2000 Infiniti QX4

2000 Infiniti QX4 questions and answers

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Q: Shall i trade my 2001 20th aniv maxima for a 2000 infiniti QX4?
my max is well kept and has 130k miles on it and the infiniti is 133k and 1 owner well kept too is this a fair trade?

A: Only if you want a ill handling SUV of the luxury Pathfinder variety. I know the future Maxima owner will really love your well cared for car. And you will not like the loss of gas milage driving a heavy SUV around. 130 thousand miles your just getting the engine run in. Many of my maxima customers have almost 500,000 miles. 2001 was the best of the previous body style and annerversary had Zenon HID Headlights. Never back date always move foward on car trades.

Q: how do I manually reset my service ENG soon light for my 2000 infiniti qx4?


A: You don't..... You go to a shop and have the problem that tripped the light fixed and then they will reset it. The light can only be shut off by clearing the pcm of the codes that triggered the light.

Q: 2000 Infiniti gasoline?
Does any one know if a 2000 infiniti QX4 is required to use supreme gasoline? Can you use regular or midgrade or will it mess up the car?

A: You only need to use regular. Its not a high performance engine. The swami has been hearing a lot of nonsense around the gas pumps these days. People are tanking up with the "good" stuff because the commercials imply that it's better for their engine. When the oil companies use superlatives like "Super", "Extra" and "High"...well it must be better, right? And of course they wouldn't be charging $0.10 - $0.20 more unless they were putting some really good stuff in there, right? Sorry...NOT! "High Octane" is not synonymous with "good" or "better", and does not mean that it is better for your engine! And the chances are pretty good you don’t need high octane fuel in your scooter. High-octane fuels only become necessary when your engine has a high compression ratio. It’s a very long and complicated story…that the swami will make short. First important fact that you must accept: All gasoline, regardless of its’ octane rating, have pretty much the same amount of energy per gallon. What!!! "Sacrilege" you say? Well, actually, some higher-octane fuels have a few LESS percent energy per gallon…so as not to argue over this small point, for the sake of this discussion we will all agree that the automotive gasoline that you buy at the pump, regardless of octane rating, has the same amount of potential energy. Second important fact that you must accept: Octane is NOT a measure of power but of the fuels’ resistance to ignition from heat. A higher-octane fuel, under identical combustion chamber conditions, will burn slower. How can this be? If all of the above is true, how do we get more power out of high octane gasoline? We do, don’t we? Well…yes we do. Here’s how: But first you must understand "heat of compression". There is a 2,000 year old fire starting device that still amazes the swami. A length of bamboo was hollowed out leaving one end capped. A stick, about the same length as the bamboo, was whittled down until it fit snugly into the bamboo cylinder. A bit of dried grass or wood shavings were placed in the bottom of the bamboo cylinder and the snugly fitting stick was violently rammed down the bamboo tube. The heat generated from rapidly compressing the air in the tube was sufficient to ignite the tinder. The same thing can happen in the cylinder of an engine. The piston, quickly squeezing the fuel/air mixture into a small space, can generate enough heat of compression to ignite the fuel well before the spark plug fires, with unpleasant results. If the fuel prematurely ignites while the piston is on its way up, the burning of the fuel, in conjunction with the rising piston, creates even more pressure, resulting in a violent explosion. This explosion is equivalent to hitting the top of the piston with a very large hammer. If you want to be able to see through the top of your piston, ignore those sounds that are usually called: "pre-ignition", "ping" or "engine knock". Trust me on this one; in his reckless youth, using this method, the swami turned a few pistons into paper weights. What we really want is a very rapid burn of the fuel, not an explosion. And we want the burning of the fuel to take place while the piston is in a better position to convert this pressure into productive work, like on its way down. Think of this burning as a very fast "push" on the top of the piston. Despite the violent noises you hear from some exhaust systems, it really is a rapid push on the top of the piston making the crankshaft go around, not explosions. So that we can ignite the fuel at exactly the right time with the spark plug, instead of from the heat of compression, they put stuff into gasoline to keep it from igniting prematurely. The more resistant the fuel is to ignition from the heat of compression, the higher its octane rating. Are you with me so far? Higher compression ratios = higher combustion chamber pressures = higher heat… and it is with these higher combustion chamber temperatures that the magic happens. At higher temperatures the fuel is burned more efficiently. So, while it’s true that the higher-octane fuel does not posses any more energy than low octane fuel, the increased octane allows the extraction of more of the potential energy that has always been there. Conversely, lower compression ration engines utilize a little less of the fuel energy potential (2-4% reduction) but there is also less heat generated in the combustion process. So how do you know if you need high-octane fuel? The swami suggests you look in the owners’ manual! Manufacturers really do want you to get the maximum efficiency out of your engine. They do their best to give a good balance between horsepower and engine life. It’s in their best interests to do so. There is ABSOLUTELY NO BENEFIT to using a higher octane than your engine needs. The only benefit is increased profits to the oil companies that have cleverly convinced some of the public that their new "Super-Duper, Premium-High-Test, Clean-Burning, Used-By-Famous-Racing-Types-All-Around-The-World, Extra-Detergent-Laden-Keep-Your-Pipes-Clean, Extra-High-Octane" fuel is your engines’ best friend. The swami is telling you the truth, don’t listen to that talking cartoon car. The swami hears people insisting that they got better mileage, better acceleration, and less dental plaque by switching to a high-octane fuel. The swami reminds these people that in every pharmacy is a special miracle pill that is often prescribed by doctors, it works wonders because people believe that it works wonders; it’s called a "placebo". The swami warns: never confuse faith with physics! If you are getting pinging or knocking with what should be the correct octane for your engine, start by checking the ignition timing, also check that the spark plug is the correct heat range. For 2-strokes, check for excessive carbon build-up on the top of the piston, the carbon takes up space and increases the compression ratio. If all is well and correct, and you still are getting knocking, then try the next higher octane. You won’t go faster, you won’t go farther, but you will prevent an unsightly hole in your piston. This subject is a whole lot more complicated than the swami wants to bother with. If you are curious to know more, put some of these words into your search engine and enjoy the education: Antiknock Index Octane Stoichiometric Combustion Thermal Efficiency Flame Front Highest Useful Compression Ratio Compression Ratio Placebo

Q: Infiniti Stock sound system vs Sony Xplode?
I have a 2000 QX4 infiniti with a stock Bose sound system and i was wondering which would be better a Sony Xplode CDX-GT10w or the stock radio. Thanks

A: Now this is just what I think. Unless you plan on putting subs in the car, I would just stay with the stock Bose radio, and I would get a better head unit than a Sony.

Q: can I install a subwoofer and amp to my factory In Dash unit?
I have a 2000 infiniti qx4 (pathfinder). I found a great deal on subs and amps with all wires. I just would like to know if I can use my factory in dash unit or do I have to buy a new one

A: DO NOT JUST TAP INTO THE WIRES!! You will fry your in dash and factory amps. You need a hi-low converter. This you should tap into the wire that goes from your factory amp to the speaker. The QX4 is a lot more complicated than a normal car stereo because it uses amplifiers at each speaker. Use the HI-LOW converter. My suggestion would be to get a new in dash anyway. Even though you can do it without the the new in dash, it will sound much better with an aftermarket unit and you will have greater control

Q: Infiniti Vs Honda Civic?
Can you please compare "Infiniti QX4 2000 V6 3.5liter" with "Honda Civic 2004 (Automatic) 1.6 ? Which one is better, and which one is more faster when given to race ? Thanks for any help.

A: heavy SUV vs Civic. About the same 0 to 60 times 1/4 mile I see the civic gaining. The 3.5 V-6 will just barely win. I don't know which one I would put my money on. Blue bottle NOX2 fed civic I would bet on the civic. Be very carefull thet might be a VVTI engine out of an SI in the civic. Check test and tune nights and see if Honda boy or girl has been to the track? QX-4 should hammer down a low 17 to high 16 second 1/4 at 80 trap speed at the top of second/third gear. Automatic honda 1,600cc right in there

Q: Infiniti QX4 V6, 3.3L (Automatic) Vs Honda Civic 1.6 (Manual)?
Can you please compare the above Two Cars if raced. Infiniti model is 2000 and the Civic model is 2004 and its not V-tec Engine.

A: it would be close, but you would probably have the edge.

Q: I need help with a 2000 infiniti qx4?
I have recently installed a short ram air intake system but the problem is that is it ok if you do not connect the sensors back because there is no way to plug the sensors in the new air intake system there are no opening to plug it back in.

A: it's ok