P0172 - Running Rich - Long Term Fuel Trims Way Out of Whack | Ford Explorer Forums

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P0172 - Running Rich - Long Term Fuel Trims Way Out of Whack

TechGuru

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Location
Texas
City, State
Texas
Year, Model & Trim Level
2003 XLS 4X4 4.0L FLEX
Anyone have any ideas where to look first based on this data?


Mode $02 - Freeze Frame

Date: 2/19/2025 7:03:35 PM

First Occurrence​


DescriptionValueUnits
Freeze frame DTCP0172
I/M Readiness Data
Fuel system 1 status2
Fuel system 2 status0
Calculated load value25.1%
Engine coolant temperature199.4°F
Short term fuel % trim - Bank 10.78%
Long term fuel % trim - Bank 1-25%
Short term fuel % trim - Bank 20.78%
Long term fuel % trim - Bank 2-21.88%
Engine RPM2029RPM
Vehicle speed30.45MPH
Ignition timing advance for #1 cylinder37.5deg
Intake air temperature50°F
Mass air flow rate1.6lb/min
Absolute throttle position20.78%
O2 voltage (Bank 1, Sensor 1)0.725V
Short term fuel trim (Bank 1, Sensor 1)0%
O2 voltage (Bank 1, Sensor 2)0.79V
Short term fuel trim (Bank 1, Sensor 2)99.219%
O2 voltage (Bank 2, Sensor 1)0.705V
Short term fuel trim (Bank 2, Sensor 1)2.344%
O2 voltage (Bank 2, Sensor 2)0.745V
Short term fuel trim (Bank 2, Sensor 2)99.219%
 






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