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External
Since: Apr 29, 2005
Posts: 432
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(Msg. 1) Posted: Sat Apr 26, 2008 12:31 am
Post subject: Fuel economy on 01 Cummins
Archived from groups: alt>autos>dodge>trucks (more info?)
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I have a friend who owns an 01 3500 w/ Cummins that is asking how he can get
better fuel mileage. He currently gets about 13mpg. The truck is an AT w/
4.10 gearing. Since my 00 gets 19.5mpg or so, I'm not much help in solving
the MPG problem, since I don't have it.
Anyone have any tips?
--
Max
"Everyone is entitled to his own opinion, he is not entitled to his own
facts." Sen. Daniel Patrick Moynihan of New York |
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External
Since: Jan 18, 2004
Posts: 333
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(Msg. 2) Posted: Sat Apr 26, 2008 12:31 am
Post subject: Re: Fuel economy on 01 Cummins [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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Max Dodge wrote:
> I have a friend who owns an 01 3500 w/ Cummins that is asking how he
> can get better fuel mileage. He currently gets about 13mpg. The truck
> is an AT w/ 4.10 gearing. Since my 00 gets 19.5mpg or so, I'm not much
> help in
> solving the MPG problem, since I don't have it.
>
> Anyone have any tips?
A bad IAT sensor can kill the fuel mileage without any other symptoms.
--
Ken |
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External
Since: Apr 22, 2007
Posts: 277
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(Msg. 3) Posted: Sat Apr 26, 2008 9:43 am
Post subject: Re: Fuel economy on 01 Cummins [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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"Max Dodge" wrote in message
>I have a friend who owns an 01 3500 w/ Cummins that is asking how he can
>get better fuel mileage. He currently gets about 13mpg. The truck is an AT
>w/ 4.10 gearing. Since my 00 gets 19.5mpg or so, I'm not much help in
>solving the MPG problem, since I don't have it.
>
> Anyone have any tips?
>
How many miles? Is it a dually? 4X4? If so, around town it probably is what
it is.
Roy
> Max
>
> "Everyone is entitled to his own opinion, he is not entitled to his own
> facts." Sen. Daniel Patrick Moynihan of New York
>
>
>
> >> Stay informed about: Fuel economy on 01 Cummins |
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External
Since: Apr 29, 2005
Posts: 432
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(Msg. 4) Posted: Sat Apr 26, 2008 1:31 pm
Post subject: Re: Fuel economy on 01 Cummins [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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That should have a code set IIRC, but will the dash read out have it?
Also, I'm assuming from what you say, the truck will run fine otherwise?
--
Max
"Everyone is entitled to his own opinion, he is not entitled to his own
facts." Sen. Daniel Patrick Moynihan of New York
"Nosey" wrote in message
> Max Dodge wrote:
>> I have a friend who owns an 01 3500 w/ Cummins that is asking how he
>> can get better fuel mileage. He currently gets about 13mpg. The truck
>> is an AT w/ 4.10 gearing. Since my 00 gets 19.5mpg or so, I'm not much
>> help in
>> solving the MPG problem, since I don't have it.
>>
>> Anyone have any tips?
>
> A bad IAT sensor can kill the fuel mileage without any other symptoms.
> --
> Ken
> >> Stay informed about: Fuel economy on 01 Cummins |
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External
Since: Apr 17, 2008
Posts: 3
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(Msg. 5) Posted: Sat Apr 26, 2008 2:30 pm
Post subject: Re: Fuel economy on 01 Cummins [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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"Max Dodge" wrote in message
> That should have a code set IIRC, but will the dash read out have it?
>
> Also, I'm assuming from what you say, the truck will run fine otherwise?
>
> --
> Max
>
> "Everyone is entitled to his own opinion, he is not entitled to his own
> facts." Sen. Daniel Patrick Moynihan of New York
>
>
>
> "Nosey" wrote in message
>
>> Max Dodge wrote:
>>> I have a friend who owns an 01 3500 w/ Cummins that is asking how he
>>> can get better fuel mileage. He currently gets about 13mpg. The truck
>>> is an AT w/ 4.10 gearing. Since my 00 gets 19.5mpg or so, I'm not much
>>> help in
That 4.10 does not help. He has to turn higher RPMS to go the same speed as
everyone else.
On my 2000 2500 with 3.73 rear end I got 21 highway.
With the stock 3.53 was nearly 25MPG
>>> solving the MPG problem, since I don't have it.
>>>
>>> Anyone have any tips?
>>
>> A bad IAT sensor can kill the fuel mileage without any other symptoms.
>> --
>> Ken
>>
>
> >> Stay informed about: Fuel economy on 01 Cummins |
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External
Since: Apr 29, 2005
Posts: 432
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(Msg. 6) Posted: Sat Apr 26, 2008 4:17 pm
Post subject: Re: Fuel economy on 01 Cummins [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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Its a dually, thats all they had in 01 3500's IIRC. Its 4x4, but then so is
mine, and I'm pulling 19.8 avg on trips, where he's doing a best of 13 on
trips.
--
Max
"Everyone is entitled to his own opinion, he is not entitled to his own
facts." Sen. Daniel Patrick Moynihan of New York
"Roy" wrote in message
>
> "Max Dodge" wrote in message
>
>>I have a friend who owns an 01 3500 w/ Cummins that is asking how he can
>>get better fuel mileage. He currently gets about 13mpg. The truck is an AT
>>w/ 4.10 gearing. Since my 00 gets 19.5mpg or so, I'm not much help in
>>solving the MPG problem, since I don't have it.
>>
>> Anyone have any tips?
>>
>
> How many miles? Is it a dually? 4X4? If so, around town it probably is
> what it is.
>
> Roy
>> Max
>>
>> "Everyone is entitled to his own opinion, he is not entitled to his own
>> facts." Sen. Daniel Patrick Moynihan of New York
>>
>>
>>
>>
>
> >> Stay informed about: Fuel economy on 01 Cummins |
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External
Since: Jan 18, 2004
Posts: 333
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(Msg. 7) Posted: Sun Apr 27, 2008 11:00 pm
Post subject: Re: Fuel economy on 01 Cummins [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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External
Since: Apr 29, 2005
Posts: 432
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(Msg. 8) Posted: Mon Apr 28, 2008 3:41 am
Post subject: Re: Fuel economy on 01 Cummins [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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Good info, I'll pass it along. If the 1.9 mpg improvement that Marco got
(link on Fritz's site) is seen by my friend, he'll definitely be happy.
--
Max
"Everyone is entitled to his own opinion, he is not entitled to his own
facts." Sen. Daniel Patrick Moynihan of New York
"Nosey" wrote in message
> Max Dodge wrote:
>> That should have a code set IIRC, but will the dash read out have it?
>>
>> Also, I'm assuming from what you say, the truck will run fine
>> otherwise?
>
> It sometimes doesn't set a code. It can run fine otherwise.
> See: http://www.dodgeram.org/tech/dsl/sensors/IAT/clean.htm
> --
> Ken
> >> Stay informed about: Fuel economy on 01 Cummins |
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