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Old 10-03-2009, 03:27 AM
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Default Scan Tool

What Scan Tool will allow me to set the 4.7 for better MPG?
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Old 10-03-2009, 11:56 AM
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Default Re: Scan Tool

If you spend a lot of time with the throttle all the way down () how about a URD MAF recalibrator to lean down the air/fuel ratio at heavy throttle.
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Old 10-03-2009, 02:07 PM
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Default Re: Scan Tool

Quote:
Originally Posted by Mr. Creosote View Post
If you spend a lot of time with the throttle all the way down () how about a URD MAF recalibrator to lean down the air/fuel ratio at heavy throttle.
Mash the gas pedal? Moi?

Rarely, does the pedal meet the floor.

Most of my driving, at any speed, is gently getting to and staying at 2,000 RPM. And I use cruise from 25 MPH, even making minor adjustments of speed with the cruise control.

Leaning the mixture at crusing speed is what I want to do.
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I use and talk about, but don't sell Amsoil.

2006 Tundra replaced a
98 Dakota 3.9 automatic, long bed.
Retired with broken A/C, July 2008.
623,000 miles.
On original engine and transmission.

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Old 10-03-2009, 03:49 PM
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Default Re: Scan Tool

None do. Only possibility is the unichip and have it tuned on a dyno, but so far no one has posted credible air/fuel values on these trucks with their unichip install.
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