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QX4

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Question
Looking at 2004 Buick Ranier with similar mileage, is there a way to tell which one would hold up longer?
If the mileages of the two vehicles are similar, I would recommend going with the vehicle that is in the best condition. I would recommend having a full vehicle inspection performed on both vehicles to determine what problems exist with...
Question
My car ran out of gas and now it won't start - 2001 Infiniti QX4
When you ran the fuel pump dry of fuel, the fuel pump may have seized up. Fuel pumps use the fuel in the tank to keep it cool so it does not overheat and also lubricates the internal parts as...
Question
Where is the Crankshaft Position Indicator on a 1998 Infiniti QX4?
The crankshaft position sensor is typically externally mounted on the engine near the crankshaft pulley. I would recommend checking near the crankshaft pulley for this answer. If you need help with the replacement of the crankshaft position sensor, I recommend...
Question
Car wont turn over battery is good
It sounds like you may be having an issue with your starter. I would recommend having your starter professionally tested with a digital multimeter. This test will determine if battery power is reaching the starter. If battery power is reaching...
Question
Fuel pump was replaced but it is still not working.
Hello. If the fuel pump is not coming on, and the fuse and relay are good, then it may be possible that there is a problem with the pump or the fuel pump circuit. The first thing I would do...
Question
The back end of the suv sways in the back when driveing down the road what would cause this its scary
It sounds like you may have some loose suspension parts on the rear of your vehicle. I would recommend having the rear wheels shook down to determine which parts have the free play. If you feel a sway in the...
Question
Car wont start or turn over battery is good
Hi there. In most cases, when you crank over the vehicle but it doesn't start, it's caused by one of three items. First, the sequence the technician recommended was to attempt to clear an error code that disables the ignition...
Question
Car won't start
Hi there. It sounds like you may have a failed starter or starter circuit. Always have the battery tested with a digital tester prior to testing or repairing any electrical components as an unhealthy battery will cause false test readings...
Question
Vehicle runs rough and has a knocking sounds. Could it be the transmission?
Hi and thanks for contacting Your Mechanic. Check your drive train in the front, you could have a wheel bearing going out. The reason it stops making noise when you accelerate is because torque is applied on the bearing and...
Question
I can not gain access to hose that has a split in it,
Hi there. Since we're not able to post images or download images from customers contacting us, it would be best for you to purchase a service and repair manual for your 1997 Infinity which will give you the diagrams and...
Question
I have a1999 infiniti qx4 v6 . Trouble code p0180 comes up and p0180 pd. I replaced the sending unit. Still won't start.
The trouble code P0180 could be related to the no start condition if the fuel is frozen from extreme cold or if there is water in the fuel. Also, if the fuel gets too hot and vaporizes, that can cause...
Question
Engine and battery light on
Hi There, You may have a failing voltage regulator that could be allowing the alternator to supply too much or too little amperage to the battery resulting in the battery never maintaining a consistent charge as it is designed to....
Question
My 1997 infinity qx4 3300 will not shift into 3rd gear it just drives at a high RPM's the faster I go the higher the RPM goes
Hi there. In most cases, when a transmission will not shift into higher gears, it's due to transmission fluid problem; either it's obstructed in the hydraulic lines, a torque converter issue or inner seal that is damaged. I'm not quite...
Question
Why do my 2002 infiniti temperture rise quickly once started i've changed the thermostat,and the fan @clutch
Hello, and thank you for writing in. With the repairs that you have already made, you may want to turn your attention to the water pump and the radiator. Make sure after the fan clutch replacement that the fans are...
Question
I've had two coil packs go out in the last 3 months. My engine is sagging when I slowly accelerate but no check engine code yet.
Hi There, If there are no check engine codes, it is likely that you do not have an ignition coil failing as this would cause a misfire and set a misfire code. There are a number of things that may...
Question
Overheating, no leaks, replaced thermostat, fan clutch, radiator.
The water pump is a possibility although when water pumps fail they usually leak or make noise. It is more likely that there is a restriction of some kind in the cooling system. Since the radiator has been replaced, the...
Question
How do I know if my overheating is a control valve or a water pump? No leaks. New radiator, fan clutch, thermostat.
It sounds like you may have a water pump that may not be pumping correctly or may be failing. When the water control valve is not working properly, this will usually cause the heater to not work, which does not...
Question
We've been having issues with our 97 Infiniti QX4. After everything, it still won't start.
Hi there. In most cases, when a car won't start it breaks down in two specific areas. First, the engine is not getting enough or the correction ratio of air and fuel mixture or second, the engine can't ignite this...
Question
Positive long term fuel trim.
The fuel trim numbers mean that the fuel is leaned out. If the number is at 0, then there is no change. If the numbers go to a positive increase, then the fuel system is leaning out. If the numbers...
Question
How many crankshaft position sensor are there? 2002 Infiniti QX4
Hello - there is only 1 crankshaft position sensor on this engine. It is located on top of the transmission bellhousing at the rear of the engine (driver side). For assistance, I recommend a crankshaft position sensor replacement performed by...

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