Wife sent me picture of dash reading with 19
. That being said she told me later that the millage started coming down from there. Not sure how much yet. Will check it out next weekend. Have not installed Granetelli spark plug wires yet.
2013 6.2 L was getting 13.6 MPG . Just cleaned cotton air filter . Cleaned mass air sensor. Lucas injector cleaner. Ordered Granatallis plug wires and 0 ohm resistors. Have not driven to check yet.
This is my wife's truck she sees no problem with 8 MPG. I drive a 4.0 liter TJ.
2013 6.2 L was getting 13.6 MPG . Just cleaned cotton air filter . Cleaned mass air sensor. Lucas injector cleaner. Ordered Granatallis plug wires and 0 ohm resistors. Have not driven to check yet.
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