Camry Mileage

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Old 05 Dec 2004, 09:35 pm   #1 (permalink)
swami
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Default Camry Mileage

Hi,

I am running on 1993 Camry & apparantly it's giving very less mileage.
Only 20 miles per gallon on highways & less in city driving.

What can be the reasons for that & remedies.



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Old 06 Dec 2004, 06:45 am   #2 (permalink)
nospampls2002@yahoo.com
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Default Re: Camry Mileage

swami wrote:
> Hi,
>
> I am running on 1993 Camry & apparantly it's giving very less

mileage.
> Only 20 miles per gallon on highways & less in city driving.
>
> What can be the reasons for that & remedies.


Kind of a general complaint.
Any recent changes?
Almost everything about the operation of the vehicle can affect mileage
- dragging brakes, excessive idling, colder weather, shorter trips,
harder acceleration, weak spark plug wires, underinflated tires.
If you're getting 20 mpg steady speed cruising on the highway, you
should find the source of the problem.
Either take it to a mechanic, or begin checking everything under the
hood - fluid condiitons and levels, electrical connections, loose
damaged or missing parts, something binding?
Cursory inspection of ignition could be done by placing inductive
timing light pickup on each lead.
Could be restriced fuel injector - try Redline complete fuel system
cleaner in gas tank:
http://www.redlineoil.com/products_fueladditives.asp
Could be weak, lazy, contaminated or failed oxygen sensor: test with
volt meter at DLC O2 terminal (data link connector) - factory service
manual lists minimum number of times needle crosses threshold in a set
period of time. Electronic controls that bypass an inoperative oxygen
sensor will give very low fuel mileage.
That should get you started.
Report back.

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Old 06 Dec 2004, 07:23 am   #3 (permalink)
Wolfgang
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Default Re: Camry Mileage

Difficult to answer without additonal info like: 4 or V6 - assume automatic
trans. # miles on engine. Last change of plugs, spark plug wires, dist cap,
air filter, location (hi altitude or extremely cold). Could be simple tune
up to needing new thermostat to a coughed catalytic converter --- or just
excessive wear and miles.

"swami" <kingsangle@yahoo.com> wrote in message
news:a43365c3107bbc112868e117b1450c17@localhost.ta lkaboutautos.com...
> Hi,
>
> I am running on 1993 Camry & apparantly it's giving very less mileage.
> Only 20 miles per gallon on highways & less in city driving.
>
> What can be the reasons for that & remedies.
>
>
>



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Old 06 Dec 2004, 09:27 am   #4 (permalink)
Mitch
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Default Re: Camry Mileage

If the poor mileage started with the onset of cold weather then check
the thermostat first. If the car takes a long time to warm up then its
an easy fix.

Mitch

swami wrote:

> Hi,
>
> I am running on 1993 Camry & apparantly it's giving very less mileage.
> Only 20 miles per gallon on highways & less in city driving.
>
> What can be the reasons for that & remedies.
>
>
>

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Old 06 Dec 2004, 10:09 am   #5 (permalink)
m Ransley
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Default Re: Camry Mileage

As others said it is alot of things changing all oils to synthetic helps
me alot, get a tune up and if your timing belt is old they stretch
retarding timing, you loose power and milage. I got 4 mpg better on
timing alone, 4 mpg on synthetic oil, 4 on a tune up. Maintain your
car.

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Old 06 Dec 2004, 10:29 am   #6 (permalink)
Wolfgang
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Default Re: Camry Mileage

4 mpg on each? --- you can start selling gas by all you are having to drain
off. 4 mpg total is probably more realistic. Bet a good wax job and Rain-X
on windshield would give ya another 4 mpg. I don't believ synthetic oil
does much of anything for a noticeable mileage boost -- not when cost is
4-5x dino oil cost --- use proper 5w30 in winter and your best ya can do.

"m Ransley" <ransley@webtv.net> wrote in message
news:23587-41B48422-212@storefull-3136.bay.webtv.net...
> As others said it is alot of things changing all oils to synthetic helps
> me alot, get a tune up and if your timing belt is old they stretch
> retarding timing, you loose power and milage. I got 4 mpg better on
> timing alone, 4 mpg on synthetic oil, 4 on a tune up. Maintain your
> car.
>



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Old 06 Dec 2004, 11:42 am   #7 (permalink)
m Ransley
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Default Re: Camry Mileage

I got 20 mpg last spring did eveything at once and on one highway ride
was at 36 but got 32 for most of the summer in rural settings, not
trips. Stretched belt retarded my timing 4 degrees it made a big
difference, oils were changed to mobil synthetics in transmission,
differential ,engine and power steering. Plus I went from 29 in my tires
to 38. Camrys are touchy and I find little things make a big difference


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Old 06 Dec 2004, 02:08 pm   #8 (permalink)
ROBMURR
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Default Re: Camry Mileage

>Plus I went from 29 in my tires
>to 38. Camrys are touchy and I find little things make a big difference
>


Thats way overinflated. you will get better
mileage probably but at the expense of
having to buy new tires. Bet the ride is
pretty harsh too.
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Old 06 Dec 2004, 03:02 pm   #9 (permalink)
m Ransley
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Default Re: Camry Mileage

Buy new tires, that is wrong. My Michelin max inflation is 45lb, Ride
is alot better, tighter, to me on highway driving the camry is a to soft
ride. But now that winter is here I may lower a bit , everything is
stiffer when it is cold. The max pressure on a tire is the max a tire
should not exceed, 38 gives plenty of heat expansion room. Tire
pressures from Toyota are based upon suspension, not tire design which
is Michelins rating. Underinflation is worse leading to overheating and
failure.

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Old 06 Dec 2004, 03:09 pm   #10 (permalink)
Jason James
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Default Re: Camry Mileage


"ROBMURR" <robmurr@aol.com> wrote in message
news:20041206150837.14275.00001488@mb-m13.aol.com...
> >Plus I went from 29 in my tires
> >to 38. Camrys are touchy and I find little things make a big difference
> >

>
> Thats way overinflated. you will get better
> mileage probably but at the expense of
> having to buy new tires. Bet the ride is
> pretty harsh too.


In addition:
Side-wall flex decreases as inflation increases. While this does provide
some slight savings due reduced rolling-resistance,..it also reduces the
natural castor which occurs when the foot-print lags behind the tires centre
and increases the wheel's tendency to follow (or tramline) ridges on the
roads surface (more obvious in a high-mileage car), also, road-shocks are
transmitted staright to the suspension rather than being buffered by the
tire....but worst of all it works against the radial-tire's design ie to
flex its wall to stop the footprint lifting (hence loss of traction) on
cornering.

Jason


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