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SVT Shelby GT500
Gas mileage readout wacky now
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<blockquote data-quote="SCGallo2" data-source="post: 16526952" data-attributes="member: 160791"><p>With a new PCM calibration file, you should confirm that your rear gear and tire revs per mile were programmed correctly in the tune by using GPS to verify that your speedometer is correct.</p><p></p><p>Separate but related to your issue, the fuel range to empty always bothered me, because regardless of the fuel level in the tank, when the computer thinks you have 50 miles remaining, you get a low fuel light and warning. One way to re-baseline the fuel range is to fill up the gas tank completely full and then do a Keep Alive Memory (KAM) reset with your handheld programmer. Cruise around normally for the first ½ tank or so to get your average fuel mileage up, then have fun. This procedure appears to work well for me with my custom tuning.</p></blockquote><p></p>
[QUOTE="SCGallo2, post: 16526952, member: 160791"] With a new PCM calibration file, you should confirm that your rear gear and tire revs per mile were programmed correctly in the tune by using GPS to verify that your speedometer is correct. Separate but related to your issue, the fuel range to empty always bothered me, because regardless of the fuel level in the tank, when the computer thinks you have 50 miles remaining, you get a low fuel light and warning. One way to re-baseline the fuel range is to fill up the gas tank completely full and then do a Keep Alive Memory (KAM) reset with your handheld programmer. Cruise around normally for the first ½ tank or so to get your average fuel mileage up, then have fun. This procedure appears to work well for me with my custom tuning. [/QUOTE]
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SVT Shelby GT500
Gas mileage readout wacky now
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