Compression Ignition Addict
Join Date: Jan 2008
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You're custom tune probably has fueling proportional to boost. Many tuners do this to keep it clean. Be happy you aren't that obnoxious jackass "rolling coal" on the highway, making other drivers angry at ALL diesel owners and causing emissions regulations to be increased beyond their current ridiculous level.
Seriously, I see some jackass blowing smoke and think, "what a loser...".
2012 F-150 XLT Ecoboost SuperCrew 6.5' 4x4