Infiniti QX4 owners have reported 19 engine and engine cooling related problems since 1996. Table 1 shows the 12 most common engine and engine cooling problems. The number one most common problem is related to the vehicle's manifold/header/muffler/tail pipe (3 problems). The second most common problem is related to the vehicle's engine and engine cooling (3 problems). For details of each of the problem category, use the links in the table.
Continued failure to pass emissions inspections; check engine light keeps coming on; replaced manifold and other parts, but veh. Read details...
The contact owns a 2003 Infiniti Qx4. While driving over 45 mph, the front end of the vehicle shook and vibrated. The vehicle was taken to the dealer where it was discovered that the engine cradle was cracked due to rusting and corrosion. The manufacturer was notified of the failure. Read details...
The contact owns a 2002 Infiniti Qx4. The contact was driving approximately 70 mph when the vehicle completely stalled without the warning. The vehicle was towed to the dealer for diagnosis. The technician informed the contact that three power valve screws detached from the engine. Read details...
The vehicle experienced a sudden loss of control while driving under normal driving conditions resulting in the vehicle hitting a curb and then a wall which caused damage to the front bumper, passenger side of vehicle and the tire punctured. Nlm Read details...
The contact's vehicle was involved in an accident on 8-15-05 while going 40-45 mph. The vehicle rolled over. At first , hit a mail box. Then, the back of contact's vehicle hit another car. She ended up in a ditch, rolled over, and hit a tree head-on. Read details...