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Old 08-08-2017, 07:26 PM
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ala_xfire
ala_xfire is offline
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Join Date: Dec 2010
Location: Lineville, AL
Age: 79
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Default Re: Terrible Gas Mileage

Highly doubtful, unless perhaps you have a clogged up catalytic converter.
Is yours a SRT6 or a normally aspirated ( NA ) model ?
Have you replace the air cleaners ?
Have you cleaned the MAF/IAT sensor ?
Does the external temperature display correctly ?
For some reason, your AFR ( Air/Fuel Ratio ) is at least half of what it should be.
Normally somewhere around 12:1 ( 12 parts air, 1 part fuel )
 

Last edited by ala_xfire; 08-08-2017 at 07:30 PM.