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1997 to 2003 F-150
4.2L, 4.6L, and 5.4L equipped F-150s.


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  #1  
Old Mon, October 19th, 2009, 05:41 AM
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The 97-03 firmware only supports raising the Idle speed, not lowering it. Unfortunately, the 97-03 firmware is a bit more complicated because of the communications structure between the programmer unit and the "smart" cable. It makes it difficult to make certain changes in the firmware which is why the 97-03 doesn't have all the fancy stuff that the 04-08 does. It's one of those things that we do want to get updated, but because of the time and complexity involved, I need a week of peace and quiet to effect those changes. Until then, it's all we've got.

Hope that makes sense.
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Old Sat, March 27th, 2010, 08:51 AM
jerseymike47 jerseymike47 is offline
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Question Bill, freeway economy tune ??

Hey Bill,

As for an economy tune for freeway driving, can a program be written that would cut fuel to 2 cylinders to improve fuel mileage on the road. Maybe something that would work in correlation with engine load. Thanks, Mike
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Old Sat, March 27th, 2010, 09:02 AM
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Longshot270 Longshot270 is offline
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Quote:
Originally Posted by jerseymike47 View Post
Hey Bill,

As for an economy tune for freeway driving, can a program be written that would cut fuel to 2 cylinders to improve fuel mileage on the road. Maybe something that would work in correlation with engine load. Thanks, Mike
You mean like how some dodges can cut down to 4 cylinders? I've been wanting to ask that but keep forgetting.

That would be a very usefull tune if it's possible.
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Old Mon, March 29th, 2010, 02:33 PM
cody994x4 cody994x4 is offline
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yea thats quite impressive to me how dodge is doing that.
my buddy recently got an '04 1500ram 4dr. the '04 hemi is rated at 345hp stock!!
he also says it gets better mileage than his previous ram that was a 1500 single cab v6.

im interested in the answer to this one....
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