My 99 SE auto gets a little better than 25 in pure highway driving
"Mike" <snorlaxward@[EMAIL PROTECTED]
> wrote in message
news:Neynj.6307$yE1.1742@[EMAIL PROTECTED]
>E Meyer wrote:
>> Are those Imperial gallons? If U.S., it should be getting 28 mpg on
the
>> highway. How many miles on it? How long since the plugs were changed?
>>
>> Check the temperature sensors (there are two, one for the computer &
one
>> for
>> the temp gauge). If the one feeding the computer has gone bad, the
>> engine
>> computer will think the engine is always cold & mileage will drop
>> dramatically. Likewise, if the thermostat has gone bad and is not
>> closing,
>> the engine will never actually warm up. Do you get heat from the
heater
>> after the same amount of driving as in the past?
>>
>>
>> On 1/25/08 1:10 PM, in article
>> f3ffe$479a0955$d0030a88$26419@[EMAIL PROTECTED]
"tonga"
>> <ttgent@[EMAIL PROTECTED]
>
>> wrote:
>>
>>> 99' Maxima automatic 3000 6cyl.Only getting 18 miles per gallon hwy.
>>> Checked
>>> plugs and air filter.All fine. Should get 23 to 24. Car runs great.
>>> Plenty
>>> of power and torque.
>>> Anybody got any ideas
>>>
>>>
>>
>
> Holy cow!! 28 mpg? That is actual calculated mileage, not estimated?
> My 00 SE gets 18-20 overall, very little better on highway.
> -Mike
My 99 SE auto gets a little better than 25 in pure highway driving,
provided
I keep it around or under 2500 rpm. I get about 18.5 in winter in mixed
driving (lettting it warm up in the morning) and around 20 mpg overall in
the rest of the year.
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