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Old 08-11-2008, 05:58 AM
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Hey all, I've got an 08 2.5S 6 speed, which suffers from the same strange running issues, as a matter of fact a large percentage of new altima owners experience the pedal vibration, rough idle, etc... I have experimented and discovered that using higher octane gas will usually eliminate these issues. I say usually because I can't test this theory on every new altima, but it fixed my car, and others. I would encourage everyone to try it, i use 89 in my 2.5 as opposed to 87 the difference is shocking, 3.5 owners should use 93. Good Luck.
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