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P0172 Diagnostic Trouble Code Discussion for January 2016

Fuel System Rich (Bank 1)


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Trouble Ticket Help Requests for DTC P0172
Help Request Posted
2012 Ford Escape Limited 3.0L Excessive Emissions, MIL Lamp on VIN: 1FMCU9EG3C
P0172: System to rich bank1. The freeze data information showed freeze data stored for po175 as follows. Fuel system bank one:closed loop,fuel system status bank two:not reported, calculated load 74%,coolant temp:205f,short term fuel trim bank one:-6.24%,long term fuel trim bank one:-22.6...
January 03, 2016
2003 Pontiac Bonneville SLE 3.8L MIL Lamp on VIN: 1G2HY54KX3
P0172: Fuel Trim System Rich. This Pontiac has a fuel trim reading of -13 long term fuel trim. Fuel pressure is normal with no leakdown and no leaking regulator. Fuel injectors flow test equally. Have installed known good O2 sensor and mass airflow sensor from similar vehicle with no chang...
January 11, 2016
2005 Ford Escape XLT 3.0L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, MIL Lamp on VIN: 1FMYU03165
P0172: Fuel System Too Rich (Bank 1). -hello all, when i first got this vehicle i initally road tested and noticed fuel trims dive into negative state after driving for 20 min. -i inspected several things like maf, purge valve with no results. -hooked up fuel pressure gauge and results were normal...
January 13, 2016