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-   -   2005 Accord - Sudden significant decline in miles/gal (https://www.gtcarz.com/honda-mailing-list-327/2005-accord-sudden-significant-decline-miles-gal-297115/)

Jim Yanik 01-30-2007 10:45 PM

Re: 2005 Accord - Sudden significant decline in miles/gal
 
"Michael Pardee" <michaeltnull@cybertrails.com> wrote in
news:ssmdnR4vxPRbTSLYnZ2dnUVZ_ruknZ2d@sedona.net:

> "John" <sbnospam@gmail.com> wrote in message
> news:P6CdnZkKPKBgySLYnZ2dnUVZ_riknZ2d@rcn.net...
> Do you want to hear even more? You may call me crazy, but I swear it's
> true.
>
> All of a sudden, the Trip meter (Trip A) shows that the distance from
> my home to my office is 16 miles, when it was always only 15 miles....
> At the same time, the odometer shows less miles that I should probably
> have,


This is inconsistent.The figures you give means a +6.6% error in mileage
for the trip meter,and then the odometer has an OPPOSITE error?
That doesn't seem right.Shouldn't they both have similar errors?

> and I am keeping a good look at that because my car is leased
> and I am constantly monitoring this so that I won't exceed my
> 'allowance'. Again, you may think I drank something, I am telling you
> I didn't.
>
> Is this possible?
>
>================================================= ===================
> Possible that you drank something? Oh! I get it ;-)
>
> Yes, I think it's possible. My thought is electrical trouble, but not
> necessarily easy to find electrical trouble. It could be as direct as
> a deranged Vehicle Speed Sensor or as off-the-wall as noise on the 12
> volt supply to the instrument panel. I don't encourage you to wrap a
> whole lot of time up in this idea, but a check for AC voltage across
> the battery or voltage between the engine block and body (both tests
> with the engine running) would be worthwhile.
>
> If this is odometer foolishness is indeed related to the sudden drop
> in mpg, it is a lot easier to get the service shop to take it
> seriously - it is easier to identify and they will know when it is
> fixed. Really! The trick is to find a preferably known distance and
> drive it while recording the trip and standard odometer readings.
>
> Mike
>
>
>


IIRC,I just read something today on rec.autos.driving about Honda having
some sort of problem with odometers accumulating more miles than actually
driven,thus effectively shortening the warranty,so Honda was going to add
5% to the warranty mileage limit on the cars.

although this sort of problem would increase MPG instead of reducing it.
(6.6% farther distance on a gallon of gas,if he uses the TRIP meter and not
the odometer for the miles travelled.)

--
Jim Yanik
jyanik
at
kua.net

Dick 01-31-2007 07:51 PM

Re: 2005 Accord - Sudden significant decline in miles/gal
 
Do you buy your gasoline at the same place?
Maybe the gas pump has a error in the computer .
"John" <ein_shem@hotmail.com> wrote in message news:UISdnXA6d9NL4iPYnZ2dnUVZ_veinZ2d@rcn.net...
Greetings,

My 2005 Accord EX (2.4L) did average of 28 miles per gallon for two years (since I got it in November 2004 until about begining of December 2006). I drive the same highway every day, same speeds (average of 75), same distance every day, went through the same seasons twice (summer/winter) in the same place. Nothing, and I mean absolutely nothing has changed in my driving habbits.

Then, sometime in begining of December 2006, all of a sudden I noticed a decline of about 20% in my fuel consumption...from average 28 to average 22.

Any one experienced this before? Any idea what could it be?

Thanks.

Dick 01-31-2007 07:51 PM

Re: 2005 Accord - Sudden significant decline in miles/gal
 
Do you buy your gasoline at the same place?
Maybe the gas pump has a error in the computer .
"John" <ein_shem@hotmail.com> wrote in message news:UISdnXA6d9NL4iPYnZ2dnUVZ_veinZ2d@rcn.net...
Greetings,

My 2005 Accord EX (2.4L) did average of 28 miles per gallon for two years (since I got it in November 2004 until about begining of December 2006). I drive the same highway every day, same speeds (average of 75), same distance every day, went through the same seasons twice (summer/winter) in the same place. Nothing, and I mean absolutely nothing has changed in my driving habbits.

Then, sometime in begining of December 2006, all of a sudden I noticed a decline of about 20% in my fuel consumption...from average 28 to average 22.

Any one experienced this before? Any idea what could it be?

Thanks.

Dick 01-31-2007 07:51 PM

Re: 2005 Accord - Sudden significant decline in miles/gal
 
Do you buy your gasoline at the same place?
Maybe the gas pump has a error in the computer .
"John" <ein_shem@hotmail.com> wrote in message news:UISdnXA6d9NL4iPYnZ2dnUVZ_veinZ2d@rcn.net...
Greetings,

My 2005 Accord EX (2.4L) did average of 28 miles per gallon for two years (since I got it in November 2004 until about begining of December 2006). I drive the same highway every day, same speeds (average of 75), same distance every day, went through the same seasons twice (summer/winter) in the same place. Nothing, and I mean absolutely nothing has changed in my driving habbits.

Then, sometime in begining of December 2006, all of a sudden I noticed a decline of about 20% in my fuel consumption...from average 28 to average 22.

Any one experienced this before? Any idea what could it be?

Thanks.

Dick 01-31-2007 07:51 PM

Re: 2005 Accord - Sudden significant decline in miles/gal
 
Do you buy your gasoline at the same place?
Maybe the gas pump has a error in the computer .
"John" <ein_shem@hotmail.com> wrote in message news:UISdnXA6d9NL4iPYnZ2dnUVZ_veinZ2d@rcn.net...
Greetings,

My 2005 Accord EX (2.4L) did average of 28 miles per gallon for two years (since I got it in November 2004 until about begining of December 2006). I drive the same highway every day, same speeds (average of 75), same distance every day, went through the same seasons twice (summer/winter) in the same place. Nothing, and I mean absolutely nothing has changed in my driving habbits.

Then, sometime in begining of December 2006, all of a sudden I noticed a decline of about 20% in my fuel consumption...from average 28 to average 22.

Any one experienced this before? Any idea what could it be?

Thanks.

rick++ 02-01-2007 12:47 PM

Re: 2005 Accord - Sudden significant decline in miles/gal
 
I get as high as 40 mpg on summer road trips
and as low as 30 for winter city driving for a civic.
Three factors are, 15% ethonal in winter (less mileage),
more city driving, less cold weather performance.


rick++ 02-01-2007 12:47 PM

Re: 2005 Accord - Sudden significant decline in miles/gal
 
I get as high as 40 mpg on summer road trips
and as low as 30 for winter city driving for a civic.
Three factors are, 15% ethonal in winter (less mileage),
more city driving, less cold weather performance.


rick++ 02-01-2007 12:47 PM

Re: 2005 Accord - Sudden significant decline in miles/gal
 
I get as high as 40 mpg on summer road trips
and as low as 30 for winter city driving for a civic.
Three factors are, 15% ethonal in winter (less mileage),
more city driving, less cold weather performance.


rick++ 02-01-2007 12:47 PM

Re: 2005 Accord - Sudden significant decline in miles/gal
 
I get as high as 40 mpg on summer road trips
and as low as 30 for winter city driving for a civic.
Three factors are, 15% ethonal in winter (less mileage),
more city driving, less cold weather performance.


John Horner 02-02-2007 01:00 PM

Re: 2005 Accord - Sudden significant decline in miles/gal
 
John wrote:
> Greetings,
>
> My 2005 Accord EX (2.4L) did average of 28 miles per gallon for two
> years (since I got it in November 2004 until about begining of December
> 2006). I drive the same highway every day, same speeds (average of 75),
> same distance every day, went through the same seasons twice
> (summer/winter) in the same place. Nothing, and I mean /absolutely/
> nothing has changed in my driving habbits.
>
> Then, sometime in begining of December 2006, all of a sudden I noticed a
> decline of about *20%* in my fuel consumption...from average 28 to
> average 22.
>
> Any one experienced this before? Any idea what could it be?
>
> Thanks.



Has the air filter ever been replaced? Perhaps it reached the point of
being clogged enough to cause a great deal of inlet restriction.


John Horner 02-02-2007 01:00 PM

Re: 2005 Accord - Sudden significant decline in miles/gal
 
John wrote:
> Greetings,
>
> My 2005 Accord EX (2.4L) did average of 28 miles per gallon for two
> years (since I got it in November 2004 until about begining of December
> 2006). I drive the same highway every day, same speeds (average of 75),
> same distance every day, went through the same seasons twice
> (summer/winter) in the same place. Nothing, and I mean /absolutely/
> nothing has changed in my driving habbits.
>
> Then, sometime in begining of December 2006, all of a sudden I noticed a
> decline of about *20%* in my fuel consumption...from average 28 to
> average 22.
>
> Any one experienced this before? Any idea what could it be?
>
> Thanks.



Has the air filter ever been replaced? Perhaps it reached the point of
being clogged enough to cause a great deal of inlet restriction.


John Horner 02-02-2007 01:00 PM

Re: 2005 Accord - Sudden significant decline in miles/gal
 
John wrote:
> Greetings,
>
> My 2005 Accord EX (2.4L) did average of 28 miles per gallon for two
> years (since I got it in November 2004 until about begining of December
> 2006). I drive the same highway every day, same speeds (average of 75),
> same distance every day, went through the same seasons twice
> (summer/winter) in the same place. Nothing, and I mean /absolutely/
> nothing has changed in my driving habbits.
>
> Then, sometime in begining of December 2006, all of a sudden I noticed a
> decline of about *20%* in my fuel consumption...from average 28 to
> average 22.
>
> Any one experienced this before? Any idea what could it be?
>
> Thanks.



Has the air filter ever been replaced? Perhaps it reached the point of
being clogged enough to cause a great deal of inlet restriction.


John Horner 02-02-2007 01:00 PM

Re: 2005 Accord - Sudden significant decline in miles/gal
 
John wrote:
> Greetings,
>
> My 2005 Accord EX (2.4L) did average of 28 miles per gallon for two
> years (since I got it in November 2004 until about begining of December
> 2006). I drive the same highway every day, same speeds (average of 75),
> same distance every day, went through the same seasons twice
> (summer/winter) in the same place. Nothing, and I mean /absolutely/
> nothing has changed in my driving habbits.
>
> Then, sometime in begining of December 2006, all of a sudden I noticed a
> decline of about *20%* in my fuel consumption...from average 28 to
> average 22.
>
> Any one experienced this before? Any idea what could it be?
>
> Thanks.



Has the air filter ever been replaced? Perhaps it reached the point of
being clogged enough to cause a great deal of inlet restriction.


TE Chea 02-09-2007 01:03 PM

Re: 2005 Accord - Sudden significant decline in miles/gal
 
| "Elle" <honda.lioness@nospam.earthlink.net>

"honda saleswoman" is truer



TE Chea 02-10-2007 07:14 AM

Re: 2005 Accord - Sudden significant decline in miles/gal
 
| In winter, you have 3 significant factors messing with mileage

What about ECU's open loop lasting longer ?
http://home.flash.net/~lorint/lorin/fuel/lambda.htm




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