast?

Did I mention these things had a great exhaust? The V8 was the one you wanted though. The FX45 was able to hit 60 mph in just 6.3 seconds, besting both the Mercedes-Benz ML 55 AMG and the BMW X5 4.6is; top speed was 149 mph.

2004 Infiniti Fx45 complaints

The NHTSA has received 0 complaints about various vehicle components related to the 2004 Infiniti Fx45.

You can leave your car complaint via the special form below.

2004 Infiniti Fx45 recalls

The National Highway Traffic Safety Administration (NHTSA) has issued 7 recalls for different components of the 2004 Infiniti Fx45.

2020-01-09
  • Manufacturer: Nissan North America, Inc.
  • Components: AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE
  • Summary: Nissan North America, Inc. (Nissan) is recalling certain 2001-2003 Maxima, 2002-2006 Sentra, 2002-2004 Pathfinder, 2007-2011 Versa Sedan and Versa Hatchback, 2001-2004 Infiniti I30 and I35, 2002-2003 Inifiniti QX4, 2003-2008 Infiniti FX35 and FX45 and 2006-2010 M35 and M45 vehicles. The vehicles are equipped with non-desiccated, frontal passenger air bag inflators containing phase stabilized ammonium nitrate (PSAN) propellant that were used as interim remedy parts for previous Takata recalls. These inflators may explode due to propellant degradation occurring after long-term exposure to high absolute humidity, high temperatures, and high temperature cycling.
  • Consequence: An inflator explosion may result in sharp metal fragments striking the driver or other occupants resulting in serious injury or death.
  • Remedy: Nissan will notify owners, and dealers will replace the front passenger air bag inflators with alternate desiccated inflators, free of charge. The recall began February 12, 2020. Owners may contact Nissan customer service at 888-737-9511 or Infiniti customer service at 888-810-3715.
2016-05-24
  • Manufacturer: Nissan North America, Inc.
  • Components: AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE
  • Summary: Nissan North America, Inc. (Nissan) is recalling certain model year 2003-2008 Infiniti FX35 and FX45, 2003-2004 Infiniti I35, 2006-2010 Infiniti M35 and M45, and 2007-2011 Nissan Versa vehicles, originally sold, or ever registered, in Alabama, California, Florida, Georgia, Hawaii, Louisiana, Mississippi, South Carolina, Texas, Puerto Rico, American Samoa, Guam, the Northern Mariana Islands (Saipan), and the U.S. Virgin Islands, or "Zone A." Additionally, unless included in "Zone A" above, Nissan is recalling certain model year 2005-2008 Infiniti FX35 and FX45, 2003-2004 Infiniti I35, 2006-2008 Infiniti M35 and M45, and 2007-2008 Nissan Versa vehicles, originally sold, or ever registered, in Arizona, Arkansas, Delaware, District of Columbia, Illinois, Indiana, Kansas, Kentucky, Maryland, Missouri, Nebraska, Nevada, New Jersey, New Mexico, North Carolina, Ohio, Oklahoma, Pennsylvania, Tennessee, Virginia, and West Virginia, or "Zone B." Lastly, unless included in "Zone A" or "Zone B" above, Nissan is recalling certain model year 2003-2004 Infiniti I35 vehicles originally sold, or registered, in Alaska, Colorado, Connecticut, Idaho, Iowa, Maine, Massachusetts, Michigan, Minnesota, Montana, New Hampshire, New York, North Dakota, Oregon, Rhode Island, South Dakota, Utah, Vermont, Washington, Wisconsin, and Wyoming. These vehicles are equipped with certain air bag inflators assembled as part of the passenger frontal air bag modules, and used as original equipment or replacement equipment. These inflators may rupture due to propellant degradation occurring after long-term exposure to absolute humidity and temperature cycling.
  • Consequence: An inflator rupture may result in metal fragments striking the vehicle occupants resulting in serious injury or death.
  • Remedy: Nissan will notify owners, and dealers will replace the passenger frontal air bag inflator, free of charge. The recall began December 21, 2017. All owners should receive a second notice by May 15, 2017. Owners may contact Nissan customer service at 1-800-647-7261.
2015-05-15
  • Manufacturer: Nissan North America, Inc.
  • Components: AIR BAGS
  • Summary: Nissan North America, Inc. (Nissan) is recalling certain model year 2001-2003 Nissan Maxima, 2002-2004 Pathfinder, 2002-2006 Sentra, 2002-2003 Infiniti QX4 and I35, 2003 FX35 and FX45, and 2001 I30 vehicles. Upon deployment of the passenger side frontal air bag, excessive internal pressure may cause the inflator to rupture.
  • Consequence: In the event of a crash necessitating deployment of the passenger's frontal air bag, the inflator could rupture with metal fragments striking the vehicle occupants potentially resulting in serious injury or death.
  • Remedy: Nissan will notify owners, and dealers will replace the passenger air bag inflator, free of charge. The recall began on June 15, 2015. Owners may contact Nissan customer service at 1-800-647-7261. Note: On December 18, 2015 Nissan informed NHTSA of an amendment of this recall to remove 2004-2005 Infiniti FX35 and FX45 vehicles.
2015-04-17
  • Manufacturer: Nissan North America, Inc.
  • Components: AIR BAGS
  • Summary: Nissan North America, Inc. (Nissan) is recalling certain model year 2003-2004 Infiniti I35, 2003-2005 FX35 and FX45, and 2006 M35 and M45 vehicles originally sold, or currently registered, in geographic locations associated with high absolute humidity. Specifically, vehicles sold, or ever registered, in Florida, Hawaii, Puerto Rico, the U.S. Virgin Islands, Saipan, Guam, and American Samoa, as well as Alabama, Mississippi, Louisiana, Texas, and Georgia, are included. Upon deployment of the passenger side frontal air bag, excessive internal pressure may cause the inflator to rupture.
  • Consequence: In the event of a crash necessitating deployment of the passenger’s frontal air bag, the inflator could rupture with metal fragments striking the vehicle occupants potentially resulting in serious injury or death.
  • Remedy: Nissan will notify owners, and dealers will replace the passenger air bag inflator, free of charge. The recall began on June 16, 2015. Owners may contact Nissan customer service at 1-800-647-7261. Note: This recall supersedes recall 14V-701.
2006-08-31
  • Manufacturer: NISSAN NORTH AMERICA, INC.
  • Components: EXTERIOR LIGHTING:HEADLIGHTS
  • Summary: DURING A CANADIAN COMPLIANCE TEST, CERTAIN SPORT UTILITY VEHICLES FAIL TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 108, 'LAMPS, REFLECTIVE DEVICES, AND ASSOCIATED EQUIPMENT.' THE HEADLAMP ASSEMBLIES DO NOT MEET THE HEADLAMP PHOTOMETRIC VALUES REQUIREMENTS OF THE STANDARD.
  • Consequence: THIS STANDARD IS TO REDUCE TRAFFIC ACCIDENTS AND DEATHS AND INJURIES RESULTING FROM TRAFFIC ACCIDENTS, BY PROVIDING ADEQUATE ILLUMINATION OF THE ROADWAY, AND BY ENHANCING THE CONSPICUITY OF MOTOR VEHICLES ON THE PUBLIC ROADS SO THAT THEIR PRESENCE IS PERCEIVED AND THEIR SIGNALS UNDERSTOOD, BOTH IN DAYLIGHT AND IN DARKNESS OR OTHER CONDITIONS OF REDUCED VISIBILITY.
  • Remedy: DEALERS WILL REPLACE THE HEADLAMP ASSEMBLIES. THE RECALL BEGAN ON DECEMBER 18, 2006. OWNERS MAY CONTACT INFINITI AT 1-800-662-6200.
2006-07-11
  • Manufacturer: NISSAN NORTH AMERICA, INC.
  • Components: EXTERIOR LIGHTING
  • Summary: DURING A CANADIAN COMPLIANCE TEST, CERTAIN SPORT UTILITY VEHICLES FAILED TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 108, 'LAMPS, REFLECTIVE DEVICES, AND ASSOCIATED EQUIPMENT.' A REAR COMBINATION LAMP ASSEMBLY DID NOT MEET THE REQUIREMENTS.
  • Consequence: THIS STANDARD IS TO REDUCE TRAFFIC ACCIDENTS AND DEATHS AND INJURIES RESULTING FROM TRAFFIC ACCIDENTS, BY PROVIDING ADEQUATE ILLUMINATION OF THE ROADWAY, AND BY ENHANCING THE CONSPICUITY OF MOTOR VEHICLES ON THE PUBLIC ROADS SO THAT THEIR PRESENCE IS PERCEIVED AND THEIR SIGNALS UNDERSTOOD, BOTH IN DAYLIGHT AND IN DARKNESS OR OTHER CONDITIONS OF REDUCED VISIBILITY.
  • Remedy: DEALERS WILL REPLACE THE REAR COMBINATION LAMP ASSEMBLIES. THE RECALL BEGAN ON DECEMBER 18, 2006. OWNERS MAY CONTACT INFINITI AT AT 1-800-662-6200.
2005-12-13
  • Manufacturer: NISSAN NORTH AMERICA, INC.
  • Components: FUEL SYSTEM, GASOLINE
  • Summary: ON CERTAIN PASSENGER AND SPORT UTILITY VEHICLES, THE FUEL FILLER HOSE MAY CRACK AND RESULT IN FUEL LEAKAGE FROM THE HOSE WHILE REFUELING.
  • Consequence: FUEL LEAKAGE IN THE PRESENCE OF AN IGNITION SOURCE COULD RESULT IN A FIRE.
  • Remedy: DEALERS WILL REPLACE THE FUEL FILLER HOSE. RECALL BEGAN ON FEBRUARY 27, 2006, FOR NISSAN OWNERS, AND ON MARCH 13, 2006, FOR INFINITI OWNERS. OWNERS MAY CONTACT NISSAN AT 1-800-647-7261 OR INFINITI AT 1-800-662-6200.

Positive 2004 Infiniti Fx45 car reviews

  1. Tony Marquardt 2024-11-02

    The Infinite FX45 is an amazing driving experience. The ride is smooth and efficient, and you can really feel the comfort and control. I absolutely love the Tech Pkg. It's almost like the car drives itself!

  2. Roel Gutkowski 2024-10-24

    I can't believe how fast, smooth and exciting this SUV is. I've owned this thing for about 2 months now and I still get excited at just the thought of getting back on the road to drive my FX45 again. I've always wanted an SUV but also a sports car. In this FX, I got both and then some. All I can say is Wow!!

  3. Charley Ullrich 2024-10-04

    There are some minor issues that need to be addressed, such as the tire pressure light coming on for no apparent reason and the memory seats being inconsistent. Additionally, the service provided by my dealership has been poor, exacerbating the situation.

  4. Thurman Erdman 2024-08-24

    This car is awesome! The exterior is perfect and it really catches my eye. I love this car more than anything. Just look at those lines! Oh my gosh!

  5. Skylar Spinka 2024-08-23

    I hope you're enjoying your car! :)

Leave your review of 2004 Infiniti Fx45

Additional sources

More sources of information about 2004 Infiniti Fx45 problems:

Should I buy an Infiniti fx45 - Nissan Forum | Nissan Forums
Should I buy an Infiniti fx45 - Nissan Forum | Nissan Forums
https://forums.nicoclub.com/should-i-buy-an-infiniti-fx45-t497648.html

Jun 17, 2010 ... For the FX you will want to keep an eye out for oil consumption and dash board cracking/bubbling. However, Infiniti has addressed this issue ...

INFINITI FX45 Repair: Service and Maintenance Cost
INFINITI FX45 Repair: Service and Maintenance Cost
https://repairpal.com/infiniti/fx45

Most Common INFINITI FX45 Problems ... The fuel filler hose may crack and cause a leak when refueling, which could lead to fire. a recall was issued and... See ...

Infinity FX45 Electrical Issues: Find a Nearby Mechanic
Infinity FX45 Electrical Issues: Find a Nearby Mechanic
https://www.justanswer.com/nissan-infiniti/a68ar-infiniti-fx45-having-serious-electrical-issues.html

Jan 22, 2017 ... My infiniti Fx45 is having serious electrical issues. The battery light along with the brake light intermittently - Answered by a verified ...

my 2004 FX45 ISSUES - Nissan Forum | Nissan Forums
my 2004 FX45 ISSUES - Nissan Forum | Nissan Forums
https://forums.nicoclub.com/my-2004-fx45-issues-t592260.html

Aug 25, 2014 ... Car: 2004 INFINITI FX45. Re: my 2004 FX45 ISSUES. Post by MIKEONE » Thu Sep 11, 2014 10:29 pm. its the V8 engine, not the V6, but its the 4.5 ...

How Many Miles on your FX35/FX45 | Infiniti FX Forum
How Many Miles on your FX35/FX45 | Infiniti FX Forum
https://www.infinitifx.org/threads/how-many-miles-on-your-fx35-fx45.34057/

Oct 18, 2017 ... No major issues so far. Got all the black parts at a Junkyard in Austin Texas. Mine is a 2004 FX45 and it was the Black and Brick red or orange ...

Other years of Infiniti Fx45

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Fx45 2005
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Fx45 2003
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