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1998 Infiniti QX4 Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 1998 Infiniti QX4

1998 Infiniti QX4 Problems

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.

Carbon deposits on the throttle body may cause any of the following issues: Idle speed fluctuation, incorrect idle speed, difficulty accelerating way from a stop, and or increased accelerator pedal resistance. Our technicians tell us a revised throttle body and associated parts are available to resolve this issue.

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/Infinity approved fluid is present in the transfer case if this condition occurs.

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1998 Infiniti QX4 Questions

My qx4 starts fine but once u have driven it for about 2 minutes, it starts going off by itself as though the fuel supply has been cut. i have changed fuel pump but no result. i think it might be related to the air switch which i have also changed. what could be the problem.
also what does P400 ...

I'm getting a knocking sound and the oil level is full ...I suspect the oil compression swith. The vehicle has over 210,000 miles.

start. can be going down hywy and car will slow down and at times want to stall while holding the pedal at same speed.I can give more gas and let back off several times and it will clear up most of the time. the code is a p400 misfire code. i have replaced so many sensors, tune up, rotor cap and ...

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1998 Infiniti QX4 Recalls

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.

ON CERTAIN VEHICLES ORIGINALLY SOLD IN OR CURRENTLY REGISTERED IN THE STATES OF CONNECTICUT, DELAWARE, IOWA, ILLINOIS, INDIANA, KENTUCKY, MASSACHUSETTS, MAINE, MARYLAND, MICHIGAN, MINNESOTA, NEW HAMPSHIRE, NEW JERSEY, NEW YORK, OHIO, PENNSYLVANIA, RHODE ISLAND, TENNESSEE, VERMONT, VIRGINIA, WEST ...

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1998 Infiniti QX4 Reviews

Probably the best car I have ever owned. Approx 180,000 miles just took to Infiniti dealer for strut housing recall. Has been a wonderful car. Would definitely buy another.

I have had this car for 12 years. It has 267,000 miles and I just started to have problems with it. Nothing major that would have gone out on most cars with half those miles. Great car and the mechanics that have worked on them say it is one of the best cars made.

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