Infiniti QX4 Repair and Maintenance

A guide to problems, costs, maintenance and repair for your Infiniti QX4

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Infiniti QX4 Problems

The 4WD Light May Flash On and Off Intermittently

The 4WD light may flash on and off intermittently with no transfer case related fault code stored in the powertrain control module (PCM). Our technicians recommend to ensure the correct Nissan/Infiniti  approved fluid is present in the transfer case if this condition occurs.

Evap System Fault Due to Debris From a Failed Charcoal Canister

Failure of the EVAP System charcoal canister may allow charcoal debris to infiltrate the EVAP system causing other failures. Cleaning the vapor lines to ensure the system is clear of debris is important when repairing EVAP system failures.

Check Engine Light With Code P0138, P0140, P0158, and/or P0160

The Check Engine Light may illuminate with code P0138, P0140, P0158, and/or P0160 stored. Our technicians recommend replacing the rear oxygen sensor, and reprogramming the vehicle's powertrain control module (PCM) with upgraded software to correct this concern.

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Infiniti QX4 Questions

My truck won't start. The Dash lights up but will not turn over. (1 answer)

I would like to what could It possibly be?

Oil temperature light flashes (1 answer)

I have a 2001 Infiniti QX4 and the Oil temperature light flashes when I turn on the truck what does that mean?

When locked all of sudden alarm going off. Have to keep unlocked. N stalls (1 answer)

Stalls intermittent. Like running out of gas.. Smell ordor

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Infiniti QX4 Recalls

Front Airbag Inflator Module

This limited regional recall is for vehicles currently registered or first sold in Florida, Puerto Rico, Hawaii and the U.S. Virgin Islands, and equipped with Takata-brand air bag inflators. Upon deployment the driver and/or passenger airbag inflator could rupture, increasing the risk of personal injury. Honda dealers will replace the affected airbag inflator modules to correct this concern.

Injury Due to Airbag Deployment

Airbags use a chemical reaction contained in an inflator module to create the pressure necessary to inflate the bags when deployment is required. These vehicles are being recalled because the front passenger airbag inflator may produce excessive internal pressure when deployed. As a result, the inflator module could rupture, causing metal fragments to strike vehicle occupants. Dealers will inspect and replace any defective passenger front airbag inflator modules found.

Rust May Form on the Strut Tower Housing

In areas where winter road salt is used, a mixture of snow/water and salt may enter an assembly location hole in the upper strut housing. This corrosive mixture can collect on the mating surface of the strut housing panel and the inner hood ledge assembly; over time, this can cause rusting of the strut tower housing. The rust can weaken the housing, causing it to crack and pull away from the inner hood ledge assembly. This can lead to grinding noises and increased steering effort, which, if severe enough, can cause the steering column to break. This would result in a loss of steering control, increasing the risk of a crash. Dealers will inspect the strut housing and repair the vehicles as necessary. An interim notification letter should be mailed to owners prior to May 16, 2011.

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Infiniti QX4 Reviews

I bought my 2003 Infiniti QX4 used, but it was well maintained, and I kept it that way with regular service. It was almost at 221,000 miles (it drove beautifully, with no problems at all). I was hoping to keep it forever (even as a weekend car), but I was hit by another car in an accident and totalled it out. I actually cried, because I drove this vehicle 50 plus miles every day to work, and en...
I love my infiniti qx4 2002. This is my second one! It is quite expensive to maintain but it's worth the expense. Presently it's been diagnosed with po420 catalytic converter problem....my heart is sad....but still love my baby. Wish they did not discontinue the model. It is a very durable vehicle. I once saw 450,000 mileage accrued from QX4 4WD. It was still running, I fell in love....
My QX4 Infinity has been giving me nothing but problem it's a 2001 the code pc160/code 300 multipy misfire 02 sensor / right cataylac converter.is this car worth the cost of repair?

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