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Nissan Maxima

8972 messages,  Last post on Sep 15, 2009 at 11:23 AM

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What is this discussion about? Nissan Maxima, Sedan


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#8398 of 8972
Re: regular fuel for 04 se [babe915] by p100
Oct 13, 2004 (10:19 am)
Reply

Replying to: babe915 (Oct 12, 2004 7:13 pm)

If you use regular unleaded, you get lower performance and lower fuel economy. Using premium pays for itself, because even if it is about 20cents more per gallon, you may see 10% improvement in fuel economy.
#8399 of 8972
Re: regular fuel for 04 se [p100] by bowke28
Oct 13, 2004 (11:21 am)
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Replying to: p100 (Oct 13, 2004 10:19 am)

10% improved fuel economy?!?! in which universe did they change the laws of physics?!?!
 
you would be lucky to get a whole mile to the gallon better. in many cases, people get worse mileage with premium.
#8400 of 8972
Re: regular fuel for 04 se [bowke28] by georged98
Oct 14, 2004 (9:37 am)
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Replying to: bowke28 (Oct 13, 2004 11:21 am)

That is true. My gas mileage went down when I switched to premium gas. I'm back to using regular gas, 87 Octane. No problems at all with this grade. I have 48,000 miles on my 02 GLE so far and still running great on regular gas.
#8401 of 8972
Re: regular fuel for 04 se [georged98] by pegasus17
Oct 14, 2004 (11:00 am)
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Replying to: georged98 (Oct 14, 2004 9:37 am)

Pls confirm that you've been using regular (87 octane) gas for most of 48000 miles with no problems? What is your fuel economy like? BTW, the onboard trip computer MPG on my 03 Max is off by 2-3 mpg consistently...
#8402 of 8972
Re: regular fuel for 04 se [coppamc] by aggiedog
Oct 14, 2004 (2:49 pm)
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Replying to: pegasus17 (Oct 14, 2004 11:00 am)

You are not alone regarding the onboard "trip" computer. Mine has never been right (02 SE with 37200+ miles).
#8403 of 8972
Re: regular fuel for 04 se [coppamc] by georged98
Oct 15, 2004 (4:25 am)
Reply

Replying to: pegasus17 (Oct 14, 2004 11:00 am)

When I purchased the car in March of 2002, I used regular gas for about 2 months and then switched to premium. This is when I noticed the difference between the two gas types. Ever since I have been using regular gas. I get around 25 - 27 mpg driving mostly in the city. I don't use the trip computer to get my mileage. I keep track each time I purchase gas to determine my mileage. The trip computer is good for checking outside temperature, not gas mileage.
#8404 of 8972
Re: regular fuel for 04 se [bowke28] by p100
Oct 15, 2004 (8:45 pm)
Reply

Replying to: bowke28 (Oct 13, 2004 11:21 am)

Every vehicle I own gets better fuel mileage with premium gas. My 99 Mazda V6 gets about 10% better fuel economy with premium. And use of premium in this car is only recommended, not required. Even my 95 Nissan v6 pickup gets better fuel economy when using midgrade rather than regular. I also noticed markedly more sluggish performance with regular fuel in both vehicles. As for my 95 Nissan SE 5 speed I have always used premium fuel in this car, and the mileage is around 26-27 MPG combined with A/C on.
 
Interestingly enough, I have never had any sensor go bad in any of the vehicles in almost 100K miles each, never had injectors cleaned in any of them (although I use Techron injector cleaner in fuel tanks on a regular basis), and engine check light never came on in any of the vehicles to date either. And I never have any pinging in any of the cars, and they all run great.
 
I know a person who bought a used mint condition BMW 750 iL and used the cheapest available gas in it. Few months later, the engine needed fuel system related repairs to the tune of $ 4000. So being cheap is not always a good idea.
#8406 of 8972
Re: regular fuel for 04 se [p100] by bowke28
Oct 15, 2004 (8:58 pm)
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Replying to: p100 (Oct 15, 2004 8:45 pm)

you are comparing apples to oranges. the 750il requires premium fuel. period.
 
other than the 350Z, nissan allows a person to make the choice without jeopardizing longevity.
#8407 of 8972
Re: regular fuel for 04 se [bowke28] by dklanecky
Oct 16, 2004 (5:19 am)
Reply

Replying to: bowke28 (Oct 15, 2004 8:58 pm)

I have driven 3 Nissan VQ's (95 Maxima, 00 Maxima and 03 Murano) over the last 10 years for over 360,000 miles combined.
 
85-90% of my miles are highway miles, and have been driven over roughly the same roads on the same trips over this time.
 
I also buy gas from the same 3-4 gas stations over and over again. I am very careful in maintaing the vehicles (Dealer service on everything except oil changes and tire roatations) and I monitor my air pressure in the tires at least weekly. I also use Mobile one.
 
Since I use my vehicles almost exclusively for business, I maintain riduclously detailed expense logs regarding each vehicle operating costs, including maintenance and repairs.
 
Without a doubt, the VQ engines I'm familar with (3.0 and 3.5) both get better gas mileage with Premium (93 octane where I live) than with mid grade (89 octane). I don't get 10% better mileage with premium, more like 7-8%, but it is no doubt better.
 
I have never tried regular in any of the three vehicles because I bought the Nissan(s) in the first place because I wanted better performance
not lower operating costs.

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