Didn't use Regular gas!!! - Nissan Forums : Nissan Forum
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Old 04-13-2012, 04:29 PM
EazyIV EazyIV is offline
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Didn't use Regular gas!!!

OK, so I just went to this gas station by my job that has the cheapest regular gas in town. I chose regular at the pump but when the nozzle clicked signaling that my tank is full, I noticed that Ultra gas was just pumped instead of the regular. I’m worried b/c I remember the manual for my 09 Altima saying to only use regular gas. Can I cause damage to my car by not using regular?
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Old 04-13-2012, 04:36 PM
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what is ultra gas?

if its just a higher octane gas you and your car will be fine.

now if you put in diesel or E85 you are gonna have a problem

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Old 04-13-2012, 04:48 PM
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You'll be fine. a higher octane gasoline shouldn't hurt the performance of your car. You may actually see an increase in the pep of the vehicle. The only thing that you could be at risk to is the engine knocking. If you're not familiar with it just google it.




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Old 04-13-2012, 04:59 PM
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the higher the octane the less the engine is gonna knock

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Old 04-13-2012, 06:11 PM
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Quote:
Originally Posted by 702L32 View Post
the higher the octane the less the engine is gonna knock
Right.. but will it cause the engine to knock more if the OP switched back to regular? That's what I heard before... anyone?



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Old 04-13-2012, 06:26 PM
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The gas I pumped was Sunoco Ultra® 94 octane...Will this cause the engine to knock?
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Old 04-13-2012, 07:27 PM
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Quote:
Originally Posted by starzplacez View Post
Right.. but will it cause the engine to knock more if the OP switched back to regular? That's what I heard before... anyone?
I did an didn't have any issues.

.
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Old 04-13-2012, 07:30 PM
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nope he will be completely fine. if he goes under the minimum required octane he will have knock. his car is stock so he wont have to worry cause all he needs is 87. i need over 91 or i will have issues

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Old 04-13-2012, 07:32 PM
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Quote:
Originally Posted by EazyIV View Post
The gas I pumped was Sunoco Ultra® 94 octane...Will this cause the engine to knock?
how much a gallon is that now? the highest grade here in vegas is only 91. in hawaii its 92. go figure. BUT RACE fuel 100 octane is available at certain REBEL gas stations

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Old 04-13-2012, 08:00 PM
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Quote:
Originally Posted by 702L32 View Post
how much a gallon is that now? the highest grade here in vegas is only 91. in hawaii its 92. go figure. BUT RACE fuel 100 octane is available at certain REBEL gas stations
It was $4.17:-(
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Old 04-13-2012, 08:02 PM
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thats cheaper than here for 91!

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Old 04-13-2012, 08:23 PM
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I use 93 octane in my 2.5 sometimes. It might just be me but it feels like the car is a lot faster. And the engine seems to run more smoothly. Went back to regular recently because premium in tampa is $4.35

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Old 04-13-2012, 08:27 PM
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Old 04-13-2012, 08:30 PM
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ive always used the top grade gas in all the cars ive ever owned for that reason. car runs better and better performance IMO

but people in here will tell you differently and that you are wasting your money.

91+ octane is better gas than cheap 87 IMO. im running closer to 100 octane in my car now. i notice a DIFFERENCE in response, power and engine noise and smoothness. BUT my car IS tuned for 91+

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Old 04-13-2012, 09:33 PM
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^^ In a hot, desert climate like Vegas, high octane fuel will certainly benefit you.

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