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Sedans Nissan Maxima Nissan Maxima
8972 messages, Last post on Sep 15, 2009 at 11:23 AM
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Replying to: bowke28 (Oct 13, 2004 11:21 am) 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.
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Replying to: p100 (Oct 15, 2004 8:45 pm) other than the 350Z, nissan allows a person to make the choice without jeopardizing longevity.
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Replying to: bowke28 (Oct 15, 2004 8:58 pm) 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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Replying to: bowke28 (Oct 15, 2004 8:58 pm) So my point is, you are always better off buying name brand gas from a gas station you know and trust, even if you use regular gas in your vehicle. And when you use name brand premium gas, you are not relying on knock sensors to retard your ignition timing, and potentially risking damage to your engine. Also, if your EGR valve quits working, rest assured that you will get engine pinging and knocking with regular unleaded, no matter what car you put it in. |
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Seems like a timeless topic on this board. Go back a few hundred posts and I'll bet this discussion has come up a dozen times. It is never resolved. Some are adamant that premium fuel is the only way to go; others are satisfied using regular. Anybody doing anything beside putting fuel in their Maximas? Like driving them or buying them maybe :^)
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Replying to: ramped (Oct 18, 2004 4:15 pm)
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Replying to: p100 (Oct 16, 2004 8:44 am) really??? is that why over 22000 fuel pumps had to be replaced at ashland/mobil's expense earlier this year? beleive it or not, 68% of the problems were with premium fuel.
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Replying to: p100 (Oct 18, 2004 8:34 pm) |
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Replying to: bowke28 (Oct 19, 2004 8:40 am)
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