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  #1  
Old 01-12-2013, 04:22 PM
Raminizer Raminizer is offline
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Join Date: Aug 2012
Location: Central States
Posts: 74
Gender: Male
Vehicle: 2004 Dodge Ram 5.7 Hemi
Trim Level: Quad Cab SLT
Color: Black
Engine: 2003-2008 345ci (5.7L) Hemi V8 345hp 375lb/ft
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Default Fuel Trims, short/long seems out of whack

My truck decided to slap me in the face once again with a catalyst effeciency code. I have been looking for information on fuel trims of what the ranges should be but all i have read have been mixed with different opinions. I have checked for injector leaks, manifold leaks, etc, etc. Ive also ran my hand down to the exhuast pipes but couldnt feel any leaks. I do know I have a fuel leak at the pump seal or cracked, the Valley fills up with fuel and spills over if I fill up, though Im not getting any evap codes. Maybe someone could fill me in if this is normal or abnormal. To mention I have noticed a significant mpg drop to 8mpg in town. but highway is averaging 19-20. Also to mention the when giving throttle I can hear the TB sucking a heavy amount of Air that almost sounds similar to a loose or broken vacuum hose/tube. if anymore information is needed I will do my best to post accurately as I can.


STFT B1 (%) - [-6.25]
LTFT B1 (%) - [-15.93]
STFT B2 (%) - [3.91]
LTFT B2 (%) - [-14.34]
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  #2  
Old 01-13-2013, 09:28 PM
Raminizer Raminizer is offline
Dodge Ram Forum Member
 
Join Date: Aug 2012
Location: Central States
Posts: 74
Gender: Male
Vehicle: 2004 Dodge Ram 5.7 Hemi
Trim Level: Quad Cab SLT
Color: Black
Engine: 2003-2008 345ci (5.7L) Hemi V8 345hp 375lb/ft
Rep Power: 0
Rep:10
Raminizer is on a distinguished road
Default MPG Still Dropping,

I just filled up today and noticed after calculations I am pushing 7mpg which is not good. today disabled the mechanical fan and have sprayed propane gas around all injectors and around the intake manifold. There was no change in idle. I have no codes on the DTC/MIL codes. By looking at the fuel trims is that normal or am I running rich?
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