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Z

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Discussion Starter #1
Hi,

I just bought a 100,000 Km Toyota Corolla 2002 with automatic transmission. It have dealer certification and extended
warranty for 3 years. I need your help to determine if my current consumption is within normal limits:

7.7 l/100 on highway
10.57/100 in the city

For me these seems with 2 liters more than manufacturer specs. Can Corolla owners share with me their exiting gas
mileage?

I called the service and they told me that this is normal if the engine no check light is on and the default spark plugs
because are Iridium based should last till 200,000Km. I do not have any other issue otherwise with engine/transmission.

Any ideas if this is a problem or is normal? I ask this because I used to drive a '90 Ford Escort with automatic
transmission and it seems that gas consumption was lower than Corolla.

Had anyone encountered and solved a similar high gas consumption issue?

Thank you,

Zorba
 
P

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Discussion Starter #2
"Zorba" <[email protected]> wrote in message
news:[email protected]
> Hi,
>
> I just bought a 100,000 Km Toyota Corolla 2002 with automatic
> transmission. It have dealer certification and extended
> warranty for 3 years. I need your help to determine if my current
> consumption is within normal limits:
>
> 7.7 l/100 on highway
> 10.57/100 in the city
>
> For me these seems with 2 liters more than manufacturer specs. Can Corolla
> owners share with me their exiting gas
> mileage?
>
> I called the service and they told me that this is normal if the engine no
> check light is on and the default spark plugs
> because are Iridium based should last till 200,000Km. I do not have any
> other issue otherwise with engine/transmission.
>
> Any ideas if this is a problem or is normal? I ask this because I used to
> drive a '90 Ford Escort with automatic
> transmission and it seems that gas consumption was lower than Corolla.
>
> Had anyone encountered and solved a similar high gas consumption issue?
>
> Thank you,
>
> Zorba



I hate metrics.

So back at ya with American measures.

7.71 liters per 100 kilometers = 2.03 US gallons per 62 miles
10.57 liters per 100 kilometers = 2.79 US gallons per 62 miles

Converted:
Highway: 30.5 miles per US gallon
City: 22.22 miles per US gallon

Now, consider this is winter in the Western hemisphere with all that implies
(prolonged idling, short trips, colder air, running the A/C to defog the
windshield, and possibly oxygenated fuels), those mileage figures are
average for a late model Corolla.
--

- Philip
 
D
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Discussion Starter #3
It's been a few months, but last time I figured it, I was getting a
fraction over 21 miles per gallon in town driving. I have 2002
Corolla, automatic transmission.
 
Z

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Discussion Starter #4
Thank you all. I was near to start "fixing" my car.

I read some stories that if you isolate thermal the exhaust on Corolla you get more power and lower gas consumption.
There is an article in http://www.corolland.com/performance.html from David Fain. Any opinions?

Cheers Zorba


<[email protected]> wrote in message news:[email protected]
It's been a few months, but last time I figured it, I was getting a
fraction over 21 miles per gallon in town driving. I have 2002
Corolla, automatic transmission.
 
P

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Discussion Starter #5
"Stories" ... yup, that's what you read. "Stories." Maybe you should look
to see what shielding is already on your 1ZZfe engine and ... consider the
fact the exhaust manifold not in the direct breeze from the radiator.


"Zorba" <[email protected]> wrote in message
news:[email protected]
> Thank you all. I was near to start "fixing" my car.
>
> I read some stories that if you isolate thermal the exhaust on Corolla you
> get more power and lower gas consumption.
> There is an article in http://www.corolland.com/performance.html from
> David Fain. Any opinions?
>
> Cheers Zorba
>
>
> <[email protected]> wrote in message
> news:[email protected]
> It's been a few months, but last time I figured it, I was getting a
> fraction over 21 miles per gallon in town driving. I have 2002
> Corolla, automatic transmission.
>
>
 
R

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Joined
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Discussion Starter #6
"Zorba" <[email protected]> wrote in message
news:[email protected]
> Thank you all. I was near to start "fixing" my car.
>
> I read some stories that if you isolate thermal the exhaust on Corolla you
> get more power and lower gas consumption.
> There is an article in http://www.corolland.com/performance.html from
> David Fain. Any opinions?
>
> Cheers Zorba
>

I would not wast my money on the "exhaust wrap." If merely insulating the
exhaust actually resulted in more power, you would see it as original
equipment from all of the automakers as well as on competitive engines like
NASCAR, Indy, Formula, etc.
--

Ray O
(correct punctuation to reply)
 
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