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Nissan Maxima Fuel and Fuel System Questions

17 messages,  Last post on May 18, 2009 at 5:36 PM

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#4 of 17 Fuel Injector Problem? by ovey Feb 26, 2008 (9:43 pm)
I have a 91 maxima, low miles for the age (abour 110). One day it just started running very rough, like a cylinder wasn't firing. I don't know enough to diagnose it though. Mechanic said one piston wasn't firing due to clogged fuel injector. Naturally, it's like a million dollars to replace it (and the rest, might as well based on the age). I tried some fuel injector cleaner off the shelf, but it didn't work. The car isn't worth but $1200 so I don't want to spend much to get it running smoothly - any ideas? Thanks! Replies to this message: pg2 (Mar 19, 2008 6:31 am)
#5 of 17 Re: Fuel Injector Problem? [ovey] by pg2 Mar 19, 2008 (6:31 am)
Replying to: ovey (Feb 26, 2008 9:43 pm) Hi Ovey...... I will be willing to bet your having trouble with one of the ignition coils !!!! To my susprise I discovered that there are six ignition coils... one for each spark plug. With 85.000 miles on my car I decided to replace all my spark plugs thinking at the same time I might be able to find out which cylinder was misfiring by looking at each plug. Only one was a little bit darker than the other five so I decided to replace the coil ot this cylinder. Presto ! Problem was solved. My car has been running great ever since. Hope this helps you. Replaceing the plugs and the coil is really easy if your just a little bit mechanically inclined. The coil only cost $69.99 at Auto Zone. I can only imagine how much it would have cost me at a Nissan dealer. Paul
#6 of 17 1992 nissan maxima want start when cold by billiecobbler Apr 18, 2008 (11:33 am)
1992 nissan maxima want start when cold and it has to do with the fuel system
#7 of 17 2007 Maxima Recommended Fuel Type by tbarnes42 May 27, 2008 (12:52 pm)
96 Octane? (91 AKI)?   i wanted to know if it was ok to put regular gasoline (not premium) in my 2007 nissan maxima. i consulted the owner's manual and on page 9-3, they say that they recommend 91 AKI, which is equivalent to 96 octane. i have never seen octane higher than 93....so i dont know what they expect there.   the manual goes on to say that i can use "regular"....but their definition of regular is 87 AKI, which is octane 91 according to the manual.   every gas station i go to has "regular" defined as 87 octane....and you dont see any thing about AKI. furthermore.....i never see "91 octane" anyway...its all 87, 89, and 93.   What Gives!! can i use regular or not?? and where the %&*% do they expect me to find 96 octane??   i assume the drop in performance that the manual speaks about would be unnoticeable to teh average driver, am i correct?   Any guidance would help...thanks very much Terry Replies to this message: alexstore (Jun 08, 2008 10:10 am)
#8 of 17 2007 fuel type by bassmax May 28, 2008 (7:16 am)
I just bought an 08 Maxima with same engine as your 07 and they say you can run regular fuel but car is more efficient if premium is used. My son has same engine and he runs reg. most of the time and a tank of premium every third fill up. The manual and a mechanic I trust told me not to use any fuel additives in the tank since it will effect the computer that regulates fuel system. Your engine may 'ping' some with reg. but it won't hurt it......good luck Replies to this message: tbarnes42 (May 28, 2008 5:29 pm) bassmax (May 30, 2008 12:10 pm) alexstore (Jun 08, 2008 10:53 am)
#9 of 17 Re: 2007 fuel type [bassmax] by tbarnes42 May 28, 2008 (5:29 pm)
Replying to: bassmax (May 28, 2008 7:16 am) thanks for the info.....   so when you say "regular"...you are talking about "87 octane"....not this "87 aki...91 octane" stuff that they talk abotu in the manual...right? Replies to this message: bassmax (May 30, 2008 12:10 pm) alexstore (Jun 08, 2008 10:53 am)
#10 of 17 Re: 2007 fuel type [tbarnes42] by bassmax May 30, 2008 (12:10 pm)
Replying to: tbarnes42 (May 28, 2008 5:29 pm) right...and I just made a short trip of 700 miles and I ran 87 octane first tank and the mid fuel, i think 89 in the second tank(just filled ) Got just at 27.5 mpg.....on regular. I will let you know if 89 gets any better milage. Replies to this message: alexstore (Jun 08, 2008 10:53 am)
#11 of 17 Re: 2007 Maxima Recommended Fuel Type [tbarnes42] by alexstore Jun 08, 2008 (10:10 am)
Replying to: tbarnes42 (May 27, 2008 12:52 pm) 91 IS OFFERED AT SUNOCO ONLY. now rating of 96 is european equal to 91
#12 of 17 Re: 2007 fuel type [bassmax] by alexstore Jun 08, 2008 (10:53 am)
Replying to: bassmax (May 30, 2008 12:10 pm) You will not see any difference until you get several tanks as it will be mixed. 87 and 89 are too close to see any difference. 87 and 93 you at most will see a 1-2 mpg difference. Then again it will depend on your driving and road conditions.
#13 of 17 Service engine light on my 2001 Maxima by 777xlx Jul 04, 2008 (12:18 pm)
I've noticed that on occasion the day after I fill the gas tank, turn the gas cap three times after filling up the Service Engine light will go on and stay on until I have it cleared by a tech. It seems that when I do a fill up it happens. Not when the tank is at 3/4-1/2-1/4. Anyone out there experience the same problem? Is there a possibility that I may need a new gas cap where air is getting through the seal causing this to happen? Or does anyone have a solution ? Other than that there's been no operating problems with the light staying on. Only a nuisance. Thanks in advance to those who may be able to help me with this.

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