20 Most Recent 2003 Infiniti QX4 - Page 6 Questions & Answers

Sounds like you have a suspension issue. Go out side and push up and down on the front and back of the vehicle. if you see alot of motion, i would recommend replacing some suspension parts

just one. Underneath the intake manilfold

Sounds like a problem with the fan switch. If you can find the fuse for the blower motor, you could pull the fuse to stop the fan until you can get the problem fixed.

check for the diagram of ur infiniti. wiring diagram i mean.

Check the relevant fuses and replace if they are not good.

Check your fuse panel or fuse box and see if there is a fuse for the 4wd. If there is, remove it for a few minutes then reinstall it an see if the 4wd light goes out.

start engine and warm to normal temp.unplug both throttle position sensors,this will put system in set timing mode,set timing to 15 degrees...second to last mark on scale ...torward the drivers fender.reconnect when done.

what was the question maybe i can help you

Does the starter engage but the engine doesn't start? Have you had the systems computer tested for fault codes? These are basic tests that must be done to start the diagnostics to repair this problem, being that it is intermittent. Have you replaced the ignition starter switch? The switches they use in this car a re prone to this type of problem, the switch is the one the ignition lock cylinder operates to power up the car.