Gas Type Designed for FX35s?

A forum for lovers of Infiniti's hot-rod crossover, the FX! In 2014, all FX models will be named Infiniti QX70, in line with Infiniti's new naming structure.
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SFBayQ45
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Gas Type Designed for FX35s?

Postby SFBayQ45 » Mon Nov 06, 2006 8:44 am

I've got conflicting info from the fueleconomy.gov site that the FX35 uses regular gas while other sites reference premium gas. I know the FX45 uses premium, but what type of gas is designed for the FX35 engine (I assume it's the same for RWD and AWD)? Also, what kind of actual mileage are you getting in real-world driving: city/highway/combined?


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elwesso
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Re: Gas Type Designed for FX35s? (SFBayQ45)

Postby elwesso » Mon Nov 06, 2006 10:15 am

Technically it will run on both. Its not quite so picky like our old Qs are....

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Rex
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Postby Rex » Mon Nov 06, 2006 10:32 am

did some searching and found a few tables on a few sites and they all list "Premium Unleaded" as the recommended fuel for all FX series vehicles.

Romanuts
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Re: (Rex)

Postby Romanuts » Sat Nov 25, 2006 2:03 pm

On FX35 Premuim is recomended but not required but the FX45 it is Required.

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Re: (Romanuts)

Postby audtatious » Sun Nov 26, 2006 8:03 am

The FX35 has the VQ35DE which is the same motor in most of the US V6 models. My maxima and the G's I have seen with the same motor stress Premium gas.

The Clock Meister
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Re: Gas Type Designed for FX35s? (SFBayQ45)

Postby The Clock Meister » Tue Dec 05, 2006 6:58 pm

My '04 FX35 went over 16K on 87 regular with no indication of problem, my new '06 says in the manual that it will run on 87 but "for best performance" to run 89 to 91.

Since I don't do much "performance" driving, I'm sticking with the 87 unless I start having any problems.

Perhaps there may be some long term advantages for feeding the higher octane, but since I don't keep a car more than a couple of years and usually only rack up 15-20K miles I don't see much advantage for me.


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Re: Gas Type Designed for FX35s? (The Clock Meister)

Postby GixxerSteve » Thu Dec 14, 2006 10:49 am

Yeah, when I first got my FX35 I read in the manual that premium is recommended, but then again most manufacturers recommend useless stuff all the time that simple costs more money with no added affect. I have always put at least middle grade (89 octane) fuel in my FX, and sometimes I splurge and treat my baby to some 91!


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