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Old 08-29-2013, 06:31 PM
Tongan Built's Avatar
Tongan Built Tongan Built is offline
Dodge Ram Forum Newcomer
Join Date: Aug 2011
Location: Lawndale CA - LA County
Age: 32
Posts: 20
Gender: Male
Vehicle: 2011 Dodge Ram
Trim Level: Big Horn
Color: Stone White
Engine: 2009-20?? 345ci (5.7L) Hemi V8 390hp 407lb/ft
Rep Power: 0
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Default bad mpg after spark plug change

i changed my spark plugs at 42000 should've been at 30000....the stock ones are ngks and they swap it out with champions....i wonder why and wonder if thats the cause. my air filter is brand new as well. anyone have same issue?
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